WO2024051288A1 - 双向光组件以及光模块 - Google Patents

双向光组件以及光模块 Download PDF

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Publication number
WO2024051288A1
WO2024051288A1 PCT/CN2023/102666 CN2023102666W WO2024051288A1 WO 2024051288 A1 WO2024051288 A1 WO 2024051288A1 CN 2023102666 W CN2023102666 W CN 2023102666W WO 2024051288 A1 WO2024051288 A1 WO 2024051288A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical signal
optical
inclined surface
diaphragm
reflective structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2023/102666
Other languages
English (en)
French (fr)
Inventor
李书
李远谋
林华枫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to EP23861989.4A priority Critical patent/EP4585983A4/en
Publication of WO2024051288A1 publication Critical patent/WO2024051288A1/zh
Priority to MX2025002766A priority patent/MX2025002766A/es
Priority to US19/073,703 priority patent/US20250237815A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4214—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/262—Optical details of coupling light into, or out of, or between fibre ends, e.g. special fibre end shapes or associated optical elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
    • G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
    • G02B6/2938—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4215—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being wavelength selective optical elements, e.g. variable wavelength optical modules or wavelength lockers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/4236—Fixing or mounting methods of the aligned elements
    • G02B6/4244—Mounting of the optical elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4246—Bidirectionally operating package structures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
    • G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
    • G02B6/29362—Serial cascade of filters or filtering operations, e.g. for a large number of channels
    • G02B6/29365—Serial cascade of filters or filtering operations, e.g. for a large number of channels in a multireflection configuration, i.e. beam following a zigzag path between filters or filtering operations
    • G02B6/29367—Zigzag path within a transparent optical block, e.g. filter deposited on an etalon, glass plate, wedge acting as a stable spacer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends

Definitions

  • the present application relates to the field of optical communication technology, and in particular, to a bidirectional optical component and an optical module.
  • the optical fiber communication system is the current mainstream communication system.
  • the access network (AN) access method is optical fiber access (FTTx).
  • the common optical fiber passive optical fiber that can realize optical fiber access is Network (passive optical network, PON), where PON includes optical line terminal (optical line terminal, OLT) set at the central control station and optical network unit (optical network unit, ONU) or optical network terminal (ONU) set on the user side optical network terminal, ONT), etc.
  • PON passive optical network
  • OLT optical line terminal
  • ONT optical network unit
  • ONU optical network terminal
  • ONT optical network terminal
  • both ONU (or ONT) and OLT include bidirectional optical sub-assembly (BOSA).
  • the bidirectional optical component in ONU (or ONT) is used to receive the optical signal transmitted from the OLT to the user side, and is also used to Send the optical signal generated by the ONU (or ONT) to the OLT.
  • the bidirectional optical component in the OLT is used to receive the optical signal transmitted by the ONU (or ONT) to the central control station, and is also used to send the optical signal generated by the central control station to the ONU ( or ONT).
  • different ONUs can send optical signals of different wavelengths to the OLT, so the bidirectional optical components in the OLT need to receive optical signals of multiple different wavelengths.
  • the structure is often complex and the reception accuracy is limited.
  • This application provides a bidirectional optical component and an optical module.
  • the bidirectional optical component can receive multiple optical signals of different wavelengths, has a relatively simple structure, and has high reception accuracy.
  • a bidirectional optical component including: a housing having a cavity; the housing is provided with a first opening, a second opening, a third opening and a fourth opening communicating with the cavity, wherein the first opening An optical fiber is internally coupled, a first light-receiving component is coupled in the second opening, a second light-receiving component is coupled in the third opening, and a light-transmitting component is coupled in the fourth opening; a first diaphragm, a second light-receiving component are coupled in the cavity.
  • the glass crystal includes a first inclined surface and a second inclined surface arranged relatively parallel; an optical fiber for transmitting a first optical signal from the first opening to the first diaphragm in the cavity; the first diaphragm , used to reflect the first optical signal to the first inclined surface of the glass crystal; the glass crystal, used to transmit the first optical signal received by the first inclined surface to the second inclined surface; the second diaphragm, used to transmit the first optical signal to the second inclined surface; Among the first optical signals received by the two inclined surfaces, the second optical signal in the first wavelength range is transmitted to the first light receiving component of the second opening; the second diaphragm is also used to receive the first optical signal received by the second inclined surface.
  • the third optical signal in the second wavelength range is reflected to the first inclined surface; the second optical receiving component is used to receive the third optical signal output from the first inclined surface; the optical sending component is used to transmit from the fourth optical signal.
  • the opening transmits the fourth optical signal to the first diaphragm in the cavity; the first diaphragm is also used to transmit the fourth optical signal to the optical fiber in the first opening.
  • the first diaphragm reflects the received first optical signal to the first inclined surface of the glass crystal; the glass crystal uses for transmitting the first optical signal received by the first inclined surface to the second inclined surface; the second diaphragm is used for transmitting the second optical signal in the first wavelength range among the first optical signal received by the second inclined surface.
  • the first light receiving component to the second opening and the second diaphragm are also used to reflect the third optical signal in the second wavelength range among the first optical signals received by the second inclined surface to the first inclined surface.
  • Two light receiving components are used to receive the third optical signal output by the first inclined surface.
  • the bidirectional optical component can transmit the second optical signal in the first wavelength range of the first optical signal to the first light receiving component,
  • the third optical signal in the second wavelength range of the first optical signal is transmitted to the second optical receiving component to realize the function of receiving two optical signals in different wavelength ranges, and the bidirectional optical component passes through two diaphragms and a glass
  • the crystal can realize the function of receiving two optical signals in different wavelength ranges, and the structure is similar.
  • the bidirectional optical component can also realize the function of outputting the optical signal.
  • the second diaphragm due to the second diaphragm, among the first optical signals received by the second inclined surface, the third optical signal in the second wavelength range is reflected to the first inclined surface. It can be seen that the second diaphragm is mounted on the glass crystal. On the second inclined surface, where the inclination angle of the inclined surface of the glass crystal meets the above-mentioned optical signal transmission requirements, and the accuracy of the inclination angle of the inclined surface of the glass crystal can be controlled to a high level during production, then the second inclined surface will be When the diaphragm is mounted on the glass crystal, the mounting angle error is ⁇ 0.2°, and there is no need to set up a slope to support the second diaphragm in the cavity. The production of the bidirectional optical component will also be simpler.
  • the bidirectional optical component can separate two optical signals with a small wavelength difference. Respectively transmitting them to specific light receiving components also further improves the reception accuracy of optical signals received by bidirectional optical components.
  • a first reflective structure and a second reflective structure are also provided in the cavity; a second diaphragm, specifically used to transmit the second optical signal to the first reflective structure; the first reflective structure is used to transmit the second light signal to the first reflective structure; The signal is reflected to the first light receiving component of the second opening; the second reflective structure is used to reflect the third optical signal received by the first inclined surface to the second light receiving component of the third opening; the second light receiving component, specifically Used to receive the third optical signal reflected by the second reflective structure.
  • the first reflective structure and the second reflective structure when the first reflective structure and the second reflective structure are disposed in the cavity, the first reflective structure reflects the second optical signal to the first light receiving component of the second opening, and the second reflective structure reflects the second optical signal to the first light receiving component of the second opening.
  • the three optical signals are reflected to the second light receiving component of the third opening. Then, the setting positions of the first light receiving component and the second light receiving component in the bidirectional light component can be changed, so that the bidirectional light component can be adjusted according to different needs. Different locations of light receiving components.
  • a fifth opening is also provided on the housing, wherein a third light receiving component is coupled within the fifth opening; a third diaphragm is also provided in the cavity; the third diaphragm is used to receive the first inclined surface In the third optical signal, the fifth optical signal in the third wavelength range is transmitted to the second optical receiving component of the third opening; the second optical receiving component is specifically used to receive the fifth optical signal; the third diaphragm is also The third light receiving component is used to reflect the sixth optical signal in the fourth wavelength range from the third optical signal received by the first inclined surface to the second inclined surface; the third light receiving component is used to receive the sixth light output by the second inclined surface. Signal.
  • the third diaphragm absorbs the third optical signal received by the first inclined surface.
  • the fifth optical signal in the third wavelength range is transmitted to the second light receiving component of the third opening, and the third diaphragm receives the third optical signal in the fourth wavelength range from the first inclined surface.
  • the six optical signals are reflected to the second inclined surface, and then the optical signals of different wavelength ranges in the third optical signal are transmitted to different light receiving components, so that the bidirectional optical component can receive three optical signals of different wavelengths.
  • a first reflective structure, a second reflective structure and a third reflective structure are also provided in the cavity; a second diaphragm is specifically used to transmit the second optical signal to the first reflective structure; the first reflective structure is used The first light receiving component that reflects the second optical signal to the second opening; the third diaphragm, specifically used to transmit the fifth optical signal to the second reflective structure; the second reflective structure is used to transmit the fifth optical signal The second light receiving component reflected to the third opening; the third reflective structure, used to reflect the sixth optical signal received by the second inclined surface to the third light receiving component of the fifth opening; the third light receiving component, specifically used for receiving the sixth optical signal reflected by the third reflective structure.
  • the first reflective structure when the first reflective structure, the second reflective structure and the third reflective structure are provided in the cavity, the first reflective structure reflects the second optical signal to the first light receiving component of the second opening, and the first reflective structure reflects the second optical signal to the first light receiving component of the second opening.
  • the second reflective structure reflects the fifth optical signal to the second light receiving component of the third opening, and the third reflective structure reflects the sixth optical signal to the third light receiving component of the fifth opening. Therefore, the first light receiving component in the bidirectional optical component
  • the arrangement positions of the light receiving component, the second light receiving component and the third light receiving component can be changed, so that the bidirectional light component can adjust the positions of different light receiving components according to different needs.
  • a fourth diaphragm and a reflective sheet are also provided in the cavity; the fourth diaphragm is used to reflect the seventh optical signal in the fifth wavelength range among the third optical signals received by the first inclined surface to the third optical signal.
  • two inclined surfaces a fourth diaphragm, which is also used to transmit the eighth optical signal in the sixth wavelength range among the third optical signals received by the first inclined surface; and a reflective sheet, which is used to transmit the third optical signal received by the second inclined surface.
  • the seventh optical signal is reflected to the first inclined surface; the second light receiving component is used to receive the seventh optical signal output by the first inclined surface.
  • the third optical signal reflected by the second diaphragm includes both the seventh optical signal that the second light receiving component needs to receive in the fifth wavelength range, and the third optical signal reflected by the second diaphragm.
  • the fourth diaphragm When the eighth optical signal in the sixth wavelength range is included, the fourth diaphragm reflects the seventh optical signal in the fifth wavelength range of the third optical signal received by the first inclined surface to the second inclined surface; the fourth diaphragm Transmit the eighth optical signal in the sixth wavelength range among the third optical signals received by the first inclined surface; the reflective sheet reflects the seventh optical signal received by the second inclined surface to the first inclined surface; the second light receiving component , used to receive the seventh optical signal output by the first inclined surface, thereby preventing the second optical receiving component from receiving the eighth optical signal within the sixth wavelength range, and increasing the wavelength of the optical signal received by the second optical receiving component. Purity.
  • a fourth diaphragm and a reflective sheet are also provided in the cavity; the reflective sheet is used to reflect the third optical signal received by the first inclined surface to the second inclined surface; and the fourth diaphragm is used to reflect the second optical signal to the second inclined surface.
  • the seventh optical signal in the fifth wavelength range is reflected to the first inclined surface; the fourth diaphragm is also used to reflect the sixth optical signal received by the second inclined surface.
  • the third optical signal reflected by the second diaphragm includes both the seventh optical signal that the second light receiving component needs to receive in the fifth wavelength range, and the third optical signal reflected by the second diaphragm.
  • the eighth optical signal includes the sixth wavelength range
  • the reflective sheet reflects the third optical signal received by the first inclined surface to the second inclined surface
  • the fourth diaphragm reflects the third optical signal received by the second inclined surface.
  • the seventh optical signal in the five wavelength range is reflected to the first inclined surface; the fourth diaphragm transmits the eighth optical signal in the sixth wavelength range among the third optical signal received by the second inclined surface; the second light receiving component , used to receive the seventh optical signal output by the first inclined surface, thereby preventing the second optical receiving component from receiving the eighth optical signal within the sixth wavelength range, and increasing the wavelength of the optical signal received by the second optical receiving component. Purity.
  • a first reflective structure and a second reflective structure are also provided in the cavity; a second diaphragm, specifically used to transmit the second optical signal to the first reflective structure; the first reflective structure is used to transmit the second light signal to the first reflective structure; The signal is reflected to the first light receiving component of the second opening; the second reflective structure is used to reflect the seventh optical signal received by the first inclined surface to the second light receiving component of the third opening; the second light receiving component, specifically Used to receive the seventh optical signal reflected by the second reflective structure.
  • a fourth reflective structure is also provided in the cavity; a fourth reflective structure is used to reflect the third optical signal received by the first inclined surface to the second inclined surface; a second light receiving component is specifically used to receive the third optical signal. The third optical signal is output from the two inclined surfaces.
  • a first reflective structure and a second reflective structure are also provided in the cavity; a second diaphragm, specifically used to transmit the second optical signal to the first reflective structure; the first reflective structure is used to transmit the second light signal to the first reflective structure; The signal is reflected to the first light receiving component of the second opening; the second reflective structure is used to reflect the third optical signal received by the second inclined surface to the second light receiving component of the third opening; the second light receiving component, specifically Used to receive the third optical signal reflected by the second reflective structure.
  • a fifth opening is also provided on the housing, wherein a third light receiving component is coupled within the fifth opening; a third diaphragm is also provided in the cavity; the third diaphragm is used to receive the second inclined surface In the third optical signal, the fifth optical signal in the third wavelength range is transmitted to the third optical receiving component of the fifth opening; the third diaphragm is also used to receive the third optical signal in the second inclined surface, The sixth optical signal in the fourth wavelength range is reflected to the first inclined surface; the fourth reflective structure is also used to reflect the sixth optical signal received by the first inclined surface to the second inclined surface; the second light receiving component, specifically Used to receive the sixth optical signal output by the second inclined surface.
  • a first reflective structure, a second reflective structure and a third reflective structure are also provided in the cavity; a second diaphragm is specifically used to transmit the second optical signal to the first reflective structure; the first reflective structure is used The first light receiving component that reflects the second optical signal to the second opening; the third diaphragm, specifically used to transmit the fifth optical signal to the third reflective structure; the third reflective structure is used to transmit the fifth optical signal The third light receiving component reflected to the fifth opening; the second reflective structure, used to reflect the sixth optical signal received by the second inclined surface to the second light receiving component of the third opening; the second light receiving component, specifically used to receive the sixth optical signal reflected by the second reflective structure.
  • the optical fiber is specifically used to transmit the first optical signal from the first opening to the second inclined surface of the glass crystal in the cavity; the glass crystal is used to transmit the first optical signal received by the second inclined surface through the first The inclined surface transmits to the first diaphragm; the first diaphragm is specifically used to transmit the fourth optical signal to the first inclined surface of the glass crystal; the glass crystal is also used to pass the fourth optical signal received by the first inclined surface.
  • the second inclined surface is transmitted to the optical fiber in the first opening.
  • a fifth reflective structure is also provided in the cavity; a first diaphragm, specifically used to reflect the first optical signal to the fifth reflective structure; and a fifth reflective structure, used to reflect the first optical signal to the glass crystal. the first inclined plane.
  • a bidirectional optical component including: a housing having a cavity; the housing is provided with a first opening, a second opening, a third opening and a fourth opening communicating with the cavity, wherein the first opening An optical fiber is internally coupled, a first light-receiving component is coupled in the second opening, a second light-receiving component is coupled in the third opening, and a light-transmitting component is coupled in the fourth opening; a first diaphragm, a second light-receiving component are coupled in the cavity.
  • the diaphragm and the glass crystal, the glass crystal includes a first inclined surface and a second inclined surface arranged relatively parallel; an optical fiber, used to transmit a first optical signal from the first opening to the second inclined surface of the glass crystal in the cavity; glass The crystal is used to transmit the first optical signal received by the second inclined surface to the first inclined surface; the first diaphragm is used to transmit the second optical signal in the first wavelength range from the first optical signal received by the first inclined surface.
  • the optical signal is transmitted to the first light receiving component of the second opening; the first diaphragm is also used to reflect the third optical signal in the second wavelength range from the first optical signal received by the first inclined surface to the second inclined surface.
  • the second diaphragm is used to transmit the third optical signal received by the second inclined surface to the second light receiving component of the third opening; the light sending component is used to transmit the third optical signal received by the second inclined surface to the glass crystal in the cavity from the fourth opening.
  • the first inclined surface transmits the fourth optical signal; the glass crystal is also used to transmit the fourth optical signal received by the first inclined surface to the second inclined surface; the second diaphragm is also used to transmit the fourth optical signal received by the second inclined surface.
  • the four optical signals are reflected to the first inclined surface; the first diaphragm is also used to reflect the fourth optical signal received by the first inclined surface to the second inclined surface; the optical fiber is also used to reflect the fourth optical signal received by the second inclined surface.
  • Optical signal output is used to transmit the fourth optical signal received by the second inclined surface.
  • the glass crystal is used to transmit the first optical signal received by the second inclined surface to the first inclined surface;
  • a diaphragm used to transmit the second optical signal in the first wavelength range among the first optical signals received by the first inclined surface to the first light receiving component of the second opening;
  • the first diaphragm also used to transmit First Among the first optical signals received by the inclined surface, the third optical signal in the second wavelength range is reflected to the second inclined surface;
  • the second diaphragm is used to transmit the third optical signal received by the second inclined surface to the third opening.
  • the second optical receiving component therefore, the bidirectional optical component can transmit the second optical signal in the first wavelength range of the first optical signal to the first optical receiving component, and transmit the second optical signal in the first optical signal within the second wavelength range.
  • the third optical signal is transmitted to the second optical receiving component to realize the function of receiving two optical signals in different wavelength ranges, and the bidirectional optical component can receive two optical signals in different wavelength ranges through two diaphragms and a glass crystal.
  • the function and structure of the signal are relatively simple.
  • the glass crystal is also used to transmit the fourth optical signal received by the first inclined surface to the second inclined surface; the second diaphragm is also used to reflect the fourth optical signal received by the second inclined surface to the first inclined surface.
  • the bidirectional Optical components can also realize the function of outputting optical signals.
  • the first diaphragm reflects the third optical signal in the second wavelength range among the first optical signals received by the first inclined surface to the second inclined surface, it can be seen that the first diaphragm is mounted on the glass crystal.
  • the second diaphragm is also used to reflect the fourth optical signal received by the second inclined surface to the first inclined surface. It can be seen that the second diaphragm is attached to the second inclined surface of the glass crystal.
  • the first diaphragm and the second diaphragm are When the diaphragm is mounted on the glass crystal, the mounting angle error is ⁇ 0.2°, and there is no need to set up an inclined surface to support the first diaphragm and an inclined surface to support the second diaphragm in the cavity.
  • the bidirectional optical component It will also be easier to make.
  • the bidirectional optical component can Transmitting two optical signals with a small wavelength difference to specific optical receiving components respectively further improves the reception accuracy of the optical signals received by the bidirectional optical component.
  • the cavity is further provided with a first reflective structure; a second diaphragm, specifically used to transmit the third optical signal to the first reflective structure; the first reflective structure is used to reflect the third optical signal to the third The opening of the second light receiving component.
  • a first reflective structure is provided in the cavity, and the first reflective structure reflects the third optical signal to the second light receiving component of the third opening. Then, the second light receiving component in the bidirectional optical component The setting position will be changeable, so that the bidirectional optical component can adjust the position of the second receiving light component according to different needs.
  • a second reflective structure is also provided in the cavity; a first diaphragm, specifically used to transmit the second optical signal to the second reflective structure; a second reflective structure, used to reflect the second optical signal to the second The opening of the first light receiving component.
  • the second reflective structure when the second reflective structure is disposed in the cavity, the second reflective structure reflects the second optical signal to the first light receiving component of the second opening. Then, the first light receiving component in the bidirectional optical component The installation position of the component can be changed, so that the bidirectional optical component can adjust the position of the first receiving light component according to different needs.
  • a fifth opening is also provided on the housing, wherein a third light receiving component is coupled within the fifth opening; a third diaphragm is also provided in the cavity; the second diaphragm is specifically used to convert the second inclined surface Among the received third optical signals, the fifth optical signal in the third wavelength range is transmitted to the second light receiving component of the third opening; the second diaphragm is also used to receive the third optical signal received by the second inclined surface, The sixth optical signal in the fourth wavelength range is reflected to the first inclined surface; the third diaphragm is used to transmit the sixth optical signal to the third light receiving component of the fifth opening.
  • the third diaphragm by adding a third diaphragm to the bidirectional optical component, and adjusting the second diaphragm to transmit the fifth optical signal in the third wavelength range of the third optical signal to the second light receiving component, the third diaphragm is The sixth optical signal in the fourth wavelength range among the three optical signals is reflected to the first inclined surface, and the third diaphragm transmits the sixth optical signal received by the first inclined surface to the third optical receiving component, thereby converting the third optical signal into Optical signals in different wavelength ranges are transmitted to different optical receiving components, so that the bidirectional optical component can receive optical signals of three different wavelengths.
  • the cavity is further provided with a first reflective structure; a second diaphragm, specifically used to transmit the fifth optical signal to the first reflective structure; the first reflective structure is used to reflect the fifth optical signal to the third The opening of the second light receiving component.
  • a second reflective structure and a third reflective structure are also provided in the cavity; the first diaphragm is specifically used to transmit the second optical signal to the second reflective structure; the second reflective structure is used to transmit the second light signal to the second reflective structure.
  • the first light receiving component that reflects the signal to the second opening; the third diaphragm, specifically used to transmit the sixth optical signal to the third reflective structure; the third reflective structure, used to reflect the sixth optical signal to the fifth opening The third light receiving component.
  • an optical module in a third aspect, includes the bidirectional optical component as described in any one of the first aspect or the second aspect and a printed circuit board.
  • the bidirectional optical component is electrically connected to the printed circuit board.
  • Figure 1 is a schematic structural diagram of an optical fiber passive optical network provided by an embodiment of the present application.
  • Figure 2 is a schematic structural diagram of communication between two bidirectional optical components in the optical fiber passive optical network provided by the embodiment of the present application;
  • Figure 3 is an exploded view of a bidirectional optical component provided by an embodiment of the present application.
  • Figure 4 is a schematic structural diagram of an optical fiber passive optical network provided by another embodiment of the present application.
  • Figure 5 is a schematic structural diagram of a bidirectional optical component provided by another embodiment of the present application.
  • Figure 6 is a schematic structural diagram of a bidirectional optical component provided by yet another embodiment of the present application.
  • Figure 7 is a schematic structural diagram of a bidirectional optical component provided by another embodiment of the present application.
  • Figure 8 is a schematic structural diagram of a bidirectional optical component provided by another embodiment of the present application.
  • Figure 9 is a schematic structural diagram of a bidirectional optical component provided by yet another embodiment of the present application.
  • Figure 10 is a schematic structural diagram of a bidirectional optical component provided by another embodiment of the present application.
  • Figure 11 is a schematic structural diagram of a bidirectional optical component provided by yet another embodiment of the present application.
  • Figure 12 is a schematic structural diagram of a bidirectional optical component provided by yet another embodiment of the present application.
  • Figure 13 is a schematic structural diagram of a bidirectional optical component provided by another embodiment of the present application.
  • Figure 14 is a schematic structural diagram of a bidirectional optical component provided by yet another embodiment of the present application.
  • Figure 15 is a schematic structural diagram of a bidirectional optical component provided by yet another embodiment of the present application.
  • Figure 16 is a schematic structural diagram of a bidirectional optical component provided by another embodiment of the present application.
  • Figure 17 is a schematic structural diagram of a bidirectional optical component provided by yet another embodiment of the present application.
  • Figure 18 is a schematic structural diagram of a bidirectional optical component provided by yet another embodiment of the present application.
  • Figure 19 is a schematic structural diagram of a bidirectional optical component provided by another embodiment of the present application.
  • At least one of a, b or c can mean: a, b, c, a and b, a and c, b and c or a, b and c, where a, b and c can be single, also Can be multiple.
  • words such as “first” and “second” do not limit the number and order.
  • the downlink optical signal is the data sent by the central control station to the user-side communication device (such as the user-side optical network unit (ONU), optical network terminal (optical network terminal, ONT), etc.) .
  • the user-side communication device such as the user-side optical network unit (ONU), optical network terminal (optical network terminal, ONT), etc.
  • the uplink optical signal is the data sent by the user-side communication device (such as the user-side optical network unit (ONU), optical network terminal (optical network terminal, ONT), etc.) to the central control station .
  • the user-side communication device such as the user-side optical network unit (ONU), optical network terminal (optical network terminal, ONT), etc.
  • ONT optical network terminal
  • the optical fiber communication system has become the current mainstream communication system.
  • the access network (AN) access method is optical fiber access (FTTx).
  • This access network is also called the optical fiber access network.
  • fiber access network fiber access methods include fiber to the cabinet (FTTCab), fiber to the curb (fiber to the curb; FTTC), fiber to the building (fiber to the building; FTTB) and fiber to the home (fiber to the home; FTTH), etc.
  • a common fiber optic network (passive optical network, PON) 10 that can realize optical fiber access is a passive optical network (PON) 10.
  • the PON 10 includes an optical line terminal (optical line terminal, OLT) 11 set at the central control station, and Optical network terminal (ONT) or optical network unit (ONU) installed on the user side.
  • ONT and ONU are installed at different positions on the user side and implement similar functions. Therefore, in the figure In the PON10 shown in 1, the user side only takes ONU13 as an example for explanation.
  • Figure 1 shows three ONUs, namely ONU13a, ONU13b and ONU13c.
  • the PON10 also includes an optical distribution network (ODN) 12 connecting OLT 11 and ONU 13.
  • ODN 12 includes a two-stage optical splitter.
  • the first-stage optical splitter includes an optical splitter 121.
  • the optical splitter 121 includes an input end, an output end a, an output end b, and an output end c;
  • the optical splitter includes an optical splitter 122, and the optical splitter 122 includes an input end, an output end a, an output end b, and an output end c.
  • the input end of the optical splitter 121 is connected to the OLT 11 through an optical fiber.
  • the output end b of the optical splitter 121 is connected to the input end of the optical splitter 122 through an optical fiber.
  • the output end a of the optical splitter 122 is connected to the ONU 13 a through an optical fiber.
  • the output end b of the optical splitter 122 It is connected to ONU13b through optical fiber, and the output end c of optical splitter 122 is connected to ONU13c through optical fiber.
  • the output end a of the optical splitter 121 can be connected to a second-stage optical splitter, or the output end a of the optical splitter 121 can also be connected to an ONU; the output end c of the optical splitter 121 can be connected to a second-level optical splitter. Level splitter, the output terminal c of the splitter 121 can also be connected to an ONU.
  • the optical splitter 121 and the optical splitter 122 may also include more or less output ends.
  • ODN12 may include only one level of optical splitters, or ODN12 may include three or more levels of optical splitters.
  • ODN12 The function of ODN12 is to transmit the downlink optical signal of OLT11 to any ONU13, and The uplink optical signal of any ONU13 is transmitted to OLT11.
  • the embodiments of the present application do not limit the number of optical splitters included in the ODN 12, nor do they limit the number of output ports of each optical splitter.
  • OLT11 transmits the downlink optical signal to ODN12.
  • the input end of the optical splitter 121 in ODN12 receives the downlink optical signal, and the optical splitter 121 transmits the downlink optical signal from the output end b of the optical splitter 121 to the optical splitter.
  • 122 input end, the optical splitter 122 transmits the downlink optical signal from the output end a of the optical splitter 122 to ONU13a, the optical splitter 122 transmits the downlink optical signal from the output end b of the optical splitter 122 to ONU13b, the optical splitter 122 transmits the downlink optical signal It is transmitted from the output terminal c of the optical splitter 122 to the ONU 13c.
  • ONU13a is taken as an example for description. ONU13a receives a downlink optical signal and processes the received downlink optical signal to obtain data therein.
  • ONU13a can also generate an uplink optical signal that needs to be sent to OLT11.
  • ONU13a When ONU13a generates an uplink optical signal, ONU13a passes the uplink optical signal through the output end a of the optical splitter 122, the input end of the optical splitter 122, and the optical splitter. The output terminal b of the converter 121 and the input terminal of the optical splitter 121 are transmitted to the OLT11.
  • OLT11, ODN12 and ONU13 are all connected through optical fibers.
  • Uplink optical signals and downlink optical signals can be transmitted in these optical fibers.
  • these optical fibers can be single-core bidirectional optical fibers.
  • the wavelength of the uplink optical signal transmitted in the PON is different from the wavelength of the downlink optical signal transmitted in the PON.
  • the wavelength of the downlink optical signal transmitted by OLT11 to ONU13a in Figure 1 is ⁇ 1
  • the uplink optical signal transmitted by ONU13a to OLT11 is ⁇ 1.
  • the wavelength of is ⁇ 2, ⁇ 1 and ⁇ 2 are not equal.
  • bidirectional optical sub-assembly (BOSA) 110 needs to be set in OLT11.
  • BOSA bidirectional optical sub-assembly
  • the embodiment provides an exploded view of the bidirectional optical assembly 110, where the bidirectional optical assembly 110 includes a housing 114, and three openings are provided on the housing 114, wherein a transmitting optical sub-assembly is coupled in the first opening of the housing 114.
  • the second opening of the housing 114 is coupled with a receiving optical sub-assembly (ROSA) 112
  • the third opening of the housing 114 is coupled with a single-fiber bidirectional optical fiber 115 through the optical fiber ferrule 115 , a cavity is formed in the housing 114, and a wavelength division multiplexing diaphragm 113 is also provided in the cavity.
  • OLT11 and ONU13a realize communication through a single-fiber bidirectional optical fiber. It is also necessary to set a bidirectional optical component 130 in ONU13a.
  • the structure of the bidirectional optical component 130 is similar to the structure of the bidirectional optical component 110 shown in Figure 3, and is not used here. Repeat.
  • the bidirectional optical component 130 includes a light transmitting component 131, a light receiving component 132, and a wavelength division multiplexing diaphragm 133.
  • the bidirectional optical component 130 also includes an optical fiber ferrule connected to a unidirectional and bidirectional optical fiber.
  • the optical sending component 111 generates a downlink optical signal with a wavelength of ⁇ 1, and the wavelength division multiplexing diaphragm 113 transmits the received downlink optical signal with a wavelength of ⁇ 1 through the optical fiber ferrule of the bidirectional optical component 110.
  • 115 is transmitted to the single-fiber bidirectional optical fiber 116, and then transmitted to the optical fiber ferrule of the bidirectional optical component 130 through the single-fiber bidirectional optical fiber 116.
  • the wavelength division multiplexing diaphragm 133 in the bidirectional optical component 130 reflects the received downlink optical signal with the wavelength ⁇ 1 to the light receiving component 132, so that the light receiving component 132 receives the downlink optical signal with the wavelength ⁇ 1 and processes it.
  • the optical sending component 131 generates an uplink optical signal with a wavelength of ⁇ 2, and the wavelength division multiplexing diaphragm 133 transmits the received uplink optical signal with a wavelength of ⁇ 2, and transmits it to the single-fiber bidirectional optical fiber 116 through the optical fiber ferrule of the bidirectional optical component 130, and then Transmission via single-fiber bidirectional optical fiber 116 Inputted to the optical fiber ferrule 115 of the bidirectional optical component 110, the wavelength division multiplexing diaphragm 113 in the bidirectional optical component 110 reflects the received downlink optical signal with the wavelength ⁇ 2 to the optical receiving component 112, so that the optical receiving component 112 receives The downstream optical signal of ⁇ 1 is processed.
  • the uplink optical signals are generated by each ONU on the user side.
  • the uplink optical signals generated by different ONUs are transmitted to the OLT11 through ODN12 using time division multiplexing (TDM).
  • TDM time division multiplexing
  • One ONU transmits uplink optical signals to OLT11. If two ONUs transmit uplink optical signals to OLT11 at the same time, ONU transmission conflicts will occur, and OLT11 cannot correctly receive the uplink optical signals.
  • PON has evolved into three types: gigabit-capable passive optical networks (gigabit-capable passive optical networks) with a transmission rate of up to 2.5Gbps for uplink optical signals and downlink optical signals.
  • GPON gigabit-capable passive optical networks
  • 10GPON also known as XGPON
  • 50GPON with a transmission rate of up to 50Gbps for uplink optical signals and downlink optical signals
  • the wavelengths of uplink optical signals of different types of PONs are different, and the wavelengths of downlink optical signals of different types of PONs are also different. Refer to Table 1:
  • the wavelength range of the GPON downlink optical signal is 1480nm-1500nm
  • the wavelength range of the GPON uplink optical signal is 1290nm-1330nm
  • the wavelength range of the 10GPON downlink optical signal is 1575nm.
  • the wavelength range of the uplink optical signal of 10GPON is 1260nm-1280nm
  • the wavelength range of the downlink optical signal of 50GPON is 1340nm-1344nm
  • the wavelength range of the uplink optical signal of 50GPON is 1284nm-1288nm .
  • OLT11 will include multiple transceivers, as shown in Figure 4.
  • OLT11 includes transceiver TRX1, transceiver TRX2 and transceiver TRX3.
  • the transceiver TRX3 is a 50GPON transceiver, and the wavelength of the downlink optical signal it emits is ⁇ 5, ⁇ 5 ⁇ [1340nm, 1344nm], the wavelength of the received uplink optical signal is ⁇ 6, ⁇ 6 ⁇ [1284nm, 1288nm].
  • the user-side ONU can choose to communicate with any transceiver in OLT11, but an ONU can only choose to communicate with one transceiver in OLT11.
  • ONU13a communicates with TRX1
  • ONU13b communicates with TRX2
  • ONU13c communicates with TRX3.
  • TRX1 When the PON10 shown in Figure 4 is working, TRX1 generates a downlink optical signal with a wavelength of ⁇ 1, TRX2 generates a downlink optical signal with a wavelength of ⁇ 3, TRX3 generates a downlink optical signal with a wavelength of ⁇ 5, and OLT11 uses wavelength division multiplexing technology (wavelength division). multiplexing (WDM) multiplexes the downlink optical signal with wavelength ⁇ 1, the downlink optical signal with wavelength ⁇ 3 and the downlink optical signal ⁇ 5 into a multiplexed downlink optical signal, and transmits the multiplexed downlink optical signal to ONU13a, ONU13b and ONU13c through ODN12 .
  • WDM wavelength division multiplexing
  • ONU13a will receive the downlink optical signal with wavelength ⁇ 1 in the combined downlink optical signal
  • ONU13b will receive the downlink optical signal with wavelength ⁇ 3 in the combined downlink optical signal
  • ONU13c will receive the downlink optical signal with wavelength ⁇ 5 in the combined downlink optical signal. light signal.
  • OLT11 when OLT11 receives an uplink optical signal as shown in Figure 4, OLT11 can receive an uplink optical signal generated by ONU13a with a wavelength of ⁇ 2, can also receive an uplink optical signal generated by ONU13b with a wavelength of ⁇ 4, and can also receive an uplink optical signal generated by ONU13c with a wavelength of ⁇ 4.
  • ⁇ 6 uplink optical signal When the user side includes multiple ONUs, ONUs belonging to the same PON type generate uplink optical signals with the same wavelength, so ONUs belonging to the same PON type will not transmit uplink optical signals to the OLT11 at the same time. However, they belong to different The uplink optical signals generated by ONUs of different types of PON have different wavelengths.
  • OLT11 will receive multiple uplink optical signals of different wavelengths.
  • the two-way in OLT11 Optical components need to receive optical signals of multiple different wavelengths.
  • the bidirectional optical component 30 shown in Figure 5 includes wavelength division multiplexing. Diaphragm 31, wavelength division multiplexing diaphragm 32, wavelength division multiplexing diaphragm 33, wavelength division multiplexing diaphragm 34, optical sending component 35, optical sending component 36, optical receiving component 37, optical receiving component 38, optical fiber plug Core 39. specifically, light
  • the optical fiber in the ferrule 39 receives the uplink optical signal with the wavelength ⁇ 2 and the uplink optical signal with the wavelength ⁇ 4, and transmits the uplink optical signal with the wavelength ⁇ 2 and the uplink optical signal with the wavelength ⁇ 4 to the wavelength division multiplexing diaphragm 31.
  • the wavelength division multiplexing diaphragm 31 reflects the uplink optical signal with the wavelength ⁇ 2 to the wavelength division multiplexing diaphragm 32 , and the wavelength division multiplexing diaphragm 32 reflects the uplink optical signal with the wavelength ⁇ 2 to the light receiving component 37 , and the light receiving component 37 Receives the uplink optical signal with wavelength ⁇ 2; the wavelength division multiplexing diaphragm 31 transmits the optical signal with wavelength ⁇ 4 to the wavelength division multiplexing diaphragm 33, and the wavelength division multiplexing diaphragm 33 reflects the optical signal with wavelength ⁇ 4 to The receiving component 38.
  • the light receiving component 38 receives the uplink optical signal with the wavelength ⁇ 4.
  • the optical transmitting component 35 is used to generate a downlink optical signal with a wavelength ⁇ 1, transmit the downlink optical signal with a wavelength ⁇ 1 to the wavelength division multiplexing diaphragm 34, and the wavelength division multiplexing diaphragm 34 reflects the downlink optical signal with a wavelength ⁇ 1 to
  • the wavelength division multiplexing diaphragm 33 transmits the downlink optical signal with the wavelength ⁇ 1 to the wavelength division multiplexing diaphragm 31, and the wavelength division multiplexing diaphragm 31 transmits the downlink optical signal with the wavelength ⁇ 1 to the optical fiber insert.
  • the optical fiber in the optical fiber ferrule 39 outputs the downlink optical signal with the wavelength ⁇ 1; the optical sending component 36 is used to generate the downlink optical signal with the wavelength ⁇ 3, and transmit the downlink optical signal with the wavelength ⁇ 3 to the wavelength division multiplexing diaphragm. 34.
  • the wavelength division multiplexing diaphragm 34 transmits the downlink optical signal with the wavelength ⁇ 3 to the wavelength division multiplexing diaphragm 33, and the wavelength division multiplexing diaphragm 33 transmits the downlink optical signal with the wavelength ⁇ 3 to the wavelength division multiplexing diaphragm 31.
  • the wavelength division multiplexing diaphragm 31 transmits the downlink optical signal with the wavelength ⁇ 3 to the optical fiber ferrule 39, and the optical fiber in the optical fiber ferrule outputs the downlink optical signal with the wavelength ⁇ 3.
  • the bidirectional optical component 30 shown in FIG. 5 is a tube-shell structure, including a shell with a cavity, and a wavelength division multiplexing diaphragm is arranged in the cavity.
  • a wavelength division multiplexing diaphragm In order to receive uplink optical signals of two wavelengths, multiple wavelength division multiplexing diaphragms need to be installed in the cavity of the bidirectional optical component 30, and the installation positions and installation angles between the multiple wavelength division multiplexing diaphragms must satisfy Transmitting the uplink optical signal of a specific wavelength to a specific optical receiving component has a complex structure.
  • the wavelength division multiplexing diaphragm can reflect optical signals of a predetermined wavelength and transmit optical signals of one or more wavelengths.
  • the difference between the wavelength of the optical signal and the wavelength of the optical signal transmitted by the wavelength division multiplexing diaphragm is smaller.
  • the light splitting ability of the wavelength division multiplexing diaphragm is related to the characteristics of the coating layer in the wavelength division multiplexing diaphragm, and is also related to the incident angle of the optical signal incident on the wavelength division multiplexing diaphragm.
  • the wavelength division multiplexing diaphragm when a wavelength division multiplexing diaphragm is completed, the characteristics of the coating layer in the wavelength division multiplexing diaphragm are fixed, and the light splitting ability of the wavelength division multiplexing diaphragm is not affected by the characteristics of the coating layer. For example, when the incident angle of the optical signal incident on the wavelength division multiplexing diaphragm is 30°, the wavelength division multiplexing diaphragm can reflect the optical signal with a wavelength of 1280nm in the incident optical signal and transmit the optical signal with a wavelength of 1284nm.
  • the wavelength division multiplexing diaphragm will transmit both the optical signal with a wavelength of 1280nm and the optical signal with a wavelength of 1284nm. It can be seen that when the difference between the wavelength of the optical signal reflected by the wavelength division multiplexing diaphragm and the wavelength of the optical signal transmitted by the wavelength division multiplexing diaphragm is required to be smaller, it is necessary to control the incidence of the optical signal incident on the wavelength division multiplexing diaphragm. angle.
  • the manufacturing process is to make a bevel in the cavity of the bidirectional optical component 30.
  • the engineering angle error of the bevel is ⁇ 0.8°
  • the wavelength division multiplexing film is mounted on the bevel.
  • the mounting error is ⁇ 1.5 degrees. Therefore, the manufacturing angle error of the wavelength division multiplexing diaphragm 31 is ⁇ 2.3°.
  • the angle error of the wavelength division multiplexing diaphragm 31 will affect the light splitting capability of the wavelength division multiplexing diaphragm 31 , causing the bidirectional optical component 30
  • Two uplink optical signals with a small wavelength difference cannot be transmitted to specific light receiving components respectively, and the light receiving accuracy of the bidirectional optical component 30 is limited.
  • the bidirectional optical component 50 includes a housing 51 with a cavity; the housing 51 is provided with openings K1, K2, K3 and K4 that communicate with the cavity, wherein the opening K1 is coupled with an optical fiber, the opening K2 is coupled with the light receiving component ROSA1, and the opening K3 is coupled with the light receiving component ROSA2.
  • a light sending component TOSA is coupled within the opening K4; a diaphragm 53, a diaphragm 54 and a glass crystal 52 are provided in the cavity.
  • the glass crystal 52 includes an inclined surface f1 and an inclined surface f2 arranged relatively parallel to each other.
  • the bidirectional optical component 50 is a tube-like structure, and what is shown in FIG. 6 is only a cross-sectional view of the bidirectional optical component 50 along the light transmission direction.
  • the opening K1 faces the inclined surface f2
  • the opening K4 faces the inclined surface f1 .
  • the optical fiber When the bidirectional optical component 50 shown in Figure 6 receives an optical signal, the optical fiber is used to transmit the first optical signal from the opening K1 to the diaphragm 53 in the cavity; for example, the first optical signal includes a plurality of different wavelengths uplink optical signal.
  • the optical fiber is coupled to the opening K1 through the optical fiber ferrule, that is, the optical fiber needs to be connected to the optical fiber ferrule used as a pluggable connector.
  • the optical fiber transmits the first optical signal from the opening K1 to the diaphragm 53 in the cavity, the first optical signal often passes through a collimating lens and then is transmitted to the diaphragm 53.
  • the collimating lens can be integrated In the optical fiber ferrule, and disposed on the optical path between the optical fiber and the diaphragm 53, or a collimating lens can be provided inside the opening K1, so that the first optical signal transmitted by the optical fiber reaches the collimator after passing through the optical fiber ferrule. straight lens, and enters the diaphragm 53 after being collimated by the collimating lens.
  • the first optical signal may include an optical signal with a wavelength range of 1290nm-1330nm and an optical signal with a wavelength range of 1260nm-1280nm; or, the first The optical signal may include an optical signal with a wavelength range of 1290nm-1330nm and an optical signal with a wavelength range of 1284nm-1288nm; alternatively, the first optical signal may include an optical signal with a wavelength range of 1260nm-1280nm and an optical signal with a wavelength range of 1284nm-1288nm.
  • the first optical signal may include an optical signal with a wavelength range of 1290nm-1330nm and an optical signal with a wavelength range of 1260nm-1288nm; alternatively, the first optical signal may include an optical signal with a wavelength range of 1284nm-1330nm signal and an optical signal with a wavelength range of 1260nm-1280nm; alternatively, the first optical signal may include an optical signal with a wavelength range of 1284nm-1288nm and optical signals with a wavelength range of 1290nm-1330nm and 1260nm-1280nm.
  • the embodiments of the present application do not limit this.
  • the diaphragm 53 is used to reflect the first optical signal to the inclined surface f1 of the glass crystal 52; the glass crystal 52 is used to transmit the first optical signal received by the inclined surface f1 to the inclined surface f2; the diaphragm 54 is used to Among the first optical signals received by the inclined surface f2, the second optical signals in the first wavelength range are transmitted to the light receiving component ROSA1 of the opening K2.
  • the first optical signal including an optical signal with a wavelength range of 1290nm-1330nm and an optical signal with a wavelength range of 1260nm-1280nm, where the second optical signal in the first optical signal within the first wavelength range It can be an optical signal with a wavelength range of 1290nm-1330nm.
  • the first wavelength range is the wavelength range of 1290nm-1330nm. Then the optical signal with a wavelength range of 1290nm-1330nm will be transmitted to the optical receiving component ROSA1, and the optical receiving component ROSA1 receives the wavelength range. For the optical signal of 1290nm-1330nm and process it.
  • the diaphragm 54 is also used to reflect the third optical signal in the second wavelength range of the first optical signal received by the inclined surface f2 to the inclined surface f1; the light receiving component ROSA2 is used to receive the third light output by the inclined surface f1 Signal.
  • the third optical signal in the second wavelength range of the first optical signal may be an optical signal with a wavelength range of 1260nm-1280nm.
  • the second wavelength range is a wavelength range of 1260nm-1280nm, then the wavelength range is 1260nm-1280nm.
  • the 1280nm optical signal will be transmitted to the optical receiving component ROSA2.
  • the optical receiving component ROSA2 receives the optical signal with a wavelength range of 1260nm-1280nm and processes it.
  • the diaphragm 54 is used to receive the first optical signal of the inclined surface f2.
  • the second optical signal in the first wavelength range of the optical signal is transmitted to the light receiving component ROSA1 of the opening K2; the diaphragm 54 is also used to receive the third optical signal in the second wavelength range of the first optical signal received by the inclined surface f2.
  • the optical signal is reflected to the inclined surface f1; the light receiving component ROSA2 is used to receive the third optical signal output by the inclined surface f1.
  • the second optical signal in the first wavelength range of the first optical signal is an optical signal with a wavelength range of 1284nm-1288nm.
  • the first wavelength range is a wavelength range of 1284nm-1288nm, then the wavelength range is light of 1284nm-1288nm.
  • the signal will be transmitted to the optical receiving component ROSA1, which receives the optical signal with a wavelength range of 1284nm-1288nm and processes it.
  • the third optical signal in the second wavelength range of the first optical signal can be an optical signal with a wavelength range of 1290nm-1330nm and 1260nm-1280nm, and the second wavelength range is a wavelength range of 1290nm-1330nm and 1260nm-1280nm, then The optical signals in the wavelength range of 1290nm-1330nm and 1260nm-1280nm will be transmitted to the optical receiving component ROSA2.
  • the optical receiving component ROSA2 receives the optical signals in the wavelength range of 1290nm-1330nm and 1260nm-1280nm and processes them.
  • the first wavelength range may be a continuous wavelength range, or several discontinuous wavelength ranges
  • the second wavelength range may be a continuous wavelength range, or several discontinuous wavelength ranges.
  • the first wavelength range may be a continuous wavelength range, or several discontinuous wavelength ranges.
  • the wavelength range only needs to be different from the second wavelength range, and the embodiments of the present application do not limit this.
  • the optical sending component TOSA is used to transmit a fourth optical signal from the opening K4 to the diaphragm 53 in the cavity.
  • the fourth optical signal may be a downlink Optical signal
  • the fourth optical signal may include at least one of the following optical signals: a downlink optical signal with a wavelength range of 1480nm-1500nm, a downlink optical signal with a wavelength range of 1575nm-1580nm, and a downlink optical signal with a wavelength range of 1340nm-1344nm.
  • the wavelength range of the fourth optical signal is different from the wavelength range of the first optical signal.
  • the diaphragm 53 is also used to transmit the fourth optical signal to the optical fiber in the opening K1, so that the optical fiber outputs the fourth optical signal.
  • both the diaphragm 53 and the diaphragm 54 can be called wavelength division multiplexing diaphragms.
  • the wavelength range of the optical signal that the diaphragm 53 in the bidirectional optical assembly 50 shown in FIG. 6 can transmit is the fourth optical signal.
  • the wavelength range of the optical signal that the diaphragm 53 can reflect is the wavelength range of the first optical signal; the wavelength range of the optical signal that the diaphragm 54 can transmit is the first wavelength range, and the wavelength range of the optical signal that the diaphragm 54 can reflect The range is the second wavelength range.
  • the diaphragm 53 reflects the received first optical signal to the inclined surface f1 of the glass crystal 52; the glass crystal 52, used to transmit the first optical signal received by the inclined surface f1 to the inclined surface f2; the diaphragm 54 is used to transmit the second optical signal in the first wavelength range among the first optical signals received by the inclined surface f2 to the opening K2
  • the light receiving component ROSA1 and the diaphragm 54 are also used to reflect the third optical signal in the second wavelength range from the first optical signal received by the inclined surface f2 to the inclined surface f1.
  • the light receiving component ROSA2 is used to receive the inclined surface f2.
  • the third optical signal output from plane f1. Therefore, the bidirectional optical component 50 can transmit the second optical signal in the first wavelength range of the first optical signal to the optical receiving component ROSA1, and transmit the second optical signal in the first wavelength range of the first optical signal to the optical receiving component ROSA1.
  • the third optical signal is transmitted to the optical receiving component ROSA2 to realize the function of receiving two optical signals in different wavelength ranges, and the bidirectional optical component
  • the function of receiving two optical signals in different wavelength ranges can be achieved through two diaphragms and a glass crystal, and the structure is relatively simple.
  • the bidirectional optical component 50 can also realize the function of outputting optical signals.
  • the diaphragm 54 reflects the third optical signal in the second wavelength range from the first optical signal received by the inclined surface f2 to the inclined surface f1, it can be seen that the diaphragm 54 is attached to the inclined surface f2 of the glass crystal 52.
  • the inclination angle of the inclined surface of the glass crystal 52 meets the above-mentioned optical signal transmission requirements, and the accuracy of the inclination angle of the inclined surface of the glass crystal 52 can be controlled to a very high level during production, then after attaching the diaphragm 54 When mounted on the glass crystal 52, the mounting angle error is ⁇ 0.2°, and there is no need to set up a slope to support the diaphragm 54 in the cavity.
  • the production of the bidirectional optical component 50 will also be simpler. Among them, since the mounting angle error of the diaphragm 54 on the glass crystal 52 is ⁇ 0.2°, when the diaphragm 54 has a relatively strong light splitting ability, the bidirectional optical component 50 can separate two optical signals with a small wavelength difference. The respective transmission to specific light receiving components also further improves the reception accuracy of the optical signals received by the bidirectional optical component 50 .
  • the diaphragm 53 can also be mounted on the inclined surface of the glass crystal 52. Referring to FIG. 6, the diaphragm 53 is mounted on the glass crystal 52. On the inclined surface f1, then, the optical fiber is specifically used to transmit the first optical signal from the opening K1 to the inclined surface f2 of the glass crystal 52 in the cavity; the glass crystal 52 is used to receive the first optical signal received by the inclined surface f2. It is transmitted to the diaphragm 53 through the inclined surface f1; so that the diaphragm 53 reflects the first optical signal to the inclined surface f1 of the glass crystal 52.
  • the diaphragm 53 is specifically used to transmit the fourth optical signal to the inclined surface f1 of the glass crystal 52; the glass crystal 52 is also used to transmit the fourth optical signal received by the inclined surface f1 to the optical fiber in the opening K1 through the inclined surface f2. , so that the light outputs the fourth optical signal.
  • a reflective structure S1 and a reflective structure S2 are also provided in the cavity.
  • the diaphragm 54 is specifically used to transmit the second optical signal to the reflective structure S1; the reflective structure S1 is used to reflect the second optical signal to the light receiving component ROSA1 of the opening K2.
  • a first bracket can be provided on the glass crystal 52, the reflective structure S1 is installed on the first bracket, and the reflective structure S1 is integrated with the glass crystal 52; or a second bracket is provided in the cavity, and the reflective structure S1 is installed.
  • the reflective structure S1 is not integrated with the glass crystal 52 .
  • the embodiment of the present application does not limit whether the reflective structure S1 is integrated with the glass crystal 52 .
  • the reflective structure S1 may be a reflective film, a reflective surface, a reflective mirror, etc., which are not limited in the embodiments of the present application.
  • the reflective structure S2 is used to reflect the third optical signal received by the inclined surface f1 to the light receiving component ROSA2 of the opening K3; the light receiving component ROSA2 is specifically used to receive the third optical signal reflected by the reflective structure S2.
  • a third bracket can be provided on the glass crystal 52, the reflective structure S2 is installed on the third bracket, and the reflective structure S2 is integrated with the glass crystal 52; or a fourth bracket is provided in the cavity, and the reflective structure S1 is installed. On the fourth bracket, the reflective structure S2 is not integrated with the glass crystal 52 .
  • the embodiment of the present application does not limit whether the reflective structure S2 is integrated with the glass crystal 52 .
  • the reflective structure S2 may be a reflective film, a reflective surface, a reflective mirror, etc., which is not limited in the embodiments of the present application.
  • the reflective structure S1 and the reflective structure S2 are provided in the cavity, the reflective structure S1 reflects the second optical signal to the light receiving component ROSA1 of the opening K2, and the reflective structure S2 reflects the third optical signal to the light receiving component ROSA2 of the opening K3. Then, the arrangement positions of the light-receiving component ROSA1 and the light-receiving component ROSA2 in the bidirectional optical component can be changed. For example, the light-receiving component ROSA1 and the light-receiving component ROSA2 can both be placed on the first side of the inclined plane f2 (or the inclined plane f1).
  • the first end may be the lower end of the inclined surface f2 (or the inclined surface f1) according to the placement position of the bidirectional optical component 50 shown in FIG. 6 .
  • both the light receiving component ROSA1 and the light receiving component ROSA2 can be disposed at the second end of the inclined surface f2 (or the inclined surface f1).
  • the second end It may be the upper end of the inclined surface f2 (or the inclined surface f1).
  • the light-receiving element ROSA1 can be arranged at the first end of the inclined surface f2 (or the inclined surface f1), and the light-receiving elements ROSA2 can be arranged at the second end of the inclined surface f2 (or the inclined surface f1), or the light-receiving element ROSA1 can be arranged at the second end of the inclined surface f2 (or the inclined surface f1).
  • the receiving element ROSA1 is arranged at the second end of the inclined surface f2 (or the inclined surface f1), and the light receiving elements ROSA2 are both arranged at the first end of the inclined surface f2 (or the inclined surface f1).
  • the embodiments of the present application do not limit the placement positions of the light receiving component ROSA1 and the light receiving component ROSA2.
  • the light receiving component ROSA1 and the light receiving component ROSA2 shown in FIG. 6 are both disposed at the first end of the inclined surface f2 (or the inclined surface f1).
  • the bidirectional optical component 50 can transmit optical signals in three different wavelength ranges to the corresponding optical receiving component ROSA respectively.
  • the bidirectional optical assembly 50 shown in Figure 7 is also provided with an opening K5 on the housing 51, wherein the opening K5 is internally coupled to the light receiving assembly ROSA3; A diaphragm 55 is also provided in the cavity.
  • the process of outputting the fourth optical signal by the bidirectional optical component 50 shown in FIG. 7 is consistent with the process of outputting the fourth optical signal by the bidirectional optical component 50 shown in FIG. 6 , and will not be described again here.
  • the optical fiber is used to transmit the first optical signal from the opening K1 to the diaphragm 53 in the cavity;
  • the first optical signal includes a plurality of uplink optical signals of different wavelengths.
  • the first optical signal may include a second optical signal with a wavelength range of 1290nm-1330nm and a third optical signal with a wavelength range of 1260nm-1288nm.
  • the diaphragm 53 is used to reflect the first optical signal to the inclined surface f1 of the glass crystal 52; the glass crystal 52 is used to transmit the first optical signal received by the inclined surface f1 to the inclined surface f2; the diaphragm 54 is used to The second optical signal in the first wavelength range among the first optical signals received by the inclined surface f2 is transmitted to the light receiving component ROSA1 of the opening K2.
  • the second optical signal in the first wavelength range of the first optical signal may be the second optical signal in the wavelength range of 1290nm-1330nm, then the second optical signal in the wavelength range of 1290nm-1330nm will be transmitted to the optical
  • the receiving component ROSA1 receives the second optical signal with a wavelength range of 1290nm-1330nm and processes it.
  • the diaphragm 54 is also used to reflect the third optical signal in the second wavelength range of the first optical signal received by the inclined surface f2 to the inclined surface f1; for example, the third optical signal in the second wavelength range of the first optical signal is
  • the three optical signals may be a third optical signal with a wavelength range of 1260nm-1288nm.
  • the third optical signal includes a fifth optical signal with a wavelength range of 1260nm-1280nm and a sixth optical signal with a wavelength range of 1284nm-1288nm.
  • the diaphragm 55 is used to transmit the fifth optical signal in the third wavelength range of the third optical signal received by the inclined surface f1 to the light receiving component ROSA2 of the opening K3; the light receiving component ROSA2 is specifically used to receive the fifth optical signal.
  • the fifth optical signal in the third wavelength range of the third optical signal may be the fifth optical signal in the wavelength range of 1260nm-1280nm, then the fifth optical signal in the wavelength range of 1260nm-1280nm will be transmitted to the optical
  • the receiving component ROSA2 receives the fifth optical signal with a wavelength range of 1260nm-1280nm and processes it.
  • the diaphragm 55 is also used to reflect the sixth optical signal in the fourth wavelength range of the third optical signal received by the inclined surface f1 to the inclined surface f2; the light receiving component ROSA3 is used to receive the sixth light output by the inclined surface f2 Signal.
  • the sixth optical signal in the fourth wavelength range of the third optical signal may be the sixth optical signal in the wavelength range of 1284nm-1288nm, then the sixth optical signal in the wavelength range of 1284nm-1288nm will be transmitted to the optical
  • the receiving component ROSA3 receives the sixth optical signal with a wavelength range of 1284nm-1288nm and processes it.
  • the diaphragm 53, the diaphragm 54 and the diaphragm 55 can all be called wavelength division multiplexing diaphragms.
  • the wavelength range of the optical signal that can be transmitted by the diaphragm 53 in the bidirectional optical component 50 shown in Figure 7 is the third.
  • the wavelength range of the four optical signals, the wavelength range of the optical signal that the diaphragm 53 can reflect is the wavelength range of the first optical signal; the wavelength range of the optical signal that the diaphragm 54 can transmit is the first wavelength range, the diaphragm 54 can reflect
  • the wavelength range of the optical signal is the second wavelength range, and the second wavelength range includes the third wavelength range and the fourth wavelength range; the wavelength range of the optical signal that the diaphragm 55 can transmit is the third wavelength range, and the light that the diaphragm 55 can reflect
  • the wavelength range of the signal is the fourth wavelength range.
  • the diaphragm 55 is also used to reflect the sixth optical signal in the fourth wavelength range from the third optical signal received by the inclined surface f1 to the inclined surface f2, so the diaphragm 55 It can also be mounted on the glass crystal 52 to reduce the manufacturing complexity of the bidirectional optical component 50 .
  • a cavity is also provided with Reflective structure S1, reflective structure S2 and reflective structure S3.
  • the diaphragm 54 is specifically used to transmit the second optical signal to the reflective structure S1; the reflective structure S1 is used to reflect the second optical signal to the light receiving component ROSA1 of the opening K2.
  • a first bracket can be provided on the glass crystal 52, the reflective structure S1 is installed on the first bracket, and the reflective structure S1 is integrated with the glass crystal 52; or a second bracket is provided in the cavity, and the reflective structure S1 is installed.
  • the reflective structure S1 is not integrated with the glass crystal 52 .
  • the embodiment of the present application does not limit whether the reflective structure S1 is integrated with the glass crystal 52 .
  • the reflective structure S1 may be a reflective film, a reflective surface, a reflective mirror, etc., which are not limited in the embodiments of the present application.
  • the diaphragm 55 is specifically used to transmit the fifth optical signal to the reflective structure S2; the reflective structure S2 is used to reflect the fifth optical signal to the light receiving component ROSA2 of the opening K3; the light receiving component ROSA2 is specifically used to receive the reflective structure
  • a third bracket can be provided on the glass crystal 52, the reflective structure S2 is installed on the third bracket, and the reflective structure S2 is integrated with the glass crystal 52; or a fourth bracket is provided in the cavity, and the reflective structure S2 is installed. On the fourth bracket, the reflective structure S2 is not integrated with the glass crystal 52 .
  • the embodiment of the present application does not limit whether the reflective structure S2 is integrated with the glass crystal 52 .
  • the reflective structure S2 may be a reflective film, a reflective surface, a reflective mirror, etc., which is not limited in the embodiments of the present application.
  • the reflective structure S3 is used to reflect the sixth optical signal received by the inclined surface f2 to the light receiving component ROSA3 of the opening K5; the light receiving component ROSA3 is specifically used to receive the sixth optical signal reflected by the reflective structure S3.
  • a fifth bracket can be provided on the glass crystal 52, the reflective structure S3 is installed on the fifth bracket, and the reflective structure S3 is integrated with the glass crystal 52; or a sixth bracket is arranged in the cavity, and the reflective structure S3 is installed on the sixth bracket, and the reflective structure S3 is not integrated with the glass crystal 52 .
  • the embodiment of the present application does not limit whether the reflective structure S3 is integrated with the glass crystal 52 .
  • the reflective structure S3 may be a reflective film, a reflective surface, a reflective mirror, etc., which are not limited in the embodiments of the present application.
  • a diaphragm 80 and a reflective sheet M1 are further provided in the cavity of the bidirectional optical component 50 shown in FIG. 8 .
  • the reflective sheet M1 includes a diaphragm and a reflective structure, where the reflective structure includes a reflective film, a reflective surface, a reflective mirror, etc.
  • the optical fiber transmits a first optical signal from the opening K1 to the diaphragm 53 in the cavity.
  • the first optical signal includes a second optical signal in the first wavelength range and a third optical signal in the second wavelength range.
  • the diaphragm 53 reflects the first optical signal to the inclined surface f1 of the glass crystal 52; the glass crystal 52 transmits the first optical signal received by the inclined surface f1 to the inclined surface f2; the diaphragm 54 transmits the first optical signal received by the inclined surface f2,
  • the second optical signal in the first wavelength range is transmitted to the light receiving component ROSA1 of the opening K2; the diaphragm 54 also reflects the third optical signal in the second wavelength range from the first optical signal received by the inclined surface f2 to the inclined surface.
  • diaphragm 80 used to reflect the seventh optical signal in the fifth wavelength range among the third optical signal received by the inclined surface f1 to the inclined surface f2; diaphragm 80, also used to reflect the third optical signal received by the inclined surface f1 Among the three optical signals, the eighth optical signal in the sixth wavelength range is transmitted; the reflective sheet M1 is used to reflect the seventh optical signal received by the inclined surface f2 to the inclined surface f1; the light receiving component ROSA2 is used to receive the inclined surface f1 The seventh light signal output.
  • the diaphragm 53, the diaphragm 54 and the diaphragm 80 can all be called wavelength division multiplexing diaphragms.
  • the wavelength range of the optical signal that can be transmitted by the diaphragm 53 in the bidirectional optical assembly 50 shown in Figure 8 is:
  • the wavelength range of the fourth optical signal, the wavelength range of the optical signal that the diaphragm 53 can reflect is the wavelength range of the first optical signal;
  • the wavelength range of the optical signal that the diaphragm 54 can transmit is the first wavelength range, the diaphragm 54 can reflect
  • the wavelength range of the optical signal is the second wavelength range;
  • the wavelength range of the optical signal that the diaphragm 80 can transmit is the sixth wavelength range, and the wavelength range of the optical signal that the diaphragm 80 can reflect is the fifth wavelength range.
  • the diaphragm is called a wavelength division multiplexing diaphragm.
  • the wavelength range of the optical signal that the diaphragm can transmit is the sixth wavelength range, and the wavelength range of the optical signal that can be reflected by the diaphragm The range is the fifth wavelength range.
  • the diaphragm 80 reflects the seventh optical signal in the fifth wavelength range of the third optical signal received by the inclined surface f1 to the inclined surface f2, it can be seen that the diaphragm 80 is mounted on the inclined surface f1 of the glass crystal 52 . Since the reflective sheet M1 reflects the seventh optical signal received by the inclined surface f2 to the inclined surface f1, it can be seen that the reflective sheet M1 is attached to the inclined surface f2 of the glass crystal 52.
  • the third optical signal reflected by the diaphragm 54 includes not only the seventh optical signal that the light receiving component ROSA2 needs to receive in the fifth wavelength range, but also the third optical signal in the sixth wavelength range.
  • the diaphragm 80 reflects the seventh optical signal in the fifth wavelength range from the third optical signal received by the inclined surface f1 to the inclined surface f2; the diaphragm 80 reflects the third optical signal received by the inclined surface f1.
  • the eighth optical signal in the sixth wavelength range is transmitted; the reflective sheet M1 reflects the seventh optical signal received by the inclined surface f2 to the inclined surface f1; the light receiving component ROSA2 is used to receive the seventh optical signal output by the inclined surface f1, Therefore, the optical receiving component ROSA2 will not receive the eighth optical signal in the sixth wavelength range of the third optical signal, thereby improving the wavelength purity of the optical signal received by the optical receiving component ROSA2.
  • a diaphragm 80 and a reflective sheet M1 are also provided in the cavity of the bidirectional optical component 50 shown in FIG. 9 .
  • the reflective sheet M1 includes a diaphragm and a reflective structure, where the reflective structure includes a reflective film, a reflective surface, a reflective mirror, etc.
  • the optical fiber transmits a first optical signal from the opening K1 to the diaphragm 53 in the cavity.
  • the first optical signal includes a second optical signal in the first wavelength range and a third optical signal in the second wavelength range.
  • the diaphragm 53 reflects the first optical signal to the inclined surface f1 of the glass crystal 52; the glass crystal 52 transmits the first optical signal received by the inclined surface f1 to the inclined surface f2; the diaphragm 54 transmits the first optical signal received by the inclined surface f2,
  • the second optical signal in the first wavelength range is transmitted to the light receiving component ROSA1 of the opening K2; the diaphragm 54 also reflects the third optical signal in the second wavelength range from the first optical signal received by the inclined surface f2 to the inclined surface.
  • the reflective sheet M1 reflects the third optical signal received by the inclined surface f1 to the inclined surface f2; the diaphragm 80 is used to reflect the seventh optical signal in the fifth wavelength range among the third optical signal received by the inclined surface f2 to the inclined surface f1; the diaphragm 80 is also used to transmit the eighth optical signal in the sixth wavelength range among the third optical signals received by the inclined surface f1; the light receiving component ROSA2 is used to receive the third optical signal output by the inclined surface f1. Seven light signals.
  • the diaphragm 53, the diaphragm 54, and the diaphragm 80 can all be called wavelength division multiplexing diaphragms.
  • the wavelength range of the optical signal that can be transmitted by the diaphragm 53 in the bidirectional optical assembly 50 shown in Figure 9 is:
  • the wavelength range of the fourth optical signal, the wavelength range of the optical signal that the diaphragm 53 can reflect is the wavelength range of the first optical signal;
  • the wavelength range of the optical signal that the diaphragm 54 can transmit is the first wavelength range, the diaphragm 54 can reflect
  • the wavelength range of the optical signal is the second wavelength range;
  • the wavelength range of the optical signal that the diaphragm 80 can transmit is the sixth wavelength range, and the wavelength range of the optical signal that the diaphragm 80 can reflect is the fifth wavelength range.
  • the diaphragm is called a wavelength division multiplexing diaphragm.
  • the wavelength range of the optical signal that the diaphragm can transmit is the sixth wavelength range, and the wavelength range of the optical signal that can be reflected by the diaphragm The range is the fifth wavelength range.
  • the reflective sheet M1 reflects the third optical signal received by the inclined surface f1 to the inclined surface f2, it can be seen that the reflective sheet M1 is attached to the inclined surface f1 of the glass crystal 52. Since the diaphragm 80 reflects the seventh optical signal in the fifth wavelength range among the third optical signals received by the inclined surface f2 to the inclined surface f1, it can be seen that the diaphragm 80 is mounted on the inclined surface f2 of the glass crystal 52.
  • the third optical signal reflected by the diaphragm 54 includes both the seventh optical signal that the light receiving component ROSA2 needs to receive in the fifth wavelength range, and the eighth light in the sixth wavelength range.
  • the reflective sheet M1 reflects the third optical signal received by the inclined surface f1 to the inclined surface f2; the diaphragm 80 reflects the seventh optical signal in the fifth wavelength range among the third optical signal received by the inclined surface f2 to the inclined surface.
  • the diaphragm 80 transmits the eighth optical signal in the sixth wavelength range among the third optical signals received by the inclined surface f1; the light receiving component ROSA2 is used to receive the seventh optical signal output by the inclined surface f1, thereby making The optical receiving component ROSA2 will receive the eighth optical signal in the sixth wavelength range of the third optical signal, thereby improving the wavelength purity of the optical signal received by the optical receiving component ROSA2.
  • a reflective structure S1 and a reflective structure S2 are also provided in the cavity.
  • the diaphragm 54 is specifically used to transmit the second optical signal to the reflective structure S1;
  • the reflective structure S1 is used to reflect the second optical signal to the light receiving component ROSA1 of the opening K2.
  • the reflective structure S2 is used to reflect the seventh optical signal received by the inclined surface f1 to the light receiving component ROSA2 of the opening K3;
  • the light receiving component ROSA2 is specifically used to receive the seventh optical signal reflected by the reflective structure S2.
  • the installation positions of the light receiving component ROSA1 and the light receiving component ROSA2 in the bidirectional optical component 50 can be changed.
  • the light receiving component ROSA1 and the light receiving component ROSA2 can be both disposed in The first end of the inclined surface f2 (or the inclined surface f1) may be the lower end of the inclined surface f2 (or the inclined surface f1) according to the placement position of the bidirectional light assembly 50 shown in FIG. 8 or FIG. 9 .
  • both the light receiving component ROSA1 and the light receiving component ROSA2 can be disposed at the second end of the inclined surface f2 (or the inclined surface f1).
  • the The second end may be the upper end of the inclined surface f2 (or the inclined surface f1).
  • the light-receiving element ROSA1 can be arranged at the first end of the inclined surface f2 (or the inclined surface f1), and the light-receiving elements ROSA2 can be arranged at the second end of the inclined surface f2 (or the inclined surface f1), or the light-receiving element ROSA1 can be arranged at the second end of the inclined surface f2 (or the inclined surface f1).
  • the receiving element ROSA1 is arranged at the second end of the inclined surface f2 (or the inclined surface f1), and the light receiving elements ROSA2 are both arranged at the first end of the inclined surface f2 (or the inclined surface f1).
  • the embodiments of the present application do not limit the placement positions of the light receiving component ROSA1 and the light receiving component ROSA2.
  • the light-receiving component ROSA1 shown in FIG. 8 is disposed at the second end of the inclined surface f2 (or the inclined surface f1), and the light-receiving components ROSA2 are both disposed at the first end of the inclined surface f2 (or the inclined surface f1).
  • the bidirectional optical assembly 50 includes a housing 51 having a cavity; the housing 51 is provided with openings K1 , K2 , K3 and K4 communicating with the cavity, wherein, An optical fiber is coupled within the opening K1, a light receiving component ROSA1 is coupled within the opening K2, a light receiving component ROSA2 is coupled within the opening K3, and a light sending component TOSA is coupled within the opening K4; a diaphragm 53, a diaphragm 54 and glass are provided in the cavity.
  • the crystal 52 and the glass crystal 52 include an inclined surface f1 and an inclined surface f2 arranged relatively parallel to each other. Among them, a reflective structure S4 is also provided in the cavity of the bidirectional optical component 50 shown in FIG. 10 .
  • FIG. 10 What is shown in FIG. 10 is only a cross-sectional view of the bidirectional optical component 50 along the light transmission direction.
  • the opening K1 faces the inclined surface f2
  • the opening K4 faces the inclined surface f1.
  • the optical fiber is used to transmit the first optical signal from the opening K1 to the diaphragm 53 in the cavity; the diaphragm 53 is used to reflect the first optical signal to the glass.
  • the inclined surface f1 of the crystal 52; the glass crystal 52 is used to transmit the first optical signal received by the inclined surface f1 to the inclined surface f2; the diaphragm 54 is used to transmit the first wavelength of the first optical signal received by the inclined surface f2
  • the second optical signal within the range is transmitted to the light receiving component ROSA1 of the opening K2.
  • the diaphragm 54 is also used to reflect the third optical signal in the second wavelength range from the first optical signal received by the inclined surface f2 to the inclined surface f1; the reflective structure S4 is used to reflect the third light received by the inclined surface f1.
  • the signal is reflected to the inclined surface f2; the light receiving component ROSA2 is used to receive the third optical signal output by the inclined surface f2.
  • the reflective structure S4 reflects the third optical signal received by the inclined surface f1 to the inclined surface f2
  • the reflective structure S4 is mounted on the inclined surface f1 of the glass crystal 52, for example, on the inclined surface f1 of the glass crystal 52
  • the reflective film is coated to form the reflective structure S4.
  • the mounting position of the reflective structure S4 needs to reflect the third optical signal, and the reflective structure S4 covers part of the inclined surface f1 of the glass crystal 52 .
  • the optical sending component TOSA is used to transmit the fourth optical signal from the opening K4 to the diaphragm 53 in the cavity.
  • the diaphragm 53 is also used to transmit the fourth optical signal. Transmit to the optical fiber in the opening K1, so that the optical fiber outputs the fourth optical signal.
  • the diaphragm 53 can also be mounted on the inclined surface of the glass crystal 52.
  • the diaphragm 53 can be mounted on the inclined surface f1 of the glass crystal 52.
  • the optical fiber is specifically used to pass through the opening K1.
  • the first optical signal is transmitted to the inclined surface f2 of the glass crystal 52 in the cavity; the glass crystal 52 is used to transmit the first optical signal received by the inclined surface f2 to the diaphragm 53 through the inclined surface f1; so that the diaphragm 53 will The first optical signal is reflected to the inclined surface f1 of the glass crystal 52 .
  • the diaphragm 53 is specifically used to transmit the fourth optical signal to the inclined surface f1 of the glass crystal 52; the glass crystal 52 is also used to transmit the fourth optical signal received by the inclined surface f1 to the optical fiber in the opening K1 through the inclined surface f2. , so that the light Output the fourth optical signal.
  • the diaphragm 53 and the reflective structure S4 are mounted on the inclined surface f1 of the glass crystal 52.
  • the mounting positions of the diaphragm 53 and the reflective structure S4 are different.
  • the diaphragm 53 is mounted on the inclined surface f1 of the glass crystal 52.
  • the reflective structure S4 is mounted on the inclined surface f1 of the glass crystal 52 in the second position.
  • the mounting positions of the diaphragm 53 and the reflective structure S4 must ensure that the optical signal is transmitted in the bidirectional optical component 50 .
  • the wavelength range of the optical signal that the diaphragm 53 in the bidirectional optical component 50 shown in Figure 10 can transmit is the wavelength range of the fourth optical signal
  • the wavelength range of the optical signal that the diaphragm 53 can reflect is the first optical signal.
  • the wavelength range of the optical signal that the diaphragm 54 can transmit is the first wavelength range
  • the wavelength range of the optical signal that the diaphragm 54 can reflect is the second wavelength range.
  • a reflective structure S1 and a reflective structure S2 are also provided in the cavity.
  • the diaphragm 54 is specifically used to transmit the second optical signal to the reflective structure S1;
  • the reflective structure S1 is used to reflect the second optical signal to the light receiving component ROSA1 of the opening K2.
  • the reflective structure S2 is used to reflect the third optical signal received by the inclined surface f2 to the light receiving component ROSA2 of the opening K3;
  • the light receiving component ROSA2 is specifically used to receive the third optical signal reflected by the reflective structure S2.
  • the installation positions of the light receiving component ROSA1 and the light receiving component ROSA2 in the bidirectional optical component 50 can be changed.
  • the light receiving component ROSA1 and the light receiving component ROSA2 can be both disposed in The first end of the inclined surface f2 (or the inclined surface f1) may be the lower end of the inclined surface f2 (or the inclined surface f1) according to the placement position of the bidirectional optical component 50 shown in FIG. 10 .
  • both the light receiving component ROSA1 and the light receiving component ROSA2 can be disposed at the second end of the inclined surface f2 (or the inclined surface f1). According to the placement position of the bidirectional optical component 50 shown in FIG.
  • the second end It may be the upper end of the inclined surface f2 (or the inclined surface f1).
  • the light-receiving element ROSA1 can be arranged at the first end of the inclined surface f2 (or the inclined surface f1), and the light-receiving elements ROSA2 can be arranged at the second end of the inclined surface f2 (or the inclined surface f1), or the light-receiving element ROSA1 can be arranged at the second end of the inclined surface f2 (or the inclined surface f1).
  • the receiving element ROSA1 is arranged at the second end of the inclined surface f2 (or the inclined surface f1), and the light receiving elements ROSA2 are both arranged at the first end of the inclined surface f2 (or the inclined surface f1).
  • the embodiments of the present application do not limit the placement positions of the light receiving component ROSA1 and the light receiving component ROSA2.
  • the light-receiving component ROSA1 shown in FIG. 10 is disposed at the second end of the inclined surface f2 (or the inclined surface f1), and the light-receiving components ROSA2 are both disposed at the first end of the inclined surface f2 (or the inclined surface f1).
  • the bidirectional optical component 50 can transmit optical signals in three different wavelength ranges to the corresponding optical receiving component ROSA respectively.
  • the bidirectional optical component 50 shown in Figure 11 is also provided with an opening K5 on the housing 51, wherein the optical receiving component ROSA3 is coupled within the opening K5; A diaphragm 55 is also provided in the cavity.
  • the process of outputting the fourth optical signal by the bidirectional optical component 50 shown in FIG. 11 is consistent with the process of outputting the fourth optical signal by the bidirectional optical component 50 shown in FIG. 10 , and will not be described again here.
  • the optical fiber is used to transmit the first optical signal from the opening K1 to the diaphragm 53 in the cavity; the diaphragm 53 is used to reflect the first optical signal to the glass crystal.
  • the inclined surface f1 of 52; the glass crystal 52 is used to transmit the first optical signal received from the inclined surface f1 to the inclined surface f2; the diaphragm 54 is used to transmit the first wavelength of the first optical signal received by the inclined surface f2
  • the second optical signal within the range is transmitted to the light receiving component ROSA1 of the opening K2.
  • the diaphragm 54 is also used to reflect the third optical signal in the second wavelength range from the first optical signal received by the inclined surface f2 to the inclined surface f1; the reflective structure S4 is used to reflect the third light received by the inclined surface f1.
  • the signal is reflected to the inclined surface f2; the diaphragm 55 is used to transmit the fifth optical signal in the third wavelength range among the third optical signals received by the inclined surface f2 to the light receiving component ROSA3 of the opening K5; the diaphragm 55 is also It is used to reflect the sixth optical signal in the fourth wavelength range to the inclined surface f1 among the third optical signals received by the inclined surface f2; the reflective structure S4 is also used to reflect the sixth optical signal received by the inclined surface f1 to the inclined surface.
  • Surface f2, light receiving component ROSA2, is used to receive the sixth optical signal output from the inclined surface f2.
  • the wavelength range of the optical signal that the diaphragm 53 in the bidirectional optical component 50 shown in FIG. 11 can transmit is the wavelength range of the fourth optical signal
  • the wavelength range of the optical signal that the diaphragm 53 can reflect is the first optical signal.
  • the wavelength range; the wavelength range of the optical signal that the diaphragm 54 can transmit is the first wavelength range
  • the wavelength range of the optical signal that the diaphragm 54 can reflect is the second wavelength range
  • the second wavelength range includes the third wavelength range and the fourth wavelength range.
  • Wavelength range; the wavelength range of the optical signal that the diaphragm 55 can transmit is the third wavelength range
  • the wavelength range of the optical signal that the diaphragm 55 can reflect is the fourth wavelength range.
  • a cavity is also provided with Reflective structure S1, reflective structure S2 and reflective structure S3.
  • the diaphragm 54 is specifically used to transmit the second optical signal to the reflective structure S1; the reflective structure S1 is used to reflect the second optical signal to the light receiving component ROSA1 of the opening K2.
  • the diaphragm 55 is specifically used to transmit the fifth optical signal to the reflective structure S3; the reflective structure S3 is used to reflect the fifth optical signal to the light receiving component ROSA3 of the opening K5; the reflective structure S2 is used to receive the inclined surface f2 The sixth optical signal is reflected to the light receiving component ROSA2 of the opening K3; the light receiving component ROSA2 is specifically used to receive the sixth optical signal reflected by the reflective structure S2.
  • the bidirectional optical component 50 includes a housing 51 having a cavity; the housing 51 is provided with a The openings K1, K2, K3 and K4 are connected to the cavity.
  • the opening K1 is coupled with an optical fiber
  • the opening K2 is coupled with the light receiving component ROSA1
  • the opening K3 is coupled with the light receiving component ROSA2
  • the opening K4 is coupled with Light sending assembly TOSA
  • a diaphragm 53, a diaphragm 54 and a glass crystal 52 are provided in the cavity.
  • the glass crystal 52 includes an inclined surface f1 and an inclined surface f2 arranged relatively parallel to each other.
  • a reflective structure S4 is also provided in the cavity of the bidirectional optical component 50 shown in FIG. 12 .
  • What is shown in FIG. 12 is only a cross-sectional view of the bidirectional optical component 50 along the light transmission direction.
  • the opening K1 is provided at the first end of the inclined surface f1 (or the inclined surface f2)
  • the opening K4 is provided at the second end of the inclined surface f1 (or the inclined surface f2).
  • the first end of the inclined surface f1 (or inclined surface f2) is the right end of the inclined surface f1 (or inclined surface f2), and the second end of the inclined surface f1 (or inclined surface f2) The end is the left end of the inclined surface f1 (or the inclined surface f2).
  • the optical fiber is used to transmit the first optical signal from the opening K1 to the diaphragm 53 in the cavity; the diaphragm 53 is used to reflect the first optical signal to the glass.
  • the inclined surface f1 of the crystal 52; the glass crystal 52 is used to transmit the first optical signal received by the inclined surface f1 to the inclined surface f2; the diaphragm 54 is used to transmit the first wavelength of the first optical signal received by the inclined surface f2
  • the second optical signal within the range is transmitted to the light receiving component ROSA1 of the opening K2.
  • the diaphragm 54 is also used to reflect the third optical signal in the second wavelength range from the first optical signal received by the inclined surface f2 to the inclined surface f1; the reflective structure S4 is used to reflect the third light received by the inclined surface f1.
  • the signal is reflected to the inclined surface f2; the light receiving component ROSA2 is used to receive the third optical signal output by the inclined surface f2.
  • the reflective structure S4 reflects the third optical signal received by the inclined surface f1 to the inclined surface f2
  • the reflective structure S4 is mounted on the inclined surface f1 of the glass crystal 52, for example, on the inclined surface f1 of the glass crystal 52
  • the reflective film is coated to form the reflective structure S4.
  • the mounting position of the reflective structure S4 needs to reflect the third optical signal, and the reflective structure S4 covers part of the inclined surface f1 of the glass crystal 52 .
  • the optical sending component TOSA is used to transmit the fourth optical signal from the opening K4 to the diaphragm 53 in the cavity.
  • the diaphragm 53 is also used to transmit the fourth optical signal. Transmit to the optical fiber in the opening K1, so that the optical fiber outputs the fourth optical signal.
  • the diaphragm 53 will not be mounted on the inclined surface of the glass crystal 52.
  • An inclined surface can be provided in the cavity, and the diaphragm 53 can be mounted on the inclined surface.
  • a reflective structure S5 is also provided in the cavity; a diaphragm 53 is specifically used to reflect the first optical signal to the reflective structure S5; the reflective structure S5 is used to reflect the first optical signal to the inclined surface of the glass crystal 52 f1.
  • a seventh bracket can be provided on the inclined surface f1 of the glass crystal 52, the reflective structure S5 is installed on the seventh bracket, and the reflective structure S5 is integrated with the glass crystal 52; or; an eighth bracket is provided in the cavity, The reflective structure S5 is installed on the eighth bracket, and the reflective structure S5 is not integrated with the glass crystal 52 .
  • the embodiment of the present application does not limit whether the reflective structure S5 is integrated with the glass crystal 52 .
  • the reflective structure S5 may be a reflective film, a reflective surface, a reflective mirror, etc., which are not limited in the embodiments of the present application.
  • the wavelength range of the optical signal that the diaphragm 53 in the bidirectional optical component 50 shown in FIG. 12 can transmit is the wavelength range of the fourth optical signal
  • the wavelength range of the optical signal that the diaphragm 53 can reflect is the first optical signal.
  • the wavelength range of the optical signal that the diaphragm 54 can transmit is the first wavelength range
  • the wavelength range of the optical signal that the diaphragm 54 can reflect is the second wavelength range.
  • a reflective structure S1 and a reflective structure S2 are also provided in the cavity.
  • the diaphragm 54 is specifically used to transmit the second optical signal to the reflective structure S1;
  • the reflective structure S1 is used to reflect the second optical signal to the light receiving component ROSA1 of the opening K2.
  • the reflective structure S2 is used to reflect the third optical signal received by the inclined surface f2 to the light receiving component ROSA2 of the opening K3;
  • the light receiving component ROSA2 is specifically used to receive the third optical signal reflected by the reflective structure S2.
  • the bidirectional optical component 50 can transmit optical signals in three different wavelength ranges to the corresponding optical receiving component ROSA respectively.
  • the bidirectional optical assembly 50 shown in Figure 14 is also provided with an opening K5 on the housing 51, wherein the opening K5 is coupled with the light receiving component ROSA3; A diaphragm 55 is also provided in the cavity.
  • the process of outputting the fourth optical signal by the bidirectional optical component 50 shown in FIG. 14 is consistent with the process of outputting the fourth optical signal by the bidirectional optical component 50 shown in FIG. 12 , and will not be described again here.
  • the optical fiber is used to transmit the first optical signal from the opening K1 to the diaphragm 53 in the cavity; the diaphragm 53 is used to reflect the first optical signal to the glass crystal The inclined surface f1 of 52; the glass crystal 52 is used to transmit the first optical signal received by the inclined surface f1 to the inclined surface f2; the diaphragm 54 is used to transmit the first wavelength range of the first optical signal received by the inclined surface f2 The second optical signal within The light receiving component ROSA1 transmitted to the opening K2.
  • the diaphragm 54 is also used to reflect the third optical signal in the second wavelength range from the first optical signal received by the inclined surface f2 to the inclined surface f1; the reflective structure S4 is used to reflect the third light received by the inclined surface f1.
  • the signal is reflected to the inclined surface f2; the diaphragm 55 is used to transmit the fifth optical signal in the third wavelength range among the third optical signals received by the inclined surface f2 to the light receiving component ROSA3 of the opening K5; the diaphragm 55 is also It is used to reflect the sixth optical signal in the fourth wavelength range to the inclined surface f1 among the third optical signals received by the inclined surface f2; the reflective structure S4 is also used to reflect the sixth optical signal received by the inclined surface f1 to the inclined surface.
  • Surface f2, light receiving component ROSA2, is used to receive the sixth optical signal output from the inclined surface f2.
  • the wavelength range of the optical signal that the diaphragm 53 in the bidirectional optical component 50 shown in FIG. 11 can transmit is the wavelength range of the fourth optical signal
  • the wavelength range of the optical signal that the diaphragm 53 can reflect is the first optical signal.
  • the wavelength range; the wavelength range of the optical signal that the diaphragm 54 can transmit is the first wavelength range
  • the wavelength range of the optical signal that the diaphragm 54 can reflect is the second wavelength range
  • the second wavelength range includes the third wavelength range and the fourth wavelength range.
  • Wavelength range; the wavelength range of the optical signal that the diaphragm 55 can transmit is the third wavelength range
  • the wavelength range of the optical signal that the diaphragm 55 can reflect is the fourth wavelength range.
  • the opening K2 , the opening K3 and the opening K5 are all opposite to the inclined surface f2 , by setting the positions of the diaphragm 53 , the reflective structure S5 , the reflective structure S4 , the glass crystal 52 , the diaphragm 54 and the diaphragm 55 , so that the second optical signal transmitted by the diaphragm 54 is exactly transmitted to the light receiving component ROSA1, so that the fifth optical signal transmitted by the diaphragm 55 is exactly transmitted to the light receiving component ROSA3, and the sixth optical signal reflected by the reflective structure S4 passes through the glass After the inclined surface f2 of the crystal 52 is emitted, it is transmitted to the light receiving component ROSA2.
  • relatively few reflective structures can be provided so that the optical fiber, light receiving component and light sending component are located in the housing. of different locations.
  • a cavity is also provided with Reflective structure S1, reflective structure S2 and reflective structure S3.
  • the diaphragm 54 is specifically used to transmit the second optical signal to the reflective structure S1; the reflective structure S1 is used to reflect the second optical signal to the light receiving component ROSA1 of the opening K2.
  • the diaphragm 55 is specifically used to transmit the fifth optical signal to the reflective structure S3; the reflective structure S3 is used to reflect the fifth optical signal to the light receiving component ROSA3 of the opening K5; the reflective structure S2 is used to receive the inclined surface f2 The sixth optical signal is reflected to the light receiving component ROSA2 of the opening K3; the light receiving component ROSA2 is specifically used to receive the sixth optical signal reflected by the reflective structure S2.
  • the embodiment of the present application provides a bidirectional optical component.
  • the bidirectional optical component 50 includes: a housing 51 with a cavity; the housing 51 is provided with an opening K1 that communicates with the cavity. Opening K2, opening K3 and opening K4, among which, opening K1 is coupled with optical fiber, opening K2 is coupled with light receiving component ROSA1, opening K3 is coupled with light receiving component ROSA2, opening K4 is coupled with light sending component TOSA; inside the cavity A diaphragm 53, a diaphragm 54 and a glass crystal 52 are provided.
  • the glass crystal 52 includes an inclined surface f1 and an inclined surface f2 arranged relatively parallel to each other.
  • the optical fiber is used to transmit the first optical signal from the opening K1 to the inclined surface f2 of the glass crystal 52 in the cavity; the glass crystal 52 is used to transfer the inclined surface f2
  • the received first optical signal is transmitted to the inclined surface f1;
  • the diaphragm 53 is used to transmit the second optical signal in the first wavelength range among the first optical signals received by the inclined surface f1 to the light receiving component ROSA1 of the opening K2;
  • the diaphragm 53 is also used to reflect the third optical signal in the second wavelength range from the first optical signal received by the inclined surface f1 to the inclined surface f2;
  • the diaphragm 54 is used to reflect the third light signal received by the inclined surface f2.
  • the signal is transmitted to the light receiving component ROSA2 of the opening K3.
  • the optical sending component is used to transmit the fourth optical signal from the opening K4 to the inclined surface f1 of the glass crystal 52 in the cavity; the glass crystal 52 is also used to transmit The fourth optical signal received by the inclined surface f1 is transmitted to the inclined surface f2; the diaphragm 54 is also used to reflect the fourth optical signal received by the inclined surface f2 to the inclined surface f1; the diaphragm 53 is also used to receive the inclined surface f1 The fourth optical signal is reflected to the inclined surface f2; the optical fiber is also used to output the fourth optical signal received by the inclined surface f2.
  • the wavelength range of the optical signal that the diaphragm 53 in the bidirectional optical component 50 shown in FIG. 16 can transmit is the first wavelength range
  • the wavelength range of the optical signal that the diaphragm 53 can reflect is the second wavelength range and the fourth wavelength range.
  • the wavelength range of the optical signal; the wavelength range of the optical signal that the diaphragm 54 can transmit is the second wavelength range
  • the wavelength range of the optical signal that the diaphragm 54 can reflect is the wavelength range of the fourth optical signal.
  • the glass crystal 52 is used to transmit the first optical signal received by the inclined surface f2 to the inclined surface f1; the diaphragm 53, used to transmit the second optical signal in the first wavelength range from the first optical signal received by the inclined surface f1 to the light receiving component ROSA1 of the opening K2; the diaphragm 53 is also used to receive the third optical signal received by the inclined surface f1.
  • the third optical signal in the second wavelength range is reflected to the inclined surface f2; the diaphragm 54 is used to transmit the third optical signal received by the inclined surface f2 to the light receiving component ROSA2 of the opening K3. Therefore, the The bidirectional optical component 50 can transmit the second optical signal in the first wavelength range of the first optical signal to the optical receiving component ROSA1, and transmit the third optical signal in the second wavelength range of the first optical signal to the optical receiving component ROSA2.
  • the bidirectional optical component can be connected through two diaphragms and a glass crystal.
  • the function of receiving two optical signals in different wavelength ranges has a relatively simple structure.
  • the glass crystal 52 is also used to transmit the fourth optical signal received by the inclined surface f1 to the inclined surface f2; the diaphragm 54 is also used to reflect the fourth optical signal received by the inclined surface f2 to the inclined surface f1; the diaphragm 53, is also used to reflect the fourth optical signal received by the inclined surface f1 to the inclined surface f2; the optical fiber is also used to output the fourth optical signal received by the inclined surface f2. Therefore, the bidirectional optical component 50 can also output light. signal function.
  • the diaphragm 53 reflects the third optical signal in the second wavelength range of the first optical signal received by the inclined surface f1 to the inclined surface f2, it can be seen that the diaphragm 53 is attached to the inclined surface f1 of the glass crystal 52 , since the diaphragm 54 is also used to reflect the fourth optical signal received by the inclined surface f2 to the inclined surface f1, it can be seen that the diaphragm 54 is mounted on the inclined surface f2 of the glass crystal 52, wherein the inclined surface of the glass crystal 52 The tilt angle meets the above-mentioned optical signal transmission requirements, and the tilt angle of the tilted surface of the glass crystal 52 can be controlled to a very high accuracy during production, then the diaphragm 53 and the diaphragm 54 are mounted on the glass crystal 52 At this time, the mounting angle error is ⁇ 0.2°, and there is no need to set up a slope for supporting the diaphragm 53 and a slope for supporting the diaphragm 54 in the cavity.
  • the production of the bidirectional optical component 50 will also be simpler. Among them, since the mounting angle error of the diaphragm 53 and the diaphragm 54 on the glass crystal 52 is ⁇ 0.2°, when the light splitting capabilities of the diaphragm 53 and the diaphragm 54 are relatively strong, the bidirectional optical component 50 can separate the two The optical signals with small wavelength differences are respectively transmitted to specific light receiving components, which also further improves the reception accuracy of the optical signals received by the bidirectional optical component 50 .
  • the opening K1 is opposite to the inclined surface f2, and the opening K2 is opposite to the inclined surface f1.
  • the diaphragm 53, the second optical signal transmitted to the light receiving component ROSA1 of the opening K2 may be transmitted to exactly Light receiving component ROSA1.
  • the light receiving component ROSA2 in Figure 16 is disposed on the first end of the inclined surface f2 (or the inclined surface f1).
  • the first end can be the inclined surface f2. (or the lower end of the inclined surface f1).
  • the bidirectional optical component 50 shown in FIG. 16 also has a reflective structure S1 inside the cavity.
  • the diaphragm 54 is specifically used to transmit the third optical signal to the reflective structure S1; the reflective structure S1 is used to reflect the third optical signal to the light receiving component ROSA2 of the opening K3.
  • a reflective structure S2 is also provided in the cavity.
  • the diaphragm 53 is specifically used to transmit the second optical signal to the reflective structure S2; the reflective structure S2 is used to reflect the second optical signal to the light receiving component ROSA1 of the opening K2.
  • the reflective structure S2 reflects the second optical signal to the light receiving component ROSA1 of the opening K2, and the reflective structure S1 reflects the third optical signal to the light receiving component ROSA2 of the opening K3. Then, the arrangement positions of the light-receiving component ROSA1 and the light-receiving component ROSA2 in the bidirectional optical component can be changed.
  • the light-receiving component ROSA1 and the light-receiving component ROSA2 can both be placed on the first side of the inclined plane f2 (or the inclined plane f1).
  • the first end may be the lower end of the inclined surface f2 (or the inclined surface f1) according to the placement position of the bidirectional optical component 50 shown in FIG. 17 .
  • both the light receiving component ROSA1 and the light receiving component ROSA2 can be disposed at the second end of the inclined surface f2 (or the inclined surface f1).
  • the second end It may be the upper end of the inclined surface f2 (or the inclined surface f1).
  • the light-receiving element ROSA1 can be arranged at the first end of the inclined surface f2 (or the inclined surface f1), and the light-receiving elements ROSA2 can be arranged at the second end of the inclined surface f2 (or the inclined surface f1), or the light-receiving element ROSA1 can be arranged at the second end of the inclined surface f2 (or the inclined surface f1).
  • the receiving element ROSA1 is arranged at the second end of the inclined surface f2 (or the inclined surface f1), and the light receiving elements ROSA2 are both arranged at the first end of the inclined surface f2 (or the inclined surface f1).
  • the embodiments of the present application do not limit the placement positions of the light receiving component ROSA1 and the light receiving component ROSA2.
  • the light-receiving element ROSA1 shown in FIG. 17 is arranged at the second end of the inclined surface f2 (or the inclined surface f1), and the light-receiving element ROSA2 is arranged at the first end of the inclined surface f2 (or the inclined surface f1).
  • the bidirectional optical component 50 can transmit optical signals in three different wavelength ranges to the corresponding optical receiving component ROSA respectively.
  • the bidirectional optical assembly 50 shown in Figure 18 is also provided with an opening K5 on the housing 51, wherein the opening K5 is coupled with the light receiving component ROSA3; A diaphragm 55 is also provided in the cavity.
  • the process of outputting the fourth optical signal by the bidirectional optical component 50 shown in FIG. 18 is consistent with the process of outputting the fourth optical signal by the bidirectional optical component 50 shown in FIG. 17 , and will not be described again here.
  • the optical fiber is used to transmit the first optical signal from the opening K1 to the inclined surface f2 of the glass crystal 52 in the cavity; the glass crystal 52 is used to transfer the inclined surface f2
  • the received first optical signal is transmitted to the inclined surface f1;
  • the diaphragm 53 is used to transmit the second optical signal in the first wavelength range among the first optical signals received by the inclined surface f1 to the light receiving component ROSA1 of the opening K2;
  • the diaphragm 53 is also used to reflect the third optical signal in the second wavelength range from the first optical signal received by the inclined surface f1 to the inclined surface f2; the diaphragm 54 is specifically used to reflect the third optical signal received by the inclined surface f2.
  • the fifth optical signal in the third wavelength range is transmitted to the light receiving component ROSA2 of the opening K3; the diaphragm 54 is also used to receive the sixth light in the fourth wavelength range among the third optical signals received by the inclined surface f2. The signal is reflected to the inclined surface f1; the diaphragm 55 is used to transmit the sixth optical signal to the light receiving component ROSA3 of the opening K5.
  • the wavelength range of the optical signal that the diaphragm 53 in the bidirectional optical component 50 shown in FIG. 18 can transmit is the first wavelength range
  • the wavelength range of the optical signal that the diaphragm 53 can reflect is the second wavelength range and the fourth wavelength range.
  • the wavelength range of the optical signal; the optical signal that the diaphragm 54 can transmit is the third wavelength range
  • the wavelength range of the optical signal that the diaphragm 54 can reflect is the fourth wavelength range and the wavelength range of the fourth optical signal
  • the wavelength range of the optical signal that the diaphragm 55 can transmit is the fourth wavelength.
  • the wavelength range of the optical signal that the diaphragm 55 can reflect is the wavelength range of the fourth optical signal.
  • the opening K1 is opposite to the inclined surface f2
  • the opening K2 is opposite to the inclined surface f1
  • the opening K5 is opposite to the inclined surface f1.
  • the diaphragm 53 transmits to the light receiving component ROSA1 of the opening K2.
  • the second optical signal may just be transmitted to the light receiving component ROSA1 and the diaphragm 55
  • the sixth optical signal transmitted to the light receiving component ROSA3 of the opening K5 may just be transmitted to the light receiving component ROSA3 .
  • the light receiving component ROSA2 in Figure 18 is disposed on the first end of the inclined surface f2 (or the inclined surface f1).
  • the first end can be the inclined surface f2. (or the lower end of the inclined surface f1).
  • the bidirectional optical component 50 shown in FIG. 18 also has a reflective structure S1 inside the cavity.
  • the diaphragm 54 is specifically used to transmit the fifth optical signal to the reflective structure S1; the reflective structure S1 is used to reflect the fifth optical signal to the light receiving component ROSA2 of the opening K3.
  • a cavity is also provided with Reflective structure S2 and reflective structure S3.
  • the diaphragm 53 is specifically used to transmit the second optical signal to the reflective structure S2; the reflective structure S2 is used to reflect the second optical signal to the light receiving component ROSA1 of the opening K2; the diaphragm 55 is specifically used to transmit the sixth light The signal is transmitted to the reflective structure S3; the reflective structure S3 is used to reflect the sixth optical signal to the light receiving component ROSA3 of the opening K5.
  • more diaphragms may be provided in the bidirectional optical assembly 50 shown in any of the figures in FIGS. 6 to 19 , and the embodiments of the present application do not limit this.
  • an optical module which includes a printed circuit board (PCB) and a bidirectional optical component.
  • the bidirectional optical component can be any one of Figures 6 to 19
  • the bidirectional optical component 50 shown in the figure is electrically connected to the PCB.
  • the light receiving component in the bidirectional optical component can be electrically connected to the PCB.
  • the light receiving component is provided with a photoelectric conversion chip and an amplifier.
  • the photoelectric conversion chip can specifically be a chip composed of a photodiode (PD) or A chip composed of a PIN diode (pindiode) or a chip composed of an avalanche photodiode (APD).
  • the photoelectric conversion chip converts the received optical signal into an electrical signal and transmits the electrical signal to the amplifier, which amplifies the electrical signal. , transmit the amplified electrical signal to the PCB; and/or; it can also be that the optical sending component in the bidirectional optical component is electrically connected to the PCB, and the optical sending component includes an electro-optical conversion chip, and the electro-optical conversion chip can specifically be a laser diode ( A chip composed of laser diode (LD), in which the electro-optical conversion chip receives the electrical signal carrying the transmission information transmitted by the PCB, converts the electrical signal into an optical signal, and then outputs the optical signal through a bidirectional optical component.
  • a chip composed of laser diode (LD) in which the electro-optical conversion chip receives the electrical signal carrying the transmission information transmitted by the PCB, converts the electrical signal into an optical signal, and then outputs the optical signal through a bidirectional optical component.
  • the above-mentioned optical module can be disposed in the OLT 11 shown in Figure 4.
  • the above-mentioned optical module can also be disposed in any communication device that needs to receive multiple different wavelengths.
  • the embodiments of the present application do not limit this.

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Abstract

一种双向光组件（50）以及光模块，包括：光纤，用于从向腔体中的第一膜片（53）传输第一光信号；第一膜片（53），用于将第一光信号反射至玻璃晶体（52）的第一倾斜面（f1）；玻璃晶体（52），用于将第一光信号传输至第二倾斜面（f2）；第二膜片（54），用于将第一光信号中第一波长范围内的第二光信号透射至第一光接收组件（ROSA1）；第二膜片（54），还用于将第一光信号中第二波长范围内的第三光信号反射至第一倾斜面（f1）；第二光接收组件（ROSA2），用于接收第一倾斜面（f1）输出的第三光信号；光发送组件（TOSA），用于从向腔体中的第一膜片（53）传输第四光信号；第一膜片（53），还用于将第四光信号透射至光纤。该双向光组件（50）可以实现对多个不同波长的光信号的接收，且结构比较简单，接收准确度高。

Description

双向光组件以及光模块
本申请要求于2022年9月9日提交中国国家知识产权局、申请号为202211105439.1、申请名称为“双向光组件以及光模块”的中国专利申请的优先权，以及要求于2022年12月9日提交中国国家知识产权局、申请号为202211586729.2、申请名称为“双向光组件以及光模块”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及光通信技术领域，尤其是涉及一种双向光组件以及光模块。
背景技术
光纤通信系统是目前的主流通信系统，在光纤通信系统中，接入网(access network，AN)的接入方式为光纤接入(FTTx)，常见的可以实现光纤接入的有光纤无源光网络(passive optical network，PON)，其中，PON包括设置于中心控制站的光线路终端(optical line terminal，OLT)以及设置于用户侧的光网络单元(optical network unit，ONU)或光网络终端(optical network terminal,ONT)等。其中，ONU(或ONT)与OLT中均包括双向光组件(bidirectional optical sub-assembly，BOSA)，ONU(或ONT)中的双向光组件用于接收OLT传输至用户侧的光信号，也用于发送ONU(或ONT)生成的光信号至OLT，OLT中的双向光组件用于接收ONU(或ONT)传输至中心控制站的光信号，也用于发送中心控制站生成的光信号至ONU(或ONT)。
其中，不同的ONU(或ONT)可以向OLT发送不同波长的光信号，那么OLT中的双向光组件就需要实现对多个不同波长的光信号的接收，而现有的双向光组件在实现对多个不同波长的光信号的接收时，往往结构复杂且接收准确度有限。
发明内容
本申请提供了一种双向光组件以及光模块，该双向光组件可以实现对多个不同波长的光信号的接收，且结构比较简单，接收准确度高。
第一方面，提供了一种双向光组件，包括：具有腔体的外壳；外壳上设置有与腔体连通的第一开口、第二开口、第三开口以及第四开口，其中，第一开口内耦合有光纤，第二开口内耦合有第一光接收组件，第三开口内耦合有第二光接收组件，第四开口内耦合有光发送组件；腔体内设置有第一膜片、第二膜片和玻璃晶体，玻璃晶体包括相对平行设置的第一倾斜面与第二倾斜面；光纤，用于从第一开口向腔体中的第一膜片传输第一光信号；第一膜片，用于将第一光信号反射至玻璃晶体的第一倾斜面；玻璃晶体，用于将第一倾斜面接收的第一光信号传输至第二倾斜面；第二膜片，用于将第二倾斜面接收的第一光信号中，第一波长范围内的第二光信号透射至第二开口的第一光接收组件；第二膜片，还用于将第二倾斜面接收的第一光信号中，第二波长范围内的第三光信号反射至第一倾斜面；第二光接收组件，用于接收第一倾斜面输出的第三光信号；光发送组件，用于从第四开口向腔体中的第一膜片传输第四光信号；第一膜片，还用于将第四光信号透射至第一开口中的光纤。在该双向光组件中，首先，由于设置有第一膜片、第二膜片和玻璃晶体，第一膜片将接收的第一光信号反射至玻璃晶体的第一倾斜面；玻璃晶体，用于将第一倾斜面接收的第一光信号传输至第二倾斜面；第二膜片，用于将第二倾斜面接收的第一光信号中，第一波长范围内的第二光信号透射至第二开口的第一光接收组件，第二膜片，还用于将第二倾斜面接收的第一光信号中，第二波长范围内的第三光信号反射至第一倾斜面，第二光接收组件，用于接收第一倾斜面输出的第三光信号，因此，该双向光组件可以将第一光信号中第一波长范围内的第二光信号传输至第一光接收组件，将第一光信号中第二波长范围内的第三光信号传输至第二光接收组件，实现接收不同波长范围的两个光信号的功能，且该双向光组件通过两个膜片以及一个玻璃晶体即可实现接收不同波长范围的两个光信号的功能，结构相 对简单。其次，由于第一膜片，还用于将光发送组件传输的第四光信号透射至第一开口中的光纤，因此，该双向光组件也可以实现输出光信号的功能。再次，由于第二膜片，将第二倾斜面接收的第一光信号中，第二波长范围内的第三光信号反射至第一倾斜面，可知第二膜片是贴装于玻璃晶体的第二倾斜面上，其中，玻璃晶体的倾斜面的倾斜角度满足上述的光信号的传输要求，且玻璃晶体在制作时其倾斜面的倾斜角度的精度可以控制的很高，那么在将第二膜片贴装于玻璃晶体上时，其贴装的角度误差为±0.2°，且不需要在腔体内设置制作支撑第二膜片的斜面，该双向光组件的制作也将更简单。其中，由于第二膜片贴装在玻璃晶体上的贴装角度误差为±0.2°，那么在第二膜片的分光能力比较强时，双向光组件可以将两个波长差较小的光信号分别传输至特定的光接收组件中，也使得双向光组件接收光信号的接收准确度进一步提升。
可选的，腔体内还设置有第一反射结构与第二反射结构；第二膜片，具体用于将第二光信号透射至第一反射结构；第一反射结构，用于将第二光信号反射至第二开口的第一光接收组件；第二反射结构，用于将第一倾斜面接收的第三光信号反射至第三开口的第二光接收组件；第二光接收组件，具体用于接收第二反射结构反射的第三光信号。在该可选方式中，在腔体中设置第一反射结构与第二反射结构时，第一反射结构将第二光信号反射至第二开口的第一光接收组件，第二反射结构将第三光信号反射至第三开口的第二光接收组件，那么，双向光组件中的第一光接收组件与第二光接收组件的设置位置将可以改变，以使得双向光组件可以根据不同需求调整不同的接收光组件的位置。
可选的，外壳上还设置有第五开口，其中，第五开口内耦合第三光接收组件；腔体中还设置有第三膜片；第三膜片，用于将第一倾斜面接收的第三光信号中，第三波长范围内的第五光信号透射至第三开口的第二光接收组件；第二光接收组件，具体用于接收第五光信号；第三膜片，还用于将第一倾斜面接收的第三光信号中，第四波长范围内的第六光信号反射至第二倾斜面；第三光接收组件，用于接收第二倾斜面输出的第六光信号。在该可选方式中，通过向双向光组件中增加第三膜片，当第三光信号被第二膜片反射至第一倾斜面时，第三膜片将第一倾斜面接收的第三光信号中，第三波长范围内的第五光信号透射至第三开口的第二光接收组件，第三膜片将第一倾斜面接收的第三光信号中，第四波长范围内的第六光信号反射至第二倾斜面，进而将第三光信号中不同波长范围的光信号传输至不同的光接收组件中，使得双向光组件可接收的三个不同波长的光信号。
可选的，腔体内还设置有第一反射结构、第二反射结构与第三反射结构；第二膜片，具体用于将第二光信号透射至第一反射结构；第一反射结构，用于将第二光信号反射至第二开口的第一光接收组件；第三膜片，具体用于将第五光信号透射至第二反射结构；第二反射结构，用于将第五光信号反射至第三开口的第二光接收组件；第三反射结构，用于将第二倾斜面接收的第六光信号反射至第五开口的第三光接收组件；第三光接收组件，具体用于接收第三反射结构反射的第六光信号。在该可选方式中，在腔体中设置第一反射结构、第二反射结构与第三反射结构时，第一反射结构将第二光信号反射至第二开口的第一光接收组件，第二反射结构将第五光信号反射至第三开口的第二光接收组件，第三反射结构将第六光信号反射至第五开口的第三光接收组件，因此，双向光组件中的第一光接收组件、第二光接收组件以及第三光接收组件的设置位置将可以改变，以使得双向光组件可以根据不同需求调整不同的接收光组件的位置。
可选的，腔体内还设置有第四膜片以及反射片；第四膜片，用于将第一倾斜面接收的第三光信号中，第五波长范围内的第七光信号反射至第二倾斜面；第四膜片，还用于将第一倾斜面接收的第三光信号中，第六波长范围内的第八光信号透射；反射片，用于将第二倾斜面接收的第七光信号反射至第一倾斜面；第二光接收组件，用于接收第一倾斜面输出的第七光信号。在该可选方式中，由于设置有第四膜片，那么在第二膜片反射的第三光信号中，既包括第二光接收组件需要接收第五波长范围内的第七光信号，又包括第六波长范围的第八光信号时，第四膜片将第一倾斜面接收的第三光信号中，第五波长范围内的第七光信号反射至第二倾斜面；第四膜片将第一倾斜面接收的第三光信号中，第六波长范围内的第八光信号透射；反射片将第二倾斜面接收的第七光信号反射至第一倾斜面；第二光接收组件，用于接收第一倾斜面输出的第七光信号，进而使得第二光接收组件不会接收到第六波长范围内的第八光信号，提升第二光接收组件接收到的光信号的波长纯净度。
可选的，腔体内还设置有第四膜片以及反射片；反射片，用于将第一倾斜面接收的第三光信号反射至第二倾斜面；第四膜片，用于将第二倾斜面接收的第三光信号中，第五波长范围内的第七光信号反射至第一倾斜面；第四膜片，还用于将第二倾斜面接收的第三光信号中，第六波长范围内的第八光信号透射；第 二光接收组件，用于接收第一倾斜面输出的第七光信号。在该可选方式中，由于设置有第四膜片，那么在第二膜片反射的第三光信号中，既包括第二光接收组件需要接收第五波长范围内的第七光信号，又包括第六波长范围的第八光信号时，反射片将第一倾斜面接收的第三光信号反射至第二倾斜面；第四膜片将第二倾斜面接收的第三光信号中，第五波长范围内的第七光信号反射至第一倾斜面；第四膜片将第二倾斜面接收的第三光信号中，第六波长范围内的第八光信号透射；第二光接收组件，用于接收第一倾斜面输出的第七光信号，进而使得第二光接收组件不会接收到第六波长范围内的第八光信号，提升第二光接收组件接收到的光信号的波长纯净度。
可选的，腔体内还设置有第一反射结构与第二反射结构；第二膜片，具体用于将第二光信号透射至第一反射结构；第一反射结构，用于将第二光信号反射至第二开口的第一光接收组件；第二反射结构，用于将第一倾斜面接收的第七光信号反射至第三开口的第二光接收组件；第二光接收组件，具体用于接收第二反射结构反射的第七光信号。可选的，腔体内还设置有第四反射结构；第四反射结构，用于将第一倾斜面接收的第三光信号反射至第二倾斜面；第二光接收组件，具体用于接收第二倾斜面输出的第三光信号。
可选的，腔体内还设置有第一反射结构与第二反射结构；第二膜片，具体用于将第二光信号透射至第一反射结构；第一反射结构，用于将第二光信号反射至第二开口的第一光接收组件；第二反射结构，用于将第二倾斜面接收的第三光信号反射至第三开口的第二光接收组件；第二光接收组件，具体用于接收第二反射结构反射的第三光信号。
可选的，外壳上还设置有第五开口，其中，第五开口内耦合第三光接收组件；腔体中还设置有第三膜片；第三膜片，用于将第二倾斜面接收的第三光信号中，第三波长范围内的第五光信号透射至第五开口的第三光接收组件；第三膜片，还用于将第二倾斜面接收的第三光信号中，第四波长范围内的第六光信号反射至第一倾斜面；第四反射结构，还用于将第一倾斜面接收的第六光信号反射至第二倾斜面；第二光接收组件，具体用于接收第二倾斜面输出的第六光信号。
可选的，腔体内还设置有第一反射结构、第二反射结构以及第三反射结构；第二膜片，具体用于将第二光信号透射至第一反射结构；第一反射结构，用于将第二光信号反射至第二开口的第一光接收组件；第三膜片，具体用于将第五光信号透射至第三反射结构；第三反射结构，用于将第五光信号反射至第五开口的第三光接收组件；第二反射结构，用于将第二倾斜面接收的第六光信号反射至第三开口的第二光接收组件；第二光接收组件，具体用于接收第二反射结构反射的第六光信号。
可选的，光纤，具体用于从第一开口向腔体中的玻璃晶体的第二倾斜面传输第一光信号；玻璃晶体，用于将第二倾斜面接收的第一光信号通过第一倾斜面传输至第一膜片；第一膜片，具体用于将第四光信号透射至玻璃晶体的第一倾斜面；玻璃晶体，还用于将第一倾斜面接收的第四光信号通过第二倾斜面传输至第一开口中的光纤。
可选的，腔体内还设置有第五反射结构；第一膜片，具体用于将第一光信号反射至第五反射结构；第五反射结构，用于将第一光信号反射至玻璃晶体的第一倾斜面。
第二方面，提供了一种双向光组件，包括：具有腔体的外壳；外壳上设置有与腔体连通的第一开口、第二开口、第三开口以及第四开口，其中，第一开口内耦合有光纤，第二开口内耦合有第一光接收组件，第三开口内耦合有第二光接收组件，第四开口内耦合有光发送组件；腔体内设置有第一膜片、第二膜片和玻璃晶体，玻璃晶体包括相对平行设置的第一倾斜面与第二倾斜面；光纤，用于从第一开口向腔体中的玻璃晶体的第二倾斜面传输第一光信号；玻璃晶体，用于将第二倾斜面接收的第一光信号传输至第一倾斜面；第一膜片，用于将第一倾斜面接收的第一光信号中，第一波长范围内的第二光信号透射至第二开口的第一光接收组件；第一膜片，还用于将第一倾斜面接收的第一光信号中，第二波长范围内的第三光信号反射至第二倾斜面；第二膜片，用于将第二倾斜面接收的第三光信号透射至第三开口的第二光接收组件；光发送组件，用于从第四开口向腔体中的玻璃晶体的第一倾斜面传输第四光信号；玻璃晶体，还用于将第一倾斜面接收的第四光信号传输至第二倾斜面；第二膜片，还用于将第二倾斜面接收的第四光信号反射至第一倾斜面；第一膜片，还用于将第一倾斜面接收的第四光信号反射至第二倾斜面；光纤，还用于将第二倾斜面接收的第四光信号输出。在上述的双向光组件中，首先，由于设置有第一膜片、第二膜片和玻璃晶体，玻璃晶体，用于将第二倾斜面接收的第一光信号传输至第一倾斜面；第一膜片，用于将第一倾斜面接收的第一光信号中，第一波长范围内的第二光信号透射至第二开口的第一光接收组件；第一膜片，还用于将第一 倾斜面接收的第一光信号中，第二波长范围内的第三光信号反射至第二倾斜面；第二膜片，用于将第二倾斜面接收的第三光信号透射至第三开口的第二光接收组件，因此，该双向光组件可以将第一光信号中第一波长范围内的第二光信号传输至第一光接收组件，将第一光信号中第二波长范围内的第三光信号传输至第二光接收组件，实现接收不同波长范围的两个光信号的功能，且该双向光组件通过两个膜片以及一个玻璃晶体即可实现接收不同波长范围的两个光信号的功能，结构相对简单。其次，玻璃晶体，还用于将第一倾斜面接收的第四光信号传输至第二倾斜面；第二膜片，还用于将第二倾斜面接收的第四光信号反射至第一倾斜面；第一膜片，还用于将第一倾斜面接收的第四光信号反射至第二倾斜面；光纤，还用于将第一倾斜面接收的第四光信号输出，因此，该双向光组件也可以实现输出光信号的功能。再次，由于第一膜片，将第一倾斜面接收的第一光信号中，第二波长范围内的第三光信号反射至第二倾斜面，可知第一膜片是贴装于玻璃晶体的第一倾斜面上，由于第二膜片，还用于将第二倾斜面接收的第四光信号反射至第一倾斜面，可知第二膜片是贴装于玻璃晶体的第二倾斜面上,其中，玻璃晶体的倾斜面的倾斜角度满足上述的光信号的传输要求，且玻璃晶体在制作时其倾斜面的倾斜角度的精度可以控制的很高，那么在将第一膜片与第二膜片贴装于玻璃晶体上时，其贴装的角度误差为±0.2°，且不需要在腔体内设置制作支撑第一膜片的斜面以及支撑第二膜片的斜面，该双向光组件的制作也将更简单。其中，由于第一膜片与第二膜片贴装在玻璃晶体上的贴装角度误差为±0.2°，那么在第一膜片与第二膜片的分光能力比较强时，双向光组件可以将两个波长差较小的光信号分别传输至特定的光接收组件中，也使得双向光组件接收光信号的接收准确度进一步提升。
可选的，腔体内还设置有第一反射结构；第二膜片，具体用于将第三光信号透射至第一反射结构；第一反射结构，用于将第三光信号反射至第三开口的第二光接收组件。在该可选方式中，在腔体中设置第一反射结构，第一反射结构将第三光信号反射至第三开口的第二光接收组件，那么，双向光组件中的第二光接收组件的设置位置将可以改变，以使得双向光组件可以根据不同需求调整第二接收光组件的位置。
可选的，腔体内还设置有第二反射结构；第一膜片，具体用于将第二光信号透射至第二反射结构；第二反射结构，用于将第二光信号反射至第二开口的第一光接收组件。在该可选方式中，在腔体中设置第二反射结构时，第二反射结构将第二光信号反射至第二开口的第一光接收组件，那么，双向光组件中的第一光接收组件的设置位置将可以改变，以使得双向光组件可以根据不同需求调整第一接收光组件的位置。
可选的，外壳上还设置有第五开口，其中，第五开口内耦合第三光接收组件；腔体中还设置有第三膜片；第二膜片，具体用于将第二倾斜面接收的第三光信号中，第三波长范围的第五光信号透射至第三开口的第二光接收组件；第二膜片，还用于将第二倾斜面接收的第三光信号中，第四波长范围的第六光信号反射至第一倾斜面；第三膜片，用于将第六光信号透射至第五开口的第三光接收组件。在该可选方式中，通过向双向光组件中增加第三膜片，且调整第二膜片将第三光信号中第三波长范围的第五光信号透射至第二光接收组件，将第三光信号中第四波长范围的第六光信号反射至第一倾斜面，第三膜片将第一倾斜面接收的第六光信号透射至第三光接收组件，进而将第三光信号中不同波长范围的光信号传输至不同的光接收组件中，使得双向光组件可接收的三个不同波长的光信号。
可选的，腔体内还设置有第一反射结构；第二膜片，具体用于将第五光信号透射至第一反射结构；第一反射结构，用于将第五光信号反射至第三开口的第二光接收组件。
可选的，腔体内还设置有第二反射结构以及第三反射结构；第一膜片，具体用于将第二光信号透射至第二反射结构；第二反射结构，用于将第二光信号反射至第二开口的第一光接收组件；第三膜片，具体用于将第六光信号透射至第三反射结构；第三反射结构，用于将第六光信号反射至第五开口的第三光接收组件。
第三方面，提供了一种光模块，光模块包括如上述第一方面或第二方面任一项所述的双向光组件以及印刷电路板，双向光组件与印刷电路板电连接。
附图说明
图1为本申请的实施例提供的光纤无源光网络的结构示意图；
图2为本申请的实施例提供的光纤无源光网络中的两个双向光组件通信的结构示意图；
图3为本申请的实施例提供的双向光组件的爆炸图；
图4为本申请的另一实施例提供的光纤无源光网络的结构示意图；
图5为本申请的又一实施例提供的双向光组件的结构示意图；
图6为本申请的再一实施例提供的双向光组件的结构示意图；
图7为本申请的另一实施例提供的双向光组件的结构示意图；
图8为本申请的又一实施例提供的双向光组件的结构示意图；
图9为本申请的再一实施例提供的双向光组件的结构示意图；
图10为本申请的另一实施例提供的双向光组件的结构示意图；
图11为本申请的又一实施例提供的双向光组件的结构示意图；
图12为本申请的再一实施例提供的双向光组件的结构示意图；
图13为本申请的另一实施例提供的双向光组件的结构示意图；
图14为本申请的又一实施例提供的双向光组件的结构示意图；
图15为本申请的再一实施例提供的双向光组件的结构示意图；
图16为本申请的另一实施例提供的双向光组件的结构示意图；
图17为本申请的又一实施例提供的双向光组件的结构示意图；
图18为本申请的再一实施例提供的双向光组件的结构示意图；
图19为本申请的另一实施例提供的双向光组件的结构示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。
除非另有定义，否则本文所用的所有科技术语都具有与本领域普通技术人员公知的含义相同的含义。在本申请的实施例中，“至少一个”是指一个或者多个，“多个”是指两个或两个以上。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B的情况，其中A，B可以是单数或者复数。字符“/”一般表示前后关联对象是一种“或”的关系。“以下至少一个”或其类似表达，是指的这些项中的任意组合，包括单个或复数个的任意组合。例如，a，b或c中的至少一个，可以表示：a，b，c，a和b，a和c，b和c或a、b和c，其中a、b和c可以是单个，也可以是多个。另外，在本申请的实施例中，“第一”、“第二”等字样并不对数量和次序进行限定。
此外，本申请的实施例中，“上”、“下”等方位术语是相对于附图中的部件示意置放的方位来定义的，应当理解到，这些方向性术语是相对的概念，它们用于相对于的描述和澄清，其可以根据附图中部件所放置的方位的变化而相应地发生变化。
需要说明的是，本申请的实施例中，“示例性的”或者“例如”等词用于表示作例子、例证或说明。本申请的实施例中被描述为“示例性的”或者“例如”的任何实施例或设计方案不应被解释为比其他实施例或设计方案更优选或更具优势。确切而言，使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念。
以下对本申请的实施例中的技术术语说明如下：
下行光信号：
在光通信系统中，下行光信号为中心控制站向用户侧的通信装置(例如用户侧的光网络单元(optical network unit，ONU)、光网络终端(optical network terminal,ONT)等)发送的数据。
上行光信号：
在光通信系统中，上行光信号为用户侧的通信装置(例如用户侧的光网络单元(optical network unit，ONU)、光网络终端(optical network terminal,ONT)等)向中心控制站发送的数据。
下面将结合附图，对本申请的实施例中的技术方案进行描述。
光纤通信系统已经成为目前的主流通信系统，在光纤通信系统中，接入网(access network，AN)的接入方式为光纤接入(FTTx)，该接入网也被称为光纤接入网(optical access network，OAN)，光纤接入网的光纤接入方式包括光纤到交换箱(fiber to the cabinet；FTTCab)、光纤到路边(fiber to the curb；FTTC)、光纤到大楼(fiber to the building；FTTB)及光纤到户(fiber to the home；FTTH)等。
参照图1所示，常见的可以实现光纤接入的有光纤无源光网络(passive optical network，PON)10，PON10包括设置于中心控制站的光线路终端(optical line terminal，OLT)11，以及设置于用户侧的光网络终端(optical network terminal,ONT)或光网络单元(optical network unit，ONU)等，其中，ONT与ONU设置于用户侧的不同位置，实现的功能类似，因此，在图1所示的PON10中，用户侧仅以ONU13为例进行说明，其中，图1示出了3个ONU，分别为ONU13a、ONU13b以及ONU13c。
PON10还包括连接OLT11以及ONU13的光分配网(optical distribution network，ODN)12。如图1所示，在ODN12中，包括两级分光器，其中，第一级分光器包括分光器121，分光器121包括输入端、输出端a、输出端b以及输出端c；第二级分光器包括分光器122，分光器122包括输入端、输出端a、输出端b以及输出端c。分光器121的输入端通过光纤连接至OLT11，分光器121的输出端b通过光纤连接至分光器122的输入端，分光器122的输出端a通过光纤连接至ONU13a，分光器122的输出端b通过光纤连接至ONU13b，分光器122的输出端c通过光纤连接至ONU13c。
示例性的，分光器121的输出端a可以连接至一个第二级分光器，或者，分光器121的输出端a也可以连接至一个ONU；分光器121的输出端c可以连接至一个第二级分光器，分光器121的输出端c也可以连接至一个ONU。示例性的，分光器121与分光器122还可以包括更多或更少的输出端。示例性的，ODN12中可以仅包括一级分光器，或者ODN12中可以包括三级或三级以上的多个分光器，ODN12的功能在于将OLT11的下行光信号传输至任一个ONU13中，以及将任一个ONU13的上行光信号传输至OLT11中。本申请的实施例对此ODN12中包括的分光器的数量不做限定，对每一个分光器的输出端口数量也不做限定。
在OPN10工作时，OLT11将下行光信号传输至ODN12，其中，ODN12中的分光器121的输入端接收到下行光信号，分光器121将下行光信号从分光器121的输出端b传输至分光器122的输入端，分光器122将下行光信号从分光器122的输出端a传输至ONU13a，分光器122将下行光信号从分光器122的输出端b传输至ONU13b,分光器122将下行光信号从分光器122的输出端c传输至ONU13c。
示例性的，以ONU13a为例进行说明，ONU13a接收下行光信号并且对接收到的下行光信号进行处理以获取其中的数据。
在另一些实施例中，ONU13a也可以生成需要发送至OLT11的上行光信号，在ONU13a生成上行光信号时，ONU13a将上行光信号通过分光器122的输出端a、分光器122的输入端、分光器121的输出端b、分光器121的输入端传输至OLT11。
示例性的，在图1所示的OPN10中，OLT11、ODN12与ONU13之间均是通过光纤连接，这些光纤中均可以传输上行光信号以及下行光信号，例如这些光纤可以是单芯双向光纤。并且，PON中传输的上行光信号的波长与PON中传输的下行光信号的波长不同，例如，图1中的OLT11向ONU13a传输的下行光信号的波长为λ1，ONU13a向OLT11传输的上行光信号的波长为λ2，λ1与λ2不相等。
具体的，参照图2所示，OLT11与ONU13a通过单纤双向光纤实现通信，那么就需要在OLT11中设置双向光组件(bidirectional optical sub-assembly，BOSA)110，参照图3所示，本申请的实施例提供了双向光组件110的爆炸图，其中，双向光组件110包括外壳114，外壳114上设置有三个开口，其中，外壳114的第一个开口中耦合有光发送组件(transmitting optical sub-assembly，TOSA)111，外壳114的第二个开口中耦合有光接收组件(receiving optical sub-assembly，ROSA)112，外壳114的第三个开口中通过光纤插芯115耦合有单纤双向光纤115，外壳114内形成腔体，腔体内还设置有波分复用膜片113。示例性的，OLT11与ONU13a通过单纤双向光纤实现通信，还需要在ONU13a中设置双向光组件130，其中双向光组件130的结构与图3所示的双向光组件110的结构类似，在此不赘述。双向光组件130包括光发送组件131、光接收组件132以及波分复用膜片133，双向光组件130中还包括与单向双向光纤连接的光纤插芯。
具体的，参照图2所示，光发送组件111生成波长为λ1的下行光信号，波分复用膜片113将接收的波长为λ1的下行光信号透射，通过双向光组件110的光纤插芯115传输至单纤双向光纤116，进而通过单纤双向光纤116传输至双向光组件130的光纤插芯中。双向光组件130中的波分复用膜片133将接收的波长为λ1的下行光信号反射至光接收组件132，以使得光接收组件132接收波长为λ1的下行光信号并对其进行处理。光发送组件131生成波长为λ2的上行光信号，波分复用膜片133将接收的波长为λ2的上行光信号透射，通过双向光组件130的光纤插芯传输至单纤双向光纤116，进而通过单纤双向光纤116传 输至双向光组件110的光纤插芯115中，双向光组件110中的波分复用膜片113将接收的波长为λ2的下行光信号反射至光接收组件112，以使得光接收组件112接收λ1的下行光信号并对其进行处理。
示例性的，上行光信号是由用户侧的各个ONU生成，其中，不同的ONU生成的上行光信号采用时分复用(time division multiplexing,TDM)的方式通过ODN12传输至OLT11，同一时段内只能有一个ONU向OLT11传输上行光信号，如果两个ONU同时向OLT11传输上行光信号，则会发生ONU发送冲突，OLT11不能正确接收上行光信号。
随着光信号传输速率得不断增加，PON演进出了三种类型，分别为上行光信号与下行光信号的传输速率最高可达2.5Gbps的吉比特无源光网络(gigabit-capable passive optical networks,GPON)、上行光信号与下行光信号的传输速率最高可达10Gbps的10GPON(又称为XGPON)、以及上行光信号与下行光信号的传输速率最高可达50Gbps的50GPON等等。其中，不同类型的PON的上行光信号的波长各不相同，不同类型的PON的下行光信号的波长也各不相同。参照表1所示：
表1
根据表1可知，GPON的下行光信号的波长的取值范围为1480nm-1500nm,GPON的上行光信号的波长的取值范围为1290nm-1330nm；10GPON的下行光信号的波长的取值范围为1575nm-1580nm,10GPON的上行光信号的波长的取值范围为1260nm-1280nm；50GPON的下行光信号的波长的取值范围为1340nm-1344nm,50GPON的上行光信号的波长的取值范围为1284nm-1288nm。
示例性的，随着光通信系统的发展，图1所示的PON10中往往会出现GPON、10GPON以及50GPON三种不同类型的PON共存的情形，参照图4所示，为了使得三种不同类型的PON共存，OLT11中将包括多个收发机，如图4所示，OLT11中包括收发机TRX1、收发机TRX2以及收发机TRX3，收发机TRX1为GPON的收发机，其发射的下行光信号的波长为λ1，λ1∈[1480nm,1500nm],接收的上行光信号的波长为λ2，λ2∈[1290nm，1330nm]；收发机TRX2为10GPON的收发机，其发射的下行光信号的波长为λ3，λ3∈[1575nm，1580nm]，接收的上行光信号的波长为λ4，λ4∈[1260nm，1280nm]；收发机TRX3为50GPON的收发机，其发射的下行光信号的波长为λ5，λ5∈[1340nm，1344nm]，接收的上行光信号的波长为λ6，λ6∈[1284nm，1288nm]。
示例性的，在OLT11中设置有多个收发机时，用户侧的ONU可以选择与OLT11中的任一个收发机通信，但是，一个ONU只能选择跟OLT11中的一个收发机通信。示例性的，例如ONU13a与TRX1通信，ONU13b与TRX2通信，ONU13c与TRX3通信。
在图4所示的PON10工作时，TRX1生成波长为λ1的下行光信号，TRX2生成波长为λ3的下行光信号，TRX3生成波长为λ5的下行光信号，OLT11通过波分复用技术(wavelength division multiplexing，WDM)将波长为λ1的下行光信号、波长为λ3的下行光信号与λ5的下行光信号合波为合波下行光信号，将合波下行光信号通过ODN12传输至ONU13a、ONU13b以及ONU13c。其中，ONU13a将接收合波下行光信号中波长为λ1的下行光信号，ONU13b将接收合波下行光信号中波长为λ3的下行光信号，ONU13c将接收合波下行光信号中波长为λ5的下行光信号。
示例性的，在图4所示OLT11接收上行光信号时，OLT11可以接收到ONU13a生成波长为λ2的上行光信号，也可以接收ONU13b生成波长为λ4的上行光信号，还可以接收ONU13c生成波长为λ6的上行光信号。在用户侧包括多个ONU时，同属于一种PON类型的ONU由于生成的上行光信号的波长相同，因此同属于一种PON类型的ONU不会同时传输上行光信号至OLT11，但是，属于不同类型的PON的ONU生成的上行光信号的波长不同，因此属于不同类型的PON的多个ONU可以同时上传上行光信号，那么OLT11将接收到的不同波长的多个上行光信号，OLT11中的双向光组件就需要实现对多个不同波长的光信号的接收。
示例性的，现有的设置于OLT11中可以实现对多个不同波长的光信号的接收的双向光组件如图5所示，其中，图5所示的双向光组件30中包括波分复用膜片31、波分复用膜片32、波分复用膜片33、波分复用膜片34、光发送组件35、光发送组件36、光接收组件37、光接收组件38、光纤插芯39。具体的，光线 插芯39中的光纤接收波长为λ2的上行光信号与波长为λ4的上行光信号，将波长为λ2的上行光信号与波长为λ4的上行光信号传输至波分复用膜片31，波分复用膜片31将波长为λ2的上行光信号反射至波分复用膜片32，波分复用膜片32将波长为λ2的上行光信号反射至光接收组件37，光接收组件37接收波长为λ2的上行光信号；波分复用膜片31将波长为λ4的光信号透射至波分复用膜片33，波分复用膜片33将波长为λ4的光信号反射至光接收组件38，光接收组件38接收波长为λ4的上行光信号。其中，光发送组件35用于生成波长λ1的下行光信号，将波长为λ1的下行光信号传输至波分复用膜片34，波分复用膜片34反射波长为λ1的下行光信号至波分复用膜片33，波分复用膜片33透射波长为λ1的下行光信号至波分复用膜片31，波分复用膜片31透射波长为λ1的下行光信号至光纤插芯39，光纤插芯39中的光纤将波长为λ1的下行光信号输出；光发送组件36用于生成波长λ3的下行光信号，将波长为λ3的下行光信号传输至波分复用膜片34，波分复用膜片34透射波长为λ3的下行光信号至波分复用膜片33，波分复用膜片33透射波长为λ3的下行光信号至波分复用膜片31，波分复用膜片31透射波长为λ3的下行光信号至光纤插芯39，光纤插芯中的光纤将波长为λ3的下行光信号输出。
其中，图5所示的双向光组件30是管壳状结构，包括具有腔体的外壳，腔体内设置波分复用膜片。为了实现接收两个波长的上行光信号，需要在双向光组件30的腔体内设置多个波分复用膜片，且该多个波分复用膜片之间的设置位置以及设置角度必须满足将特定波长的上行光信号传输至特定的光接收组件中，结构复杂。
示例性的，波分复用膜片可以反射预定波长的光信号，透射一个或多个波长的光信号，其中，波分复用膜片的分光能力越强，波分复用膜片反射的光信号的波长与波分复用膜片透射的光信号的波长之差就越小。其中，波分复用膜片的分光能力与波分复用膜片中的镀膜层的特性有关，与光信号入射至波分复用膜片的入射角度也有关。其中，一个波分复用膜片在制作完成时，该波分复用膜片中的镀膜层的特性固定，该波分复用膜片的分光能力不受镀膜层特性的影响，示例性的，在光信号入射至该波分复用膜片的入射角度为30°时，该波分复用膜片可以将入射光信号中波长为1280nm的光信号反射，将波长为1284nm的光信号透射，而在光信号入射至波分复用膜片的入射角度为32°时，该波分复用膜片会将波长为1280nm的光信号与波长为1284nm的光信号都透射。可见，当需要波分复用膜片反射的光信号的波长与波分复用膜片透射的光信号的波长之差越小时，就需要控制入射至波分复用膜片的光信号的入射角度。
其中，在制作过程图5所示的双向光组件30时，往往是需要在双向光组件30中的腔体内制作一个斜面，然后在斜面上贴装波分复用膜片。以波分复用膜片31为例，其制作过程是在双向光组件30的腔体内中制作斜面时，斜面的工程制作的角度误差为±0.8°，然后往斜面上贴装波分复用膜片31时，贴装误差为±1.5度，因此，波分复用膜片31的制作角度误差为±2.3°。当波长为λ2的上行光信号与波长为λ4的上行光信号的波长差较小时，波分复用膜片31的角度误差会影响波分复用膜片31的分光能力，使得双向光组件30不能将两个波长差较小的上行光信号分别传输至特定的光接收组件中，该双向光组件30的光接收精度有限。
因此，本申请的实施例提供了一种双向光组件，该双向光组件可以设置于图4所示的OLT10中，参照图6所示，该双向光组件50包括具有腔体的外壳51；外壳51上设置有与腔体连通的开口K1、开口K2、开口K3以及开口K4，其中，开口K1内耦合有光纤，开口K2内耦合有光接收组件ROSA1，开口K3内耦合有光接收组件ROSA2，开口K4内耦合有光发送组件TOSA；腔体内设置有膜片53、膜片54和玻璃晶体52，玻璃晶体52包括相对平行设置的倾斜面f1与倾斜面f2。示例性的，双向光组件50是管壳状结构，图6所示的仅是双向光组件50沿光传输方向的剖面图。在图6所示的双向光组件50中，开口K1与倾斜面f2相对，开口K4与倾斜面f1相对。
在图6所示的双向光组件50接收光信号时，光纤，用于从开口K1向腔体中的膜片53传输第一光信号；示例性的，该第一光信号包括多个不同波长的上行光信号。通常，光纤通过光纤插芯与开口K1耦合，即光纤上需要连接有用作可插拔接头的光纤插芯。其中，光纤从开口K1向腔体中的膜片53传输第一光信号时，该第一光信号往往会先通过一个准直透镜然后传输至膜片53，示例性的，准直透镜可以集成于光纤插芯中，并设置于光纤与膜片53之间的光路上，或者，可以在开口K1的内侧设置准直透镜，以使得光纤传输的第一光信号经光纤插芯后到达该准直透镜，并经准直透镜准直后进入膜片53。示例性的，第一光信号中可以包括波长范围为1290nm-1330nm的光信号以及波长范围为1260nm-1280nm的光信号；或者，第一 光信号中可以包括波长范围为1290nm-1330nm的光信号以及波长范围为1284nm-1288nm的光信号；或者，第一光信号中可以包括波长范围为1260nm-1280nm的光信号以及波长范围为1284nm-1288nm的光信号；或者，第一光信号中可以包括波长范围为1290nm-1330nm的光信号以及波长范围为1260nm-1288nm的光信号；或者，第一光信号中可以包括波长范围为1284nm-1330nm的光信号以及波长范围为1260nm-1280nm的光信号；或者，第一光信号中可以包括波长范围为1284nm-1288nm的光信号以及波长范围为1290nm-1330nm和1260nm-1280nm的光信号。本申请的实施例对此不做限定。
膜片53，用于将第一光信号反射至玻璃晶体52的倾斜面f1；玻璃晶体52，用于将倾斜面f1接收的第一光信号传输至倾斜面f2；膜片54，用于将倾斜面f2接收的第一光信号中，第一波长范围内的第二光信号透射至开口K2的光接收组件ROSA1。示例性的，以第一光信号中包括波长范围为1290nm-1330nm的光信号以及波长范围为1260nm-1280nm的光信号为例，其中，第一光信号中第一波长范围内的第二光信号可以是波长范围为1290nm-1330nm的光信号，第一波长范围就是1290nm-1330nm的波长范围，那么该波长范围为1290nm-1330nm的光信号将传输至光接收组件ROSA1，光接收组件ROSA1接收波长范围为1290nm-1330nm的光信号并对其进行处理。膜片54，还用于将倾斜面f2接收的第一光信号中第二波长范围内的第三光信号反射至倾斜面f1；光接收组件ROSA2，用于接收倾斜面f1输出的第三光信号。示例性的，第一光信号中第二波长范围内的第三光信号可以是波长范围为1260nm-1280nm的光信号，第二波长范围就是1260nm-1280nm的波长范围，那么该波长范围为1260nm-1280nm的光信号将传输至光接收组件ROSA2，光接收组件ROSA2接收波长范围为1260nm-1280nm的光信号并对其进行处理。
示例性的，当第一光信号中包括波长范围为1284nm-1288nm的光信号以及波长范围为1290nm-1330nm和1260nm-1280nm的光信号时，膜片54，用于将倾斜面f2接收的第一光信号中第一波长范围内的第二光信号透射至开口K2的光接收组件ROSA1；膜片54，还用于将倾斜面f2接收的第一光信号中，第二波长范围内的第三光信号反射至倾斜面f1；光接收组件ROSA2，用于接收倾斜面f1输出的第三光信号。其中，第一光信号中第一波长范围内的第二光信号是波长范围为1284nm-1288nm的光信号，第一波长范围就是1284nm-1288nm的波长范围，那么该波长范围为1284nm-1288nm的光信号将传输至光接收组件ROSA1，光接收组件ROSA1接收波长范围为1284nm-1288nm的光信号并对其进行处理。其中，第一光信号中第二波长范围内的第三光信号可以是波长范围为1290nm-1330nm和1260nm-1280nm的光信号，第二波长范围就是1290nm-1330nm和1260nm-1280nm的波长范围，那么该波长范围为1290nm-1330nm和1260nm-1280nm的光信号将传输至光接收组件ROSA2，光接收组件ROSA2接收波长范围为1290nm-1330nm和1260nm-1280nm的光信号并对其进行处理。其中，第一波长范围可以是连续的某一段波长范围，或者是不连续的几段波长范围，第二波长范围可以是连续的某一段波长范围，或者是不连续的几段波长范围，第一波长范围与第二波长范围不同即可，本申请的实施例对此不做限定。
在图6所示的双向光组件50输出光信号时，光发送组件TOSA，用于从开口K4向腔体中膜片53传输第四光信号，示例性的，该第四光信号可以是下行光信号，该第四光信号可以包括以下至少一个光信号：波长范围为1480nm-1500nm的下行光信号、波长范围为1575nm-1580nm的下行光信号、波长范围为1340nm-1344nm的下行光信号。其中，第四光信号的波长范围与第一光信号的波长范围不同。膜片53，还用于将第四光信号透射至开口K1中的光纤，以使得光纤将第四光信号输出。
具体的，膜片53与膜片54均可以被称为波分复用膜片，图6所示的双向光组件50中的膜片53可以透射的光信号的波长范围为第四光信号的波长范围，膜片53可以反射的光信号的波长范围为第一光信号的波长范围；膜片54可以透射的光信号的波长范围为第一波长范围，膜片54可以反射的光信号的波长范围为第二波长范围。
在上述的双向光组件50中，首先，由于设置有膜片53、膜片54以及玻璃晶体52，膜片53将接收的第一光信号反射至玻璃晶体52的倾斜面f1；玻璃晶体52，用于将倾斜面f1接收的第一光信号传输至倾斜面f2；膜片54，用于将倾斜面f2接收的第一光信号中，第一波长范围内的第二光信号透射至开口K2的光接收组件ROSA1，膜片54，还用于将倾斜面f2接收的第一光信号中，第二波长范围内的第三光信号反射至倾斜面f1，光接收组件ROSA2，用于接收倾斜面f1输出的第三光信号，因此，该双向光组件50可以将第一光信号中第一波长范围内的第二光信号传输至光接收组件ROSA1，将第一光信号中第二波长范围内的第三光信号传输至光接收组件ROSA2，实现接收不同波长范围的两个光信号的功能，且该双向光组件 通过两个膜片以及一个玻璃晶体即可实现接收不同波长范围的两个光信号的功能，结构相对简单。其次，由于膜片53，还用于将光发送组件TOSA传输的第四光信号透射至开口K1中的光纤，因此，该双向光组件50也可以实现输出光信号的功能。再次，由于膜片54，将倾斜面f2接收的第一光信号中，第二波长范围内的第三光信号反射至倾斜面f1，可知膜片54是贴装于玻璃晶体52的倾斜面f2上，其中，玻璃晶体52的倾斜面的倾斜角度满足上述的光信号的传输要求，且玻璃晶体52在制作时其倾斜面的倾斜角度的精度可以控制的很高，那么在将膜片54贴装于玻璃晶体52上时，其贴装的角度误差为±0.2°，且不需要在腔体内设置制作支撑膜片54的斜面，该双向光组件50的制作也将更简单。其中，由于膜片54贴装在玻璃晶体52上的贴装角度误差为±0.2°，那么在膜片54的分光能力比较强时，双向光组件50可以将两个波长差较小的光信号分别传输至特定的光接收组件中，也使得双向光组件50接收光信号的接收准确度进一步提升。
在一些实施例中，为了进一步降低双向光组件50的制作复杂度，可以将膜片53也贴装于玻璃晶体52的倾斜面上，参照图6所示，膜片53贴装于玻璃晶体52的倾斜面f1上，那么，光纤，具体用于从开口K1向腔体中的玻璃晶体52的倾斜面f2传输第一光信号；玻璃晶体52，用于将倾斜面f2接收的第一光信号通过倾斜面f1传输至膜片53；以使得膜片53将第一光信号反射至玻璃晶体52的倾斜面f1。膜片53，具体用于将第四光信号透射至玻璃晶体52的倾斜面f1；玻璃晶体52，还用于将倾斜面f1接收的第四光信号通过倾斜面f2传输至开口K1中的光纤，以使得光线将第四光信号输出。
在另一些实施例中，为了使得双向光组件50中的光接收组件ROSA1与ROSA2的位置方便设置，参照图6所示，腔体内还设置有反射结构S1与反射结构S2。
那么，膜片54，具体用于将第二光信号透射至反射结构S1；反射结构S1，用于将第二光信号反射至开口K2的光接收组件ROSA1。示例性的，可以在玻璃晶体52上设置第一支架，反射结构S1安装于第一支架上，反射结构S1与玻璃晶体52集成在一起；或者；腔体内设置有第二支架，反射结构S1安装于第二支架，反射结构S1不与玻璃晶体52集成在一起。其中，本申请的实施例对反射结构S1是否与玻璃晶体52集成不做限定。示例性的，反射结构S1可以是反射膜、反射面、反射镜等，本申请的实施例对此不做限定。
反射结构S2，用于将倾斜面f1接收的第三光信号反射至开口K3的光接收组件ROSA2；光接收组件ROSA2，具体用于接收反射结构S2反射的第三光信号。示例性的，可以在玻璃晶体52上设置第三支架，反射结构S2安装于第三支架上，反射结构S2与玻璃晶体52集成在一起；或者；腔体内设置有第四支架，反射结构S1安装于第四支架上，反射结构S2不与玻璃晶体52集成在一起。其中，本申请的实施例对反射结构S2是否与玻璃晶体52集成不做限定。示例性的，反射结构S2可以是反射膜、反射面、反射镜等，本申请的实施例对此不做限定。
在腔体中设置反射结构S1与反射结构S2时，反射结构S1将第二光信号反射至开口K2的光接收组件ROSA1，反射结构S2将第三光信号反射至开口K3的光接收组件ROSA2，那么，双向光组件中的光接收组件ROSA1与光接收组件ROSA2的设置位置将可以改变，例如可以将光接收组件ROSA1与光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第一端，按照图6所示的双向光组件50的摆放位置，该第一端可以是倾斜面f2(或者倾斜面f1)的下端。又例如，可以将光接收组件ROSA1与光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第二端，按照图6所示的双向光组件50的摆放位置，该第二端可以是倾斜面f2(或者倾斜面f1)的上端。再例如可以将光接收组件ROSA1设置于倾斜面f2(或者倾斜面f1)的第一端，将光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第二端，或者，将光接收组件ROSA1设置于倾斜面f2(或者倾斜面f1)的第二端，将光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第一端。本申请的实施例对光接收组件ROSA1与光接收组件ROSA2的设置位置不做限定。其中，图6示出的光接收组件ROSA1与光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第一端。
在再一些实施例中，双向光组件50可以将三个不同波长范围的光信号分别传输至对应的光接收组件ROSA。参照图7所示，在图6所示的双向光组件50的基础上，图7所示的双向光组件50，外壳51上还设置有开口K5，其中，开口K5内耦合光接收组件ROSA3；腔体中还设置有膜片55。图7所示的双向光组件50输出第四光信号的过程与图6所示的双向光组件50输出第四光信号的过程一致，在此不赘述。
在图7所示的双向光组件接收光信号时，光纤，用于从开口K1向腔体中的膜片53传输第一光信号； 示例性的，该第一光信号包括多个不同波长的上行光信号。示例性的，第一光信号中可以包括波长范围为1290nm-1330nm的第二光信号以及波长范围为1260nm-1288nm的第三光信号。
膜片53，用于将第一光信号反射至玻璃晶体52的倾斜面f1；玻璃晶体52，用于将倾斜面f1接收的第一光信号传输至倾斜面f2；膜片54，用于将倾斜面f2接收的第一光信号中第一波长范围内的第二光信号透射至开口K2的光接收组件ROSA1。示例性的，第一光信号中第一波长范围内的第二光信号可以是波长范围为1290nm-1330nm的第二光信号，那么该波长范围为1290nm-1330nm的第二光信号将传输至光接收组件ROSA1，光接收组件ROSA1接收波长范围为1290nm-1330nm的第二光信号并对其进行处理。
膜片54，还用于将倾斜面f2接收的第一光信号中第二波长范围内的第三光信号反射至倾斜面f1；示例性的，第一光信号中第二波长范围内的第三光信号可以是波长范围为1260nm-1288nm的第三光信号，该第三光信号中包括波长范围为1260nm-1280nm的第五光信号以及波长范围为1284nm-1288nm的第六光信号。膜片55，用于将倾斜面f1接收的第三光信号中第三波长范围内的第五光信号透射至开口K3的光接收组件ROSA2；光接收组件ROSA2，具体用于接收第五光信号。示例性的，第三光信号中第三波长范围内的第五光信号可以是波长范围为1260nm-1280nm的第五光信号，那么该波长范围为1260nm-1280nm的第五光信号将传输至光接收组件ROSA2，光接收组件ROSA2接收波长范围为1260nm-1280nm的第五光信号并对其进行处理。
膜片55，还用于将倾斜面f1接收的第三光信号中第四波长范围内的第六光信号反射至倾斜面f2；光接收组件ROSA3，用于接收倾斜面f2输出的第六光信号。示例性的，第三光信号中第四波长范围内的第六光信号可以是波长范围为1284nm-1288nm的第六光信号，那么该波长范围为1284nm-1288nm的第六光信号将传输至光接收组件ROSA3，光接收组件ROSA3接收波长范围为1284nm-1288nm的第六光信号并对其进行处理。
具体的，膜片53、膜片54与膜片55均可以被称为波分复用膜片，图7所示的双向光组件50中的膜片53可以透射的光信号的波长范围为第四光信号的波长范围，膜片53可以反射的光信号的波长范围为第一光信号的波长范围；膜片54可以透射的光信号的波长范围为第一波长范围，膜片54可以反射的光信号的波长范围为第二波长范围，第二波长范围包括第三波长范围与第四波长范围；膜片55可以透射的光信号的波长范围为第三波长范围，膜片55可以反射的光信号的波长范围为第四波长范围。
示例性的，如图7所示，由于膜片55，还用于将倾斜面f1接收的第三光信号中，第四波长范围内的第六光信号反射至倾斜面f2，因此膜片55也可以贴装于玻璃晶体52上，以使得双向光组件50的制作复杂度降低。
在一些实施例中，如图7所示，为了使得双向光组件50中的光接收组件ROSA1、光接收组件ROSA2以及光接收组件ROSA3的位置方便设置，参照图7所示，腔体内还设置有反射结构S1、反射结构S2以及反射结构S3。
那么，膜片54，具体用于将第二光信号透射至反射结构S1；反射结构S1，用于将第二光信号反射至开口K2的光接收组件ROSA1。示例性的，可以在玻璃晶体52上设置第一支架，反射结构S1安装于第一支架上，反射结构S1与玻璃晶体52集成在一起；或者；腔体内设置有第二支架，反射结构S1安装于第二支架，反射结构S1不与玻璃晶体52集成在一起。其中，本申请的实施例对反射结构S1是否与玻璃晶体52集成不做限定。示例性的，反射结构S1可以是反射膜、反射面、反射镜等，本申请的实施例对此不做限定。
膜片55，具体用于将第五光信号透射至反射结构S2；反射结构S2，用于将第五光信号反射至开口K3的光接收组件ROSA2；光接收组件ROSA2，具体用于接收反射结构S2反射的第五光信号。示例性的，可以在玻璃晶体52上设置第三支架，反射结构S2安装于第三支架上，反射结构S2与玻璃晶体52集成在一起；或者；腔体内设置有第四支架，反射结构S2安装于第四支架上，反射结构S2不与玻璃晶体52集成在一起。其中，本申请的实施例对反射结构S2是否与玻璃晶体52集成不做限定。示例性的，反射结构S2可以是反射膜、反射面、反射镜等，本申请的实施例对此不做限定。
反射结构S3，用于将倾斜面f2接收的第六光信号反射至开口K5的光接收组件ROSA3；光接收组件ROSA3，具体用于接收反射结构S3反射的第六光信号。示例性的，可以在玻璃晶体52上设置第五支架，反射结构S3安装于第五支架上，反射结构S3与玻璃晶体52集成在一起；或者；腔体内设置有第六支架，反射结构 S3安装于第六支架上，反射结构S3不与玻璃晶体52集成在一起。其中，本申请的实施例对反射结构S3是否与玻璃晶体52集成不做限定。示例性的，反射结构S3可以是反射膜、反射面、反射镜等，本申请的实施例对此不做限定。
在一些实施例中，参照图8所示，相较于图6所示的双向光组件50，其中，图8所示的双向光组件50的腔体内还设置有膜片80以及反射片M1。示例性的，反射片M1包括膜片以及反射结构，其中反射结构包括反射膜、反射面、反射镜等。
示例性的，光纤从开口K1向腔体中的膜片53传输第一光信号，第一光信号中包括第一波长范围的第二光信号、第二波长范围的第三光信号，膜片53将第一光信号反射至玻璃晶体52的倾斜面f1；玻璃晶体52将倾斜面f1接收的第一光信号传输至倾斜面f2；膜片54将倾斜面f2接收的第一光信号中，第一波长范围内的第二光信号透射至开口K2的光接收组件ROSA1；膜片54还将倾斜面f2接收的第一光信号中，第二波长范围内的第三光信号反射至倾斜面f1；膜片80，用于将倾斜面f1接收的第三光信号中，第五波长范围内的第七光信号反射至倾斜面f2；膜片80，还用于将倾斜面f1接收的第三光信号中，第六波长范围内的第八光信号透射；反射片M1，用于将倾斜面f2接收的第七光信号反射至倾斜面f1；光接收组件ROSA2，用于接收倾斜面f1输出的第七光信号。
示例性的，膜片53、膜片54与膜片80均可以被称为波分复用膜片，图8所示的双向光组件50中的膜片53可以透射的光信号的波长范围为第四光信号的波长范围，膜片53可以反射的光信号的波长范围为第一光信号的波长范围；膜片54可以透射的光信号的波长范围为第一波长范围，膜片54可以反射的光信号的波长范围为第二波长范围；膜片80可以透射的光信号的波长范围为第六波长范围，膜片80可以反射的光信号的波长范围为第五波长范围。示例性的，在反射片M1是膜片时，该膜片被称为波分复用膜片，该膜片可以透射的光信号的波长范围为第六波长范围，可以反射的光信号的波长范围为第五波长范围。
示例性的，由于膜片80将倾斜面f1接收的第三光信号中第五波长范围内的第七光信号反射至倾斜面f2，可知膜片80贴装于玻璃晶体52的倾斜面f1上。由于反射片M1将倾斜面f2接收的第七光信号反射至倾斜面f1，可知反射片M1贴装于玻璃晶体52的倾斜面f2上。
其中，由于设置有膜片80，那么在膜片54反射的第三光信号中，既包括光接收组件ROSA2需要接收第五波长范围内的第七光信号，又包括第六波长范围内的第八光信号时，膜片80将倾斜面f1接收的第三光信号中，第五波长范围内的第七光信号反射至倾斜面f2；膜片80将倾斜面f1接收的第三光信号中，第六波长范围内的第八光信号透射；反射片M1将倾斜面f2接收的第七光信号反射至倾斜面f1；光接收组件ROSA2，用于接收倾斜面f1输出的第七光信号，进而使得光接收组件ROSA2不会接收到第三光信号中第六波长范围内的第八光信号，提升光接收组件ROSA2接收到的光信号的波长纯净度。
在另一些实施例中，参照图9所示，相较于图6所示的双向光组件50，其中，图9所示的双向光组件50的腔体内还设置有膜片80以及反射片M1。示例性的，反射片M1包括膜片以及反射结构，其中反射结构包括反射膜、反射面、反射镜等。
示例性的，光纤从开口K1向腔体中的膜片53传输第一光信号，第一光信号中包括第一波长范围的第二光信号、第二波长范围的第三光信号，膜片53将第一光信号反射至玻璃晶体52的倾斜面f1；玻璃晶体52将倾斜面f1接收的第一光信号传输至倾斜面f2；膜片54将倾斜面f2接收的第一光信号中，第一波长范围内的第二光信号透射至开口K2的光接收组件ROSA1；膜片54还将倾斜面f2接收的第一光信号中，第二波长范围内的第三光信号反射至倾斜面f1；反射片M1将倾斜面f1接收的第三光信号反射至倾斜面f2；膜片80，用于将倾斜面f2接收的第三光信号中，第五波长范围内的第七光信号反射至倾斜面f1；膜片80，还用于将倾斜面f1接收的第三光信号中，第六波长范围内的第八光信号透射；光接收组件ROSA2，用于接收倾斜面f1输出的第七光信号。
示例性的，膜片53与膜片54与膜片80均可以被称为波分复用膜片，图9所示的双向光组件50中的膜片53可以透射的光信号的波长范围为第四光信号的波长范围，膜片53可以反射的光信号的波长范围为第一光信号的波长范围；膜片54可以透射的光信号的波长范围为第一波长范围，膜片54可以反射的光信号的波长范围为第二波长范围；膜片80可以透射的光信号的波长范围为第六波长范围，膜片80可以反射的光信号的波长范围为第五波长范围。示例性的，在反射片M1是膜片时，该膜片被称为波分复用膜片，该膜片可以透射的光信号的波长范围为第六波长范围，可以反射的光信号的波长范围为第五波长范围。
示例性的，由于反射片M1将倾斜面f1接收的第三光信号反射至倾斜面f2，可知反射片M1贴装于玻璃晶体52的倾斜面f1上。由于膜片80将倾斜面f2接收的第三光信号中第五波长范围内的第七光信号反射至倾斜面f1，可知膜片80贴装于玻璃晶体52的倾斜面f2上。
其中，由于设置有膜片80，那么在膜片54反射的第三光信号中，既包括光接收组件ROSA2需要接收第五波长范围的第七光信号，又包括第六波长范围的第八光信号时，反射片M1将倾斜面f1接收的第三光信号反射至倾斜面f2；膜片80将倾斜面f2接收的第三光信号中，第五波长范围内的第七光信号反射至倾斜面f1；膜片80将倾斜面f1接收的第三光信号中，第六波长范围内的第八光信号透射；光接收组件ROSA2，用于接收倾斜面f1输出的第七光信号，进而使得光接收组件ROSA2不会接收到第三光信号中第六波长范围内的第八光信号，提升光接收组件ROSA2接收到的光信号的波长纯净度。
在另一些实施例中，参照图8或图9所示，腔体内还设置有反射结构S1与反射结构S2。那么，膜片54，具体用于将第二光信号透射至反射结构S1；反射结构S1，用于将第二光信号反射至开口K2的光接收组件ROSA1。反射结构S2，用于将倾斜面f1接收的第七光信号反射至开口K3的光接收组件ROSA2；光接收组件ROSA2，具体用于接收反射结构S2反射的第七光信号。在腔体内设置反射结构S1与反射结构S2时，双向光组件50中的光接收组件ROSA1与光接收组件ROSA2的设置位置将可以改变，例如可以将光接收组件ROSA1与光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第一端，按照图8或图9所示的双向光组件50的摆放位置，该第一端可以是倾斜面f2(或者倾斜面f1)的下端。又例如，可以将光接收组件ROSA1与光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第二端，按照图8或图9所示的双向光组件50的摆放位置，该第二端可以是倾斜面f2(或者倾斜面f1)的上端。再例如可以将光接收组件ROSA1设置于倾斜面f2(或者倾斜面f1)的第一端，将光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第二端，或者，将光接收组件ROSA1设置于倾斜面f2(或者倾斜面f1)的第二端，将光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第一端。本申请的实施例对光接收组件ROSA1与光接收组件ROSA2的设置位置不做限定。其中，图8示出的光接收组件ROSA1设置于倾斜面f2(或者倾斜面f1)的第二端，光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第一端。图9示出的光接收组件ROSA1设置于倾斜面f2(或者倾斜面f1)的第二端，光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第一端。在另一些实施例中，参照图10所示，该双向光组件50包括具有腔体的外壳51；外壳51上设置有与腔体连通的开口K1、开口K2、开口K3以及开口K4，其中，开口K1内耦合有光纤，开口K2内耦合有光接收组件ROSA1，开口K3内耦合有光接收组件ROSA2，开口K4内耦合有光发送组件TOSA；腔体内设置有膜片53、膜片54和玻璃晶体52，玻璃晶体52包括相对平行设置的倾斜面f1与倾斜面f2。其中，图10所示的双向光组件50的腔体内还设置有反射结构S4。图10所示的仅是双向光组件50沿光传输方向的剖面图。在图10所示的双向光组件50中，开口K1与倾斜面f2相对，开口K4与倾斜面f1相对。
在图10所示的双向光组件50接收光信号时，光纤，用于从开口K1向腔体中的膜片53传输第一光信号；膜片53，用于将第一光信号反射至玻璃晶体52的倾斜面f1；玻璃晶体52，用于将倾斜面f1接收的第一光信号传输至倾斜面f2；膜片54，用于将倾斜面f2接收的第一光信号中，第一波长范围内的第二光信号透射至开口K2的光接收组件ROSA1。膜片54，还用于将倾斜面f2接收的第一光信号中，第二波长范围内的第三光信号反射至倾斜面f1；反射结构S4，用于将倾斜面f1接收的第三光信号反射至倾斜面f2；光接收组件ROSA2，用于接收倾斜面f2输出的第三光信号。示例性的，由于反射结构S4将倾斜面f1接收的第三光信号反射至倾斜面f2，可知反射结构S4贴装于玻璃晶体52的倾斜面f1上，例如在玻璃晶体52的倾斜面f1上镀反射膜形成反射结构S4。其中，反射结构S4的贴装位置需满足将第三光信号反射，且反射结构S4覆盖玻璃晶体52的部分倾斜面f1。
在图10所示的双向光组件50输出光信号时，光发送组件TOSA，用于从开口K4向腔体中膜片53传输第四光信号，膜片53，还用于将第四光信号透射至开口K1中的光纤，以使得光纤将第四光信号输出。
如图10所示，可以将膜片53也贴装于玻璃晶体52的倾斜面上，例如将膜片53贴装于玻璃晶体52的倾斜面f1上，那么，光纤，具体用于从开口K1向腔体中的玻璃晶体52的倾斜面f2传输第一光信号；玻璃晶体52，用于将倾斜面f2接收的第一光信号通过倾斜面f1传输至膜片53；以使得膜片53将第一光信号反射至玻璃晶体52的倾斜面f1。膜片53，具体用于将第四光信号透射至玻璃晶体52的倾斜面f1；玻璃晶体52，还用于将倾斜面f1接收的第四光信号通过倾斜面f2传输至开口K1中的光纤，以使得光线 将第四光信号输出。
此时，玻璃晶体52的倾斜面f1上贴装有膜片53以及反射结构S4，膜片53以及反射结构S4的贴装位置不同，例如膜片53贴装于玻璃晶体52的倾斜面f1的第一位置，反射结构S4贴装于玻璃晶体52的倾斜面f1的第二位置，膜片53以及反射结构S4的贴装位置须保证光信号在双向光组件50中传输。
具体的，图10所示的双向光组件50中的膜片53可以透射的光信号的波长范围为第四光信号的波长范围，膜片53可以反射的光信号的波长范围为第一光信号的波长范围；膜片54可以透射的光信号的波长范围为第一波长范围，膜片54可以反射的光信号的波长范围为第二波长范围。
在另一些实施例中，参照图10所示，腔体内还设置有反射结构S1与反射结构S2。那么，膜片54，具体用于将第二光信号透射至反射结构S1；反射结构S1，用于将第二光信号反射至开口K2的光接收组件ROSA1。反射结构S2，用于将倾斜面f2接收的第三光信号反射至开口K3的光接收组件ROSA2；光接收组件ROSA2，具体用于接收反射结构S2反射的第三光信号。在腔体内设置反射结构S1与反射结构S2时，双向光组件50中的光接收组件ROSA1与光接收组件ROSA2的设置位置将可以改变，例如可以将光接收组件ROSA1与光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第一端，按照图10所示的双向光组件50的摆放位置，该第一端可以是倾斜面f2(或者倾斜面f1)的下端。又例如，可以将光接收组件ROSA1与光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第二端，按照图10所示的双向光组件50的摆放位置，该第二端可以是倾斜面f2(或者倾斜面f1)的上端。再例如可以将光接收组件ROSA1设置于倾斜面f2(或者倾斜面f1)的第一端，将光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第二端，或者，将光接收组件ROSA1设置于倾斜面f2(或者倾斜面f1)的第二端，将光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第一端。本申请的实施例对光接收组件ROSA1与光接收组件ROSA2的设置位置不做限定。其中，图10示出的光接收组件ROSA1设置于倾斜面f2(或者倾斜面f1)的第二端，光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第一端。
在再一些实施例中，双向光组件50可以将三个不同波长范围的光信号分别传输至对应的光接收组件ROSA。参照图11所示，在图10所示的双向光组件50的基础上，图11所示的双向光组件50，外壳51上还设置有开口K5，其中，开口K5内耦合光接收组件ROSA3；腔体中还设置有膜片55。图11所示的双向光组件50输出第四光信号的过程与图10所示的双向光组件50输出第四光信号的过程一致，在此不赘述。
在图11所示的双向光组件接收光信号时，光纤，用于从开口K1向腔体中的膜片53传输第一光信号；膜片53，用于将第一光信号反射至玻璃晶体52的倾斜面f1；玻璃晶体52，用于将接收自倾斜面f1的第一光信号传输至倾斜面f2；膜片54，用于将倾斜面f2接收的第一光信号中，第一波长范围内的第二光信号透射至开口K2的光接收组件ROSA1。膜片54，还用于将倾斜面f2接收的第一光信号中，第二波长范围内的第三光信号反射至倾斜面f1；反射结构S4，用于将倾斜面f1接收的第三光信号反射至倾斜面f2；膜片55，用于将倾斜面f2接收的第三光信号中，第三波长范围内的第五光信号透射至开口K5的光接收组件ROSA3；膜片55，还用于将倾斜面f2接收的第三光信号中，第四波长范围内的第六光信号反射至倾斜面f1；反射结构S4，还用于将倾斜面f1接收的第六光信号反射至倾斜面f2，光接收组件ROSA2，用于接收倾斜面f2输出的第六光信号。
具体的，图11所示的双向光组件50中的膜片53可以透射的光信号的波长范围为第四光信号的波长范围，膜片53可以反射的光信号的波长范围为第一光信号的波长范围；膜片54可以透射的光信号的波长范围为第一波长范围，膜片54可以反射的光信号的波长范围为第二波长范围，第二波长范围包括第三波长范围与第四波长范围；膜片55可以透射的光信号的波长范围为第三波长范围，膜片55可以反射的光信号的波长范围为第四波长范围。
在一些实施例中，如图11所示，为了使得双向光组件50中的光接收组件ROSA1、光接收组件ROSA2以及光接收组件ROSA3的位置方便设置，参照图11所示，腔体内还设置有反射结构S1、反射结构S2以及反射结构S3。那么，膜片54，具体用于将第二光信号透射至反射结构S1；反射结构S1，用于将第二光信号反射至开口K2的光接收组件ROSA1。膜片55，具体用于将第五光信号透射至反射结构S3；反射结构S3，用于将第五光信号反射至开口K5的光接收组件ROSA3；反射结构S2，用于将倾斜面f2接收的第六光信号反射至开口K3的光接收组件ROSA2；光接收组件ROSA2，具体用于接收反射结构S2反射的第六光信号。
在另一些实施例中，参照图12所示，该双向光组件50包括具有腔体的外壳51；外壳51上设置有与 腔体连通的开口K1、开口K2、开口K3以及开口K4，其中，开口K1内耦合有光纤，开口K2内耦合有光接收组件ROSA1，开口K3内耦合有光接收组件ROSA2，开口K4内耦合有光发送组件TOSA；腔体内设置有膜片53、膜片54和玻璃晶体52，玻璃晶体52包括相对平行设置的倾斜面f1与倾斜面f2。其中，图12所示的双向光组件50的腔体内还设置有反射结构S4。图12所示的仅是双向光组件50沿光传输方向的剖面图。在图12所示的双向光组件50中，开口K1设置于倾斜面f1(或倾斜面f2)的第一端，开口K4设置于倾斜面f1(或倾斜面f2)的第二端，示例性的，按照图12所示的摆放位置，倾斜面f1(或倾斜面f2)的第一端为倾斜面f1(或倾斜面f2)的右端，倾斜面f1(或倾斜面f2)的第二端为倾斜面f1(或倾斜面f2)的左端。
在图12所示的双向光组件50接收光信号时，光纤，用于从开口K1向腔体中的膜片53传输第一光信号；膜片53，用于将第一光信号反射至玻璃晶体52的倾斜面f1；玻璃晶体52，用于将倾斜面f1接收的第一光信号传输至倾斜面f2；膜片54，用于将倾斜面f2接收的第一光信号中，第一波长范围内的第二光信号透射至开口K2的光接收组件ROSA1。膜片54，还用于将倾斜面f2接收的第一光信号中，第二波长范围内的第三光信号反射至倾斜面f1；反射结构S4，用于将倾斜面f1接收的第三光信号反射至倾斜面f2；光接收组件ROSA2，用于接收倾斜面f2输出的第三光信号。示例性的，由于反射结构S4将倾斜面f1接收的第三光信号反射至倾斜面f2，可知反射结构S4贴装于玻璃晶体52的倾斜面f1上，例如在玻璃晶体52的倾斜面f1上镀反射膜形成反射结构S4。其中，反射结构S4的贴装位置需满足将第三光信号反射，且反射结构S4覆盖玻璃晶体52的部分倾斜面f1。
在图11所示的双向光组件50输出光信号时，光发送组件TOSA，用于从开口K4向腔体中膜片53传输第四光信号，膜片53，还用于将第四光信号透射至开口K1中的光纤，以使得光纤将第四光信号输出。
如图12所示，膜片53不会贴装于玻璃晶体52的倾斜面上，其中，可以在腔体中设置斜面，在斜面上贴装膜片53，并且，图12所示的双向光组件50中，腔体内还设置有反射结构S5；膜片53，具体用于将第一光信号反射至反射结构S5；反射结构S5，用于将第一光信号反射至玻璃晶体52的倾斜面f1。示例性的，可以在玻璃晶体52的倾斜面f1上设置第七支架，反射结构S5安装于第七支架上，反射结构S5与玻璃晶体52集成在一起；或者；腔体内设置有第八支架，反射结构S5安装于第八支架，反射结构S5不与玻璃晶体52集成在一起。其中，本申请的实施例对反射结构S5是否与玻璃晶体52集成不做限定。示例性的，反射结构S5可以是反射膜、反射面、反射镜等，本申请的实施例对此不做限定。
具体的，图12所示的双向光组件50中的膜片53可以透射的光信号的波长范围为第四光信号的波长范围，膜片53可以反射的光信号的波长范围为第一光信号的波长范围；膜片54可以透射的光信号的波长范围为第一波长范围，膜片54可以反射的光信号的波长范围为第二波长范围。
参照图12所示，当开口K2与开口K3都与倾斜面f2相对时，通过设置膜片53、反射结构S5、反射结构S4、玻璃晶体52以及膜片54的位置，使得膜片54的透射的第二光信号恰好传输至光接收组件ROSA1，反射结构S4反射的第三光信号通过玻璃晶体52的倾斜面f2出射后，恰好传输至光接收组件ROSA2，那么在图12所示的双向光组件中，可以通过设置比较少的反射结构使得光纤、光接收组件与光发送组件位于壳体的不同位置。
在另一些实施例中，参照图13所示，腔体内还设置有反射结构S1与反射结构S2。那么，膜片54，具体用于将第二光信号透射至反射结构S1；反射结构S1，用于将第二光信号反射至开口K2的光接收组件ROSA1。反射结构S2，用于将倾斜面f2接收的第三光信号反射至开口K3的光接收组件ROSA2；光接收组件ROSA2，具体用于接收反射结构S2反射的第三光信号。在腔体内设置反射结构S1与反射结构S2时，双向光组件50中的光接收组件ROSA1与光接收组件ROSA2的设置位置将可以改变，
在再一些实施例中，双向光组件50可以将三个不同波长范围的光信号分别传输至对应的光接收组件ROSA。参照图14所示，在图12所示的双向光组件50的基础上，图14所示的双向光组件50，外壳51上还设置有开口K5，其中，开口K5内耦合光接收组件ROSA3；腔体中还设置有膜片55。图14所示的双向光组件50输出第四光信号的过程与图12所示的双向光组件50输出第四光信号的过程一致，在此不赘述。
在图14所示的双向光组件接收光信号时，光纤，用于从开口K1向腔体中的膜片53传输第一光信号；膜片53，用于将第一光信号反射至玻璃晶体52的倾斜面f1；玻璃晶体52，用于将倾斜面f1接收的第一光信号传输至倾斜面f2；膜片54，用于将倾斜面f2接收的第一光信号中，第一波长范围内的第二光信号 透射至开口K2的光接收组件ROSA1。膜片54，还用于将倾斜面f2接收的第一光信号中，第二波长范围内的第三光信号反射至倾斜面f1；反射结构S4，用于将倾斜面f1接收的第三光信号反射至倾斜面f2；膜片55，用于将倾斜面f2接收的第三光信号中，第三波长范围内的第五光信号透射至开口K5的光接收组件ROSA3；膜片55，还用于将倾斜面f2接收的第三光信号中，第四波长范围内的第六光信号反射至倾斜面f1；反射结构S4，还用于将倾斜面f1接收的第六光信号反射至倾斜面f2，光接收组件ROSA2，用于接收倾斜面f2输出的第六光信号。
具体的，图11所示的双向光组件50中的膜片53可以透射的光信号的波长范围为第四光信号的波长范围，膜片53可以反射的光信号的波长范围为第一光信号的波长范围；膜片54可以透射的光信号的波长范围为第一波长范围，膜片54可以反射的光信号的波长范围为第二波长范围，第二波长范围包括第三波长范围与第四波长范围；膜片55可以透射的光信号的波长范围为第三波长范围，膜片55可以反射的光信号的波长范围为第四波长范围。
参照图14所示，当开口K2、开口K3与开口K5都与倾斜面f2相对时，通过设置膜片53、反射结构S5、反射结构S4、玻璃晶体52、膜片54以及膜片55的位置，使得膜片54的透射的第二光信号恰好传输至光接收组件ROSA1，使得膜片55的透射的第五光信号恰好传输至光接收组件ROSA3，反射结构S4反射的第六光信号通过玻璃晶体52的倾斜面f2出射后，恰好传输至光接收组件ROSA2，那么在图12所示的双向光组件中，可以通过设置比较少的反射结构使得光纤、光接收组件与光发送组件位于壳体的不同位置。
在一些实施例中，如图15所示，为了使得双向光组件50中的光接收组件ROSA1、光接收组件ROSA2以及光接收组件ROSA3的位置方便设置，参照图15所示，腔体内还设置有反射结构S1、反射结构S2以及反射结构S3。那么，膜片54，具体用于将第二光信号透射至反射结构S1；反射结构S1，用于将第二光信号反射至开口K2的光接收组件ROSA1。膜片55，具体用于将第五光信号透射至反射结构S3；反射结构S3，用于将第五光信号反射至开口K5的光接收组件ROSA3；反射结构S2，用于将倾斜面f2接收的第六光信号反射至开口K3的光接收组件ROSA2；光接收组件ROSA2，具体用于接收反射结构S2反射的第六光信号。
示例性的，本申请的实施例提供了一种双向光组件，参照图16所示，该双向光组件50包括：具有腔体的外壳51；外壳51上设置有与腔体连通的开口K1、开口K2、开口K3以及开口K4，其中，开口K1内耦合有光纤，开口K2内耦合有光接收组件ROSA1，开口K3内耦合有光接收组件ROSA2，开口K4内耦合有光发送组件TOSA；腔体内设置有膜片53、膜片54和玻璃晶体52，玻璃晶体52包括相对平行设置的倾斜面f1与倾斜面f2。
在图16所示的双向光组件50接收光信号时，光纤，用于从开口K1向腔体中的玻璃晶体52的倾斜面f2传输第一光信号；玻璃晶体52，用于将倾斜面f2接收的第一光信号传输至倾斜面f1；膜片53，用于将倾斜面f1接收的第一光信号中，第一波长范围内的第二光信号透射至开口K2的光接收组件ROSA1；膜片53，还用于将倾斜面f1接收的第一光信号中，第二波长范围内的第三光信号反射至倾斜面f2；膜片54，用于将倾斜面f2接收的第三光信号透射至开口K3的光接收组件ROSA2。
在图16所示的双向光组件50输出光信号时，光发送组件，用于从开口K4向腔体中的玻璃晶体52的倾斜面f1传输第四光信号；玻璃晶体52，还用于将倾斜面f1接收的第四光信号传输至倾斜面f2；膜片54，还用于将倾斜面f2接收的第四光信号反射至倾斜面f1；膜片53，还用于将倾斜面f1接收的第四光信号反射至倾斜面f2；光纤，还用于将倾斜面f2接收的第四光信号输出。
具体的，图16所示的双向光组件50中的膜片53可以透射的光信号的波长范围为第一波长范围，膜片53可以反射的光信号的波长范围为第二波长范围以及第四光信号的波长范围；膜片54可以透射的光信号的波长范围为第二波长范围，膜片54可以反射的光信号的波长范围为第四光信号的波长范围。
在上述的双向光组件50中，首先，由于设置有膜片53、膜片54以及玻璃晶体52，玻璃晶体52，用于将倾斜面f2接收的第一光信号传输至倾斜面f1；膜片53，用于将倾斜面f1接收的第一光信号中，第一波长范围内的第二光信号透射至开口K2的光接收组件ROSA1；膜片53，还用于将倾斜面f1接收的第一光信号中，第二波长范围内的第三光信号反射至倾斜面f2；膜片54，用于将倾斜面f2接收的第三光信号透射至开口K3的光接收组件ROSA2，因此，该双向光组件50可以将第一光信号中第一波长范围内的第二光信号传输至光接收组件ROSA1，将第一光信号中第二波长范围内的第三光信号传输至光接收组件ROSA2，实现接收不同波长范围的两个光信号的功能，且该双向光组件通过两个膜片以及一个玻璃晶体即可实现接 收不同波长范围的两个光信号的功能，结构相对简单。其次，玻璃晶体52，还用于将倾斜面f1接收的第四光信号传输至倾斜面f2；膜片54，还用于将倾斜面f2接收的第四光信号反射至倾斜面f1；膜片53，还用于将倾斜面f1接收的第四光信号反射至倾斜面f2；光纤，还用于将倾斜面f2接收的第四光信号输出，因此，该双向光组件50也可以实现输出光信号的功能。再次，由于膜片53，将倾斜面f1接收的第一光信号中第二波长范围内的第三光信号反射至倾斜面f2，可知膜片53是贴装于玻璃晶体52的倾斜面f1上，由于膜片54，还用于将倾斜面f2接收的第四光信号反射至倾斜面f1，可知膜片54是贴装于玻璃晶体52的倾斜面f2上,其中，玻璃晶体52的倾斜面的倾斜角度满足上述的光信号的传输要求，且玻璃晶体52在制作时其倾斜面的倾斜角度的精度可以控制的很高，那么在将膜片53与膜片54贴装于玻璃晶体52上时，其贴装的角度误差为±0.2°，且不需要在腔体内设置制作支撑膜片53的斜面以及支撑膜片54的斜面，该双向光组件50的制作也将更简单。其中，由于膜片53与膜片54贴装在玻璃晶体52上的贴装角度误差为±0.2°，那么在膜片53与膜片54的分光能力比较强时，双向光组件50可以将两个波长差较小的光信号分别传输至特定的光接收组件中，也使得双向光组件50接收光信号的接收准确度进一步提升。
示例性的，如图16所示，开口K1与倾斜面f2相对，开口K2与倾斜面f1相对，那么，膜片53，透射至开口K2的光接收组件ROSA1的第二光信号可能恰好传输至光接收组件ROSA1。但是，图16中的光接收组件ROSA2设置于倾斜面f2(或者倾斜面f1)的第一端，按照图16所示的双向光组件50的摆放位置，该第一端可以是倾斜面f2(或者倾斜面f1)的下端。那么，图16所示的双向光组件50，腔体内还设置有反射结构S1。膜片54，具体用于将第三光信号透射至反射结构S1；反射结构S1，用于将第三光信号反射至开口K3的光接收组件ROSA2。
在一些实施例中，为了使得双向光组件50中的光接收组件ROSA1与ROSA2的位置方便设置，参照图17所示，腔体内还设置有反射结构S2。膜片53，具体用于将第二光信号透射至反射结构S2；反射结构S2，用于将第二光信号反射至开口K2的光接收组件ROSA1。
在腔体中设置反射结构S1与反射结构S2时，反射结构S2将第二光信号反射至开口K2的光接收组件ROSA1，反射结构S1将第三光信号反射至开口K3的光接收组件ROSA2，那么，双向光组件中的光接收组件ROSA1与光接收组件ROSA2的设置位置将可以改变，例如可以将光接收组件ROSA1与光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第一端，按照图17所示的双向光组件50的摆放位置，该第一端可以是倾斜面f2(或者倾斜面f1)的下端。又例如，可以将光接收组件ROSA1与光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第二端，按照图17所示的双向光组件50的摆放位置，该第二端可以是倾斜面f2(或者倾斜面f1)的上端。再例如可以将光接收组件ROSA1设置于倾斜面f2(或者倾斜面f1)的第一端，将光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第二端，或者，将光接收组件ROSA1设置于倾斜面f2(或者倾斜面f1)的第二端，将光接收组件ROSA2均设置于倾斜面f2(或者倾斜面f1)的第一端。本申请的实施例对光接收组件ROSA1与光接收组件ROSA2的设置位置不做限定。其中，图17示出的光接收组件ROSA1设置于倾斜面f2(或者倾斜面f1)的第二端，光接收组件ROSA2设置于倾斜面f2(或者倾斜面f1)的第一端。
在再一些实施例中，双向光组件50可以将三个不同波长范围的光信号分别传输至对应的光接收组件ROSA。参照图18所示，在图17所示的双向光组件50的基础上，图18所示的双向光组件50，外壳51上还设置有开口K5，其中，开口K5内耦合光接收组件ROSA3；腔体中还设置有膜片55。图18所示的双向光组件50输出第四光信号的过程与图17所示的双向光组件50输出第四光信号的过程一致，在此不赘述。
在图18所示的双向光组件50接收光信号时，光纤，用于从开口K1向腔体中的玻璃晶体52的倾斜面f2传输第一光信号；玻璃晶体52，用于将倾斜面f2接收的第一光信号传输至倾斜面f1；膜片53，用于将倾斜面f1接收的第一光信号中，第一波长范围内的第二光信号透射至开口K2的光接收组件ROSA1；膜片53，还用于将倾斜面f1接收的第一光信号中，第二波长范围内的第三光信号反射至倾斜面f2；膜片54，具体用于将倾斜面f2接收的第三光信号中，第三波长范围的第五光信号透射至开口K3的光接收组件ROSA2；膜片54，还用于将倾斜面f2接收的第三光信号中，第四波长范围的第六光信号反射至倾斜面f1；膜片55，用于将第六光信号透射至开口K5的光接收组件ROSA3。
具体的，图18所示的双向光组件50中的膜片53可以透射的光信号的波长范围为第一波长范围，膜片53可以反射的光信号的波长范围为第二波长范围以及第四光信号的波长范围；膜片54可以透射的光信 号的波长范围为第三波长范围，膜片54可以反射的光信号的波长范围为第四波长范围以及第四光信号的波长范围，膜片55可以透射的光信号的波长范围为第四波长范围，膜片55可以反射的光信号的波长范围为第四光信号的波长范围。
示例性的，如图18所示，开口K1与倾斜面f2相对，开口K2与倾斜面f1相对，开口K5与倾斜面f1相对，那么，膜片53，透射至开口K2的光接收组件ROSA1的第二光信号可能恰好传输至光接收组件ROSA1，膜片55，透射至开口K5的光接收组件ROSA3的第六光信号可能恰好传输至光接收组件ROSA3。但是，图18中的光接收组件ROSA2设置于倾斜面f2(或者倾斜面f1)的第一端，按照图18所示的双向光组件50的摆放位置，该第一端可以是倾斜面f2(或者倾斜面f1)的下端。那么，图18所示的双向光组件50，腔体内还设置有反射结构S1。膜片54，具体用于将第五光信号透射至反射结构S1；反射结构S1，用于将第五光信号反射至开口K3的光接收组件ROSA2。
在一些实施例中，如图19所示，为了使得双向光组件50中的光接收组件ROSA1、光接收组件ROSA2以及光接收组件ROSA3的位置方便设置，参照图19所示，腔体内还设置有反射结构S2以及反射结构S3。膜片53，具体用于将第二光信号透射至反射结构S2；反射结构S2，用于将第二光信号反射至开口K2的光接收组件ROSA1；膜片55，具体用于将第六光信号透射至反射结构S3；反射结构S3，用于将第六光信号反射至开口K5的光接收组件ROSA3。
示例性的，图6至图19中任一幅图所示的双向光组件50中可以设置更多的膜片，本申请的实施例对此不做限定。
示例性的，本申请的实施例提供了一种光模块，该光模块中包括印刷电路板(printed circuit board，PCB)以及双向光组件，该双向光组件可以是图6至图19中任一幅图所示的双向光组件50，其中，双向光组件与PCB电连接。示例性的，可以是双向光组件中的光接收组件与PCB电连接，光接收组件中设置有光电转换芯片以及放大器，该光电转换芯片具体可以是光电二极管(photo diode，PD)构成的芯片或者PIN二极管(pindiode)构成的芯片或者雪崩光电二极管(avalanche photon diode，APD)构成的芯片，光电转换芯片将接收到的光信号转换成电信号，将电信号传输至放大器，放大器对电信号进行放大，将放大后的电信号传输至PCB；和/或；也可以是双向光组件中的光发送组件与PCB电连接，光发送组件中包括电光转换芯片，该电光转换芯片具体可以是激光二极管(laser diode，LD)构成的芯片，其中，电光转换芯片接收PCB传输的携带发送信息的电信号，将电信号转换成光信号，进而将光信号通过双向光组件输出。
示例性的，上述的光模块可以设置于图4所示的OLT11中，在另一些实施例中，上述的光模块还可以设置于任一个需要接收多个不同波长的通信设备中。本申请的实施例对此不做限定。
尽管结合具体特征及其实施例对本申请进行了描述，显而易见的，在不脱离本申请的精神和范围的情况下，可对其进行各种修改和组合。相应地，本说明书和附图仅仅是所附权利要求所界定的本申请的示例性说明，且视为已覆盖本申请范围内的任意和所有修改、变化、组合或等同物。显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (20)

  1. 一种双向光组件，其特征在于，包括：
    具有腔体的外壳；
    所述外壳上设置有与所述腔体连通的第一开口、第二开口、第三开口以及第四开口，其中，所述第一开口内耦合有光纤，所述第二开口内耦合有第一光接收组件，所述第三开口内耦合有第二光接收组件，所述第四开口内耦合有光发送组件；
    所述腔体内设置有第一膜片、第二膜片和玻璃晶体，所述玻璃晶体包括相对平行设置的第一倾斜面与第二倾斜面；
    所述光纤，用于从所述第一开口向所述腔体中的所述第一膜片传输第一光信号；
    所述第一膜片，用于将所述第一光信号反射至所述玻璃晶体的第一倾斜面；
    所述玻璃晶体，用于将所述第一倾斜面接收的所述第一光信号传输至所述第二倾斜面；
    所述第二膜片，用于将所述第二倾斜面接收的所述第一光信号中，第一波长范围内的第二光信号透射至所述第二开口的所述第一光接收组件；
    所述第二膜片，还用于将所述第二倾斜面接收的所述第一光信号中，第二波长范围内的第三光信号反射至所述第一倾斜面；
    所述第二光接收组件，用于接收所述第一倾斜面输出的所述第三光信号；
    所述光发送组件，用于从所述第四开口向所述腔体中的所述第一膜片传输第四光信号；
    所述第一膜片，还用于将所述第四光信号透射至所述第一开口中的所述光纤。
  2. 根据权利要求1所述的双向光组件，其特征在于，
    所述腔体内还设置有第一反射结构与第二反射结构；
    所述第二膜片，具体用于将所述第二光信号透射至所述第一反射结构；
    所述第一反射结构，用于将所述第二光信号反射至所述第二开口的所述第一光接收组件；
    所述第二反射结构，用于将所述第一倾斜面接收的所述第三光信号反射至所述第三开口的所述第二光接收组件；
    所述第二光接收组件，具体用于接收所述第二反射结构反射的所述第三光信号。
  3. 根据权利要求1所述的双向光组件，其特征在于，
    所述外壳上还设置有第五开口，其中，所述第五开口内耦合第三光接收组件；
    所述腔体中还设置有第三膜片；
    所述第三膜片，用于将所述第一倾斜面接收的所述第三光信号中，第三波长范围内的第五光信号透射至所述第三开口的所述第二光接收组件；
    所述第二光接收组件，具体用于接收所述第五光信号；
    所述第三膜片，还用于将所述第一倾斜面接收的所述第三光信号中，第四波长范围内的第六光信号反射至所述第二倾斜面；
    所述第三光接收组件，用于接收所述第二倾斜面输出的所述第六光信号。
  4. 根据权利要求3所述的双向光组件，其特征在于，
    所述腔体内还设置有第一反射结构、第二反射结构与第三反射结构；
    所述第二膜片，具体用于将所述第二光信号透射至所述第一反射结构；
    所述第一反射结构，用于将所述第二光信号反射至所述第二开口的所述第一光接收组件；
    所述第三膜片，具体用于将所述第五光信号透射至所述第二反射结构；
    所述第二反射结构，用于将所述第五光信号反射至所述第三开口的所述第二光接收组件；
    所述第三反射结构，用于将所述第二倾斜面接收的所述第六光信号反射至所述第五开口的所述第三光接收组件；
    所述第三光接收组件，具体用于接收所述第三反射结构反射的所述第六光信号。
  5. 根据权利要求1所述的双向光组件，其特征在于，
    所述腔体内还设置有第四膜片以及反射片；
    所述第四膜片，用于将所述第一倾斜面接收的所述第三光信号中，第五波长范围内的第七光信号反射至所述第二倾斜面；
    所述第四膜片，还用于将所述第一倾斜面接收的所述第三光信号中，第六波长范围内的第八光信号透射；
    所述反射片，用于将所述第二倾斜面接收的所述第七光信号反射至所述第一倾斜面；
    所述第二光接收组件，用于接收所述第一倾斜面输出的所述第七光信号。
  6. 根据权利要求1所述的双向光组件，其特征在于，
    所述腔体内还设置有第四膜片以及反射片；
    所述反射片，用于将所述第一倾斜面接收的所述第三光信号反射至所述第二倾斜面；
    所述第四膜片，用于将所述第二倾斜面接收的所述第三光信号中，第五波长范围内的第七光信号反射至所述第一倾斜面；
    所述第四膜片，还用于将所述第二倾斜面接收的所述第三光信号中，第六波长范围内的第八光信号透射；
    所述第二光接收组件，用于接收所述第一倾斜面输出的所述第七光信号。
  7. 根据权利要求5或6所述的双向光组件，其特征在于，
    所述腔体内还设置有第一反射结构与第二反射结构；
    所述第二膜片，具体用于将所述第二光信号透射至所述第一反射结构；
    所述第一反射结构，用于将所述第二光信号反射至所述第二开口的所述第一光接收组件；
    所述第二反射结构，用于将所述第一倾斜面接收的所述第七光信号反射至所述第三开口的所述第二光接收组件；
    所述第二光接收组件，具体用于接收所述第二反射结构反射的所述第七光信号。
  8. 根据权利要求1所述的双向光组件，其特征在于，
    所述腔体内还设置有第四反射结构；
    所述第四反射结构，用于将所述第一倾斜面接收的所述第三光信号反射至所述第二倾斜面；
    所述第二光接收组件，具体用于接收所述第二倾斜面输出的所述第三光信号。
  9. 根据权利要求8所述的双向光组件，其特征在于，
    所述腔体内还设置有第一反射结构与第二反射结构；
    所述第二膜片，具体用于将所述第二光信号透射至所述第一反射结构；
    所述第一反射结构，用于将所述第二光信号反射至所述第二开口的所述第一光接收组件；
    所述第二反射结构，用于将所述第二倾斜面接收的所述第三光信号反射至所述第三开口的所述第二光接收组件；
    所述第二光接收组件，具体用于接收所述第二反射结构反射的所述第三光信号。
  10. 根据权利要求8所述的双向光组件，其特征在于，
    所述外壳上还设置有第五开口，其中，所述第五开口内耦合第三光接收组件；
    所述腔体中还设置有第三膜片；
    所述第三膜片，用于将所述第二倾斜面接收的所述第三光信号中，第三波长范围内的第五光信号透射至所述第五开口的所述第三光接收组件；
    所述第三膜片，还用于将所述第二倾斜面接收的所述第三光信号中，第四波长范围内的第六光信号反射至所述第一倾斜面；
    所述第四反射结构，还用于将所述第一倾斜面接收的所述第六光信号反射至所述第二倾斜面；
    所述第二光接收组件，具体用于接收所述第二倾斜面输出的所述第六光信号。
  11. 根据权利要求10所述的双向光组件，其特征在于，
    所述腔体内还设置有第一反射结构、第二反射结构以及第三反射结构；
    所述第二膜片，具体用于将所述第二光信号透射至所述第一反射结构；
    所述第一反射结构，用于将所述第二光信号反射至所述第二开口的所述第一光接收组件；
    所述第三膜片，具体用于将所述第五光信号透射至所述第三反射结构；
    所述第三反射结构，用于将所述第五光信号反射至所述第五开口的所述第三光接收组件；
    所述第二反射结构，用于将所述第二倾斜面接收的所述第六光信号反射至所述第三开口的所述第二光接收组件；
    所述第二光接收组件，具体用于接收所述第二反射结构反射的所述第六光信号。
  12. 根据权利要求1-4任一项所述的双向光组件，其特征在于，
    所述光纤，具体用于从所述第一开口向所述腔体中的所述玻璃晶体的所述第二倾斜面传输所述第一光信号；
    所述玻璃晶体，用于将所述第二倾斜面接收的所述第一光信号通过所述第一倾斜面传输至所述第一膜片；
    所述第一膜片，具体用于将所述第四光信号透射至所述玻璃晶体的所述第一倾斜面；
    所述玻璃晶体，还用于将所述第一倾斜面接收的所述第四光信号通过所述第二倾斜面传输至所述第一开口中的所述光纤。
  13. 根据权利要求8-11任一项所述的双向光组件，其特征在于，
    所述腔体内还设置有第五反射结构；
    所述第一膜片，具体用于将所述第一光信号反射至所述第五反射结构；
    所述第五反射结构，用于将所述第一光信号反射至所述玻璃晶体的第一倾斜面。
  14. 一种双向光组件，其特征在于，包括：
    具有腔体的外壳；
    所述外壳上设置有与所述腔体连通的第一开口、第二开口、第三开口以及第四开口，其中，所述第一开口内耦合有光纤，所述第二开口内耦合有第一光接收组件，所述第三开口内耦合有第二光接收组件，所述第四开口内耦合有光发送组件；
    所述腔体内设置有第一膜片、第二膜片和玻璃晶体，所述玻璃晶体包括相对平行设置的第一倾斜面与第二倾斜面；
    所述光纤，用于从所述第一开口向所述腔体中的所述玻璃晶体的所述第二倾斜面传输所述第一光信号；
    所述玻璃晶体，用于将所述第二倾斜面接收的所述第一光信号传输至所述第一倾斜面；
    所述第一膜片，用于将所述第一倾斜面接收的所述第一光信号中，第一波长范围内的第二光信号透射至所述第二开口的所述第一光接收组件；
    所述第一膜片，还用于将所述第一倾斜面接收的所述第一光信号中，第二波长范围内的第三光信号反射至所述第二倾斜面；
    所述第二膜片，用于将所述第二倾斜面接收的所述第三光信号透射至所述第三开口的所述第二光接收组件；
    所述光发送组件，用于从所述第四开口向所述腔体中的所述玻璃晶体的所述第一倾斜面传输第四光信号；
    所述玻璃晶体，还用于将所述第一倾斜面接收的所述第四光信号传输至所述第二倾斜面；
    所述第二膜片，还用于将所述第二倾斜面接收的所述第四光信号反射至所述第一倾斜面；
    所述第一膜片，还用于将所述第一倾斜面接收的所述第四光信号反射至所述第二倾斜面；
    所述光纤，还用于将所述第二倾斜面接收的所述第四光信号输出。
  15. 根据权利要求14所述的双向光组件，其特征在于，
    所述腔体内还设置有第一反射结构；
    所述第二膜片，具体用于将所述第三光信号透射至所述第一反射结构；
    所述第一反射结构，用于将所述第三光信号反射至所述第三开口的所述第二光接收组件。
  16. 根据权利要求14或15所述的双向光组件，其特征在于，
    所述腔体内还设置有第二反射结构；
    所述第一膜片，具体用于将所述第二光信号透射至所述第二反射结构；
    所述第二反射结构，用于将所述第二光信号反射至所述第二开口的所述第一光接收组件。
  17. 根据权利要求14所述的双向光组件，其特征在于，
    所述外壳上还设置有第五开口，其中，所述第五开口内耦合第三光接收组件；
    所述腔体中还设置有第三膜片；
    所述第二膜片，具体用于将所述第二倾斜面接收的所述第三光信号中，第三波长范围的第五光信号透射至所述第三开口的所述第二光接收组件；
    所述第二膜片，还用于将所述第二倾斜面接收的所述第三光信号中，第四波长范围的第六光信号反射至所述第一倾斜面；
    所述第三膜片，用于将所述第六光信号透射至所述第五开口的所述第三光接收组件。
  18. 根据权利要求17所述的双向光组件，其特征在于，
    所述腔体内还设置有第一反射结构；
    所述第二膜片，具体用于将所述第五光信号透射至所述第一反射结构；
    所述第一反射结构，用于将所述第五光信号反射至所述第三开口的所述第二光接收组件。
  19. 根据权利要求17或18所述的双向光组件，其特征在于，
    所述腔体内还设置有第二反射结构以及第三反射结构；
    所述第一膜片，具体用于将所述第二光信号透射至所述第二反射结构；
    所述第二反射结构，用于将所述第二光信号反射至所述第二开口的所述第一光接收组件；
    所述第三膜片，具体用于将所述第六光信号透射至所述第三反射结构；
    所述第三反射结构，用于将所述第六光信号反射至所述第五开口的所述第三光接收组件。
  20. 一种光模块，其特征在于，所述光模块包括如权利要求1-19任一项所述的双向光组件以及印刷电路板，所述双向光组件与所述印刷电路板电连接。
PCT/CN2023/102666 2022-09-09 2023-06-27 双向光组件以及光模块 Ceased WO2024051288A1 (zh)

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CN121142728A (zh) * 2024-06-13 2025-12-16 青岛海信宽带多媒体技术有限公司 一种光模块

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EP4585983A4 (en) 2025-12-31

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