DK3779543T3 - Flerkernet optisk fiber og flerkernet optisk fiberkabel - Google Patents

Flerkernet optisk fiber og flerkernet optisk fiberkabel

Info

Publication number
DK3779543T3
DK3779543T3 DK19786054.7T DK19786054T DK3779543T3 DK 3779543 T3 DK3779543 T3 DK 3779543T3 DK 19786054 T DK19786054 T DK 19786054T DK 3779543 T3 DK3779543 T3 DK 3779543T3
Authority
DK
Denmark
Prior art keywords
optical fiber
multicore optical
fiber cable
cable
multicore
Prior art date
Application number
DK19786054.7T
Other languages
English (en)
Inventor
Tetsuya Hayashi
Original Assignee
Sumitomo Electric Industries
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 Sumitomo Electric Industries filed Critical Sumitomo Electric Industries
Application granted granted Critical
Publication of DK3779543T3 publication Critical patent/DK3779543T3/da

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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02042—Multicore optical fibres
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
    • G02B6/0281—Graded index region forming part of the central core segment, e.g. alpha profile, triangular, trapezoidal core
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03605—Highest refractive index not on central axis
    • G02B6/03611—Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
    • G02B6/03627—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - +
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
    • G02B6/03633—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - -
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03638—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only
    • G02B6/0365—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only arranged - - +
    • 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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/441—Optical cables built up from sub-bundles
    • G02B6/4413—Helical structure
    • 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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/4434—Central member to take up tensile loads

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
DK19786054.7T 2018-04-09 2019-02-27 Flerkernet optisk fiber og flerkernet optisk fiberkabel DK3779543T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018074674 2018-04-09
PCT/JP2019/007637 WO2019198365A1 (ja) 2018-04-09 2019-02-27 マルチコア光ファイバおよびマルチコア光ファイバケーブル

Publications (1)

Publication Number Publication Date
DK3779543T3 true DK3779543T3 (da) 2026-02-09

Family

ID=68163146

Family Applications (1)

Application Number Title Priority Date Filing Date
DK19786054.7T DK3779543T3 (da) 2018-04-09 2019-02-27 Flerkernet optisk fiber og flerkernet optisk fiberkabel

Country Status (6)

Country Link
US (1) US11256026B2 (da)
EP (1) EP3779543B1 (da)
JP (1) JP7268677B2 (da)
CN (1) CN112219145B (da)
DK (1) DK3779543T3 (da)
WO (1) WO2019198365A1 (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11881675B2 (en) * 2019-04-08 2024-01-23 Nec Corporation Optical amplification device, optical transmission system, and optical amplification method
JP6715372B1 (ja) * 2019-04-25 2020-07-01 日本電信電話株式会社 マルチコア光ファイバ及び設計方法
WO2022065435A1 (ja) * 2020-09-24 2022-03-31 住友電気工業株式会社 マルチコア光ファイバ及び光伝送システム
CN114650095B (zh) * 2020-12-21 2024-05-14 华为技术有限公司 一种多芯光纤、传输系统和多芯光纤扩容方法
US12242115B2 (en) * 2020-12-25 2025-03-04 Sumitomo Electric Industries, Ltd. Cable with connector
US11726257B2 (en) 2021-03-05 2023-08-15 Corning Incorporated Multicore optical fiber
US20240344928A1 (en) * 2021-08-02 2024-10-17 Nippon Telegraph And Telephone Corporation Device, method and system for calculating power coupling coefficients between cores
WO2025196942A1 (ja) * 2024-03-19 2025-09-25 Ｎｔｔ株式会社 光ファイバケーブル及びその製造方法
WO2025203217A1 (ja) * 2024-03-26 2025-10-02 Ｎｔｔ株式会社 光ファイバケーブル及びその製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013161825A1 (ja) 2012-04-26 2013-10-31 住友電気工業株式会社 マルチコア光ファイバ、マルチコア光ファイバケーブル、および、マルチコア光ファイバ伝送システム
JP6226905B2 (ja) * 2015-03-30 2017-11-08 株式会社フジクラ マルチコア光ファイバ、及び、マルチコア光ファイバの製造方法
JP6453166B2 (ja) * 2015-06-17 2019-01-16 日本電信電話株式会社 マルチコア光ファイバ、光ファイバの製造方法、光ファイバケーブルの製造方法
WO2017061184A1 (ja) 2015-10-08 2017-04-13 住友電気工業株式会社 マルチコア光ファイバ、マルチコア光ファイバケーブルおよび光ファイバ伝送システム
CN105425335B (zh) * 2015-12-17 2019-04-16 长飞光纤光缆股份有限公司 一种通信用抗弯多芯光纤
US10234344B2 (en) 2016-02-04 2019-03-19 Ofs Fitel, Llc Compact multicore fiberoptic device for sensing components of force
JP6611250B2 (ja) * 2016-03-14 2019-11-27 日本電信電話株式会社 マルチコア光ファイバ及びマルチコア光ファイバの設計方法
EP3457184A4 (en) * 2016-05-10 2019-05-22 Sumitomo Electric Industries, Ltd. MULTILADER COUPLED OPTICAL FIBER AND OPTICAL TRANSMISSION SYSTEM THEREWITH
JP6798250B2 (ja) 2016-10-26 2020-12-09 村田機械株式会社 走行車

Also Published As

Publication number Publication date
EP3779543A1 (en) 2021-02-17
US20210003774A1 (en) 2021-01-07
EP3779543B1 (en) 2026-01-07
JPWO2019198365A1 (ja) 2021-04-15
CN112219145A (zh) 2021-01-12
JP7268677B2 (ja) 2023-05-08
WO2019198365A1 (ja) 2019-10-17
EP3779543A4 (en) 2021-05-12
CN112219145B (zh) 2022-12-20
US11256026B2 (en) 2022-02-22

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