JPS5347701A - Optical sweep signal generator - Google Patents

Optical sweep signal generator

Info

Publication number
JPS5347701A
JPS5347701A JP12242876A JP12242876A JPS5347701A JP S5347701 A JPS5347701 A JP S5347701A JP 12242876 A JP12242876 A JP 12242876A JP 12242876 A JP12242876 A JP 12242876A JP S5347701 A JPS5347701 A JP S5347701A
Authority
JP
Japan
Prior art keywords
signal generator
sweep signal
optical sweep
information
optical
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.)
Granted
Application number
JP12242876A
Other languages
Japanese (ja)
Other versions
JPS5634849B2 (en
Inventor
Shingo Uehara
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP12242876A priority Critical patent/JPS5347701A/en
Publication of JPS5347701A publication Critical patent/JPS5347701A/en
Publication of JPS5634849B2 publication Critical patent/JPS5634849B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5057—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output
    • H04B10/50572—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output to control the modulating signal amplitude including amplitude distortion
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/0327—Operation of the cell; Circuit arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
    • G02F1/0123—Circuits for the control or stabilisation of the bias voltage, e.g. automatic bias control [ABC] feedback loops

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)

Abstract

PURPOSE:To secure a flat and wide-band modulation performance by extracting the information on the modulation performance and giving a negative feedback to the information to the optical modulator driving circuit.
JP12242876A 1976-10-13 1976-10-13 Optical sweep signal generator Granted JPS5347701A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12242876A JPS5347701A (en) 1976-10-13 1976-10-13 Optical sweep signal generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12242876A JPS5347701A (en) 1976-10-13 1976-10-13 Optical sweep signal generator

Publications (2)

Publication Number Publication Date
JPS5347701A true JPS5347701A (en) 1978-04-28
JPS5634849B2 JPS5634849B2 (en) 1981-08-13

Family

ID=14835582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12242876A Granted JPS5347701A (en) 1976-10-13 1976-10-13 Optical sweep signal generator

Country Status (1)

Country Link
JP (1) JPS5347701A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55119037A (en) * 1979-03-02 1980-09-12 Pophillat Lucien Device for measuring transfer function of optical fibers
JPH08210944A (en) * 1995-02-02 1996-08-20 Yokogawa Electric Corp Optical fiber inspection equipment
JPH08219947A (en) * 1995-02-09 1996-08-30 Yokogawa Electric Corp Optical fiber inspection equipment
USRE36088E (en) * 1990-03-01 1999-02-09 Fujitsu Limited Optical transmitter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55119037A (en) * 1979-03-02 1980-09-12 Pophillat Lucien Device for measuring transfer function of optical fibers
USRE36088E (en) * 1990-03-01 1999-02-09 Fujitsu Limited Optical transmitter
JPH08210944A (en) * 1995-02-02 1996-08-20 Yokogawa Electric Corp Optical fiber inspection equipment
JPH08219947A (en) * 1995-02-09 1996-08-30 Yokogawa Electric Corp Optical fiber inspection equipment

Also Published As

Publication number Publication date
JPS5634849B2 (en) 1981-08-13

Similar Documents

Publication Publication Date Title
SE7702855L (en) INJECTION LASER CONTROL CIRCUIT
JPS5354916A (en) Information compression facsimile device
JPS5376348A (en) Power source circuit
GB1544385A (en) Frequency modulated single point fuel injection circuit with duty cycle modulation
JPS5348720A (en) Musical sound composing system
DK475277A (en) IMPULSE MODULATED HIGH FREQUENCY TRANSMITTER
JPS5347704A (en) Reduction communication device
JPS537348A (en) Electro-optical light modulator
JPS5221843A (en) Solid state thin film light modulation element
JPS5367341A (en) Output circuit
NL7706988A (en) ELECTRO-OPTICAL MODULATOR / DEFLECTOR.
JPS5360208A (en) Information modulator
JPS5311046A (en) Dielectric light modulator
SU608258A1 (en) Pulse modulator
JPS52150642A (en) Optical scanning apparatus
JPS5271911A (en) Dc-ac amplitude modulation transmitting system
JPS5368129A (en) Laser recording unit
JPS52112335A (en) Photo modulator
JPS5431761A (en) Light modulating circuit
JPS51123508A (en) Multisignal modulator
JPS5238863A (en) Power line carrier line filter
JPS5222864A (en) Amplitude modulation transmitter
JPS52153685A (en) Light transmission device
JPS53100789A (en) Photo semiconductor device
JPS5374867A (en) Peak output stabilizing circuit