JPWO2023176798A1 - - Google Patents

Info

Publication number
JPWO2023176798A1
JPWO2023176798A1 JP2024508169A JP2024508169A JPWO2023176798A1 JP WO2023176798 A1 JPWO2023176798 A1 JP WO2023176798A1 JP 2024508169 A JP2024508169 A JP 2024508169A JP 2024508169 A JP2024508169 A JP 2024508169A JP WO2023176798 A1 JPWO2023176798 A1 JP WO2023176798A1
Authority
JP
Japan
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.)
Pending
Application number
JP2024508169A
Other languages
Japanese (ja)
Other versions
JPWO2023176798A5 (https=
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 filed Critical
Publication of JPWO2023176798A1 publication Critical patent/JPWO2023176798A1/ja
Publication of JPWO2023176798A5 publication Critical patent/JPWO2023176798A5/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/33—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face
    • G01M11/333—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face using modulated input signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • 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
    • G02B6/0288—Multimode fibre, e.g. graded index core for compensating modal dispersion
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • 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
    • G02B6/30—Optical coupling means for use between fibre and thin-film 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
    • G02B6/02—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
    • G02B6/03638—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
    • G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Dispersion Chemistry (AREA)
  • Optical Couplings Of Light Guides (AREA)
JP2024508169A 2022-03-17 2023-03-13 Pending JPWO2023176798A1 (https=)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022042673 2022-03-17
PCT/JP2022/047220 WO2023176085A1 (ja) 2022-03-17 2022-12-21 マルチコア光ファイバ、光コンバイナ、およびファイバ特性測定方法
PCT/JP2023/009708 WO2023176798A1 (ja) 2022-03-17 2023-03-13 マルチコア光ファイバ、光コンバイナ、およびファイバ特性測定方法

Publications (2)

Publication Number Publication Date
JPWO2023176798A1 true JPWO2023176798A1 (https=) 2023-09-21
JPWO2023176798A5 JPWO2023176798A5 (https=) 2024-12-04

Family

ID=88022734

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024508169A Pending JPWO2023176798A1 (https=) 2022-03-17 2023-03-13

Country Status (4)

Country Link
US (1) US20250189717A1 (https=)
JP (1) JPWO2023176798A1 (https=)
CN (1) CN118891552A (https=)
WO (2) WO2023176085A1 (https=)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62144110A (ja) * 1985-12-18 1987-06-27 Furukawa Electric Co Ltd:The マルチコアフアイバの入出力方法
FR2754354B1 (fr) * 1996-10-08 1998-11-06 France Telecom Dispositif de connexion pour fibre optique multicoeur, a base d'elements optiques en espace libre
GB0211445D0 (en) * 2002-05-18 2002-06-26 Qinetiq Ltd Fibre optic connector
JP5678679B2 (ja) * 2010-01-22 2015-03-04 住友電気工業株式会社 マルチコアファイバ
JP2012032524A (ja) * 2010-07-29 2012-02-16 Hitachi Cable Ltd マルチコア光ファイバとそれを用いた軸合わせ方法
CN103513337A (zh) * 2012-06-28 2014-01-15 无锡万润光子技术有限公司 双芯光纤分路器及其制作方法
US8971683B2 (en) * 2012-10-31 2015-03-03 Corning Incorporated Multimode optical fiber and systems comprising such fiber
JP5957718B2 (ja) * 2014-04-24 2016-07-27 国立研究開発法人情報通信研究機構 マルチコア・マルチモードファイバ結合装置
JP6597773B2 (ja) * 2015-03-30 2019-10-30 住友電気工業株式会社 光ファイバの漏洩損失測定方法
JP6681213B2 (ja) * 2016-02-15 2020-04-15 株式会社フジクラ 光デバイス
US10830946B2 (en) * 2016-11-04 2020-11-10 Draka Comteq France Coupled few mode fibers, and corresponding optical link and optical system
JP2018138910A (ja) * 2017-02-24 2018-09-06 株式会社フジクラ マルチコアファイバの特性測定装置及び特性測定方法

Also Published As

Publication number Publication date
CN118891552A (zh) 2024-11-01
WO2023176798A1 (ja) 2023-09-21
US20250189717A1 (en) 2025-06-12
WO2023176085A1 (ja) 2023-09-21

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Legal Events

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Effective date: 20240830

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Effective date: 20260224