US20160020573A1 - Connection structure for multi-core fiber and optical-fiber-bundle structure, connection structure for multi-core fibers, method for exciting rare-earth-doped multi-core fibers, and multi-core-optical-fiber amplifier - Google Patents

Connection structure for multi-core fiber and optical-fiber-bundle structure, connection structure for multi-core fibers, method for exciting rare-earth-doped multi-core fibers, and multi-core-optical-fiber amplifier Download PDF

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Publication number
US20160020573A1
US20160020573A1 US14/834,448 US201514834448A US2016020573A1 US 20160020573 A1 US20160020573 A1 US 20160020573A1 US 201514834448 A US201514834448 A US 201514834448A US 2016020573 A1 US2016020573 A1 US 2016020573A1
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United States
Prior art keywords
fiber
core
optical
core fiber
pump light
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Abandoned
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US14/834,448
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English (en)
Inventor
Kengo Watanabe
Tsunetoshi Saito
Yukihiro Tsuchida
Koichi Maeda
Katsunori IMAMURA
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Furukawa Electric Co Ltd
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Furukawa Electric Co Ltd
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Priority to US14/834,448 priority Critical patent/US20160020573A1/en
Assigned to FURUKAWA ELECTRIC CO., LTD. reassignment FURUKAWA ELECTRIC CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: IMAMURA, KATSUNORI, MAEDA, KOICHI, SAITO, TSUNETOSHI, TSUCHIDA, YUKIHIRO, WATANABE, KENGO
Publication of US20160020573A1 publication Critical patent/US20160020573A1/en
Abandoned legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers
    • H01S3/06783—Amplifying coupler
    • 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
    • G02B6/2552—Splicing of light guides, e.g. by fusion or bonding reshaping or reforming of light guides for coupling using thermal heating, e.g. tapering, forming of a lens on light guide ends
    • 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
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2856—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers formed or shaped by thermal heating means, e.g. splitting, branching and/or combining 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
    • G02B6/36—Mechanical coupling means
    • G02B6/40—Mechanical coupling means having fibre bundle mating means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06729—Peculiar transverse fibre profile
    • H01S3/06737—Fibre having multiple non-coaxial cores, e.g. multiple active cores or separate cores for pump and gain
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06745—Tapering of the fibre, core or active region
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094042—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a fibre laser
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16—Solid materials
    • H01S3/1601—Solid materials characterised by an active (lasing) ion
    • H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
    • H01S3/1608—Solid materials characterised by an active (lasing) ion rare earth erbium
US14/834,448 2013-02-26 2015-08-25 Connection structure for multi-core fiber and optical-fiber-bundle structure, connection structure for multi-core fibers, method for exciting rare-earth-doped multi-core fibers, and multi-core-optical-fiber amplifier Abandoned US20160020573A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/834,448 US20160020573A1 (en) 2013-02-26 2015-08-25 Connection structure for multi-core fiber and optical-fiber-bundle structure, connection structure for multi-core fibers, method for exciting rare-earth-doped multi-core fibers, and multi-core-optical-fiber amplifier

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361769375P 2013-02-26 2013-02-26
PCT/JP2014/054652 WO2014132989A1 (ja) 2013-02-26 2014-02-26 マルチコアファイバと光ファイババンドル構造との接続構造、マルチコアファイバ同士の接続構造、希土類添加マルチコアファイバの励起方法およびマルチコア光ファイバアンプ
US14/834,448 US20160020573A1 (en) 2013-02-26 2015-08-25 Connection structure for multi-core fiber and optical-fiber-bundle structure, connection structure for multi-core fibers, method for exciting rare-earth-doped multi-core fibers, and multi-core-optical-fiber amplifier

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/054652 Continuation WO2014132989A1 (ja) 2013-02-26 2014-02-26 マルチコアファイバと光ファイババンドル構造との接続構造、マルチコアファイバ同士の接続構造、希土類添加マルチコアファイバの励起方法およびマルチコア光ファイバアンプ

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US20160020573A1 true US20160020573A1 (en) 2016-01-21

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US14/835,641 Active US9692201B2 (en) 2013-02-26 2015-08-25 Optical-fiber-bundle structure, rare-earth-doped multi-core fiber, connection structure therefor, method for exciting rare-earth-doped multi-core fibers, and multi-core-optical-fiber amplifier
US14/834,448 Abandoned US20160020573A1 (en) 2013-02-26 2015-08-25 Connection structure for multi-core fiber and optical-fiber-bundle structure, connection structure for multi-core fibers, method for exciting rare-earth-doped multi-core fibers, and multi-core-optical-fiber amplifier

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US14/835,641 Active US9692201B2 (en) 2013-02-26 2015-08-25 Optical-fiber-bundle structure, rare-earth-doped multi-core fiber, connection structure therefor, method for exciting rare-earth-doped multi-core fibers, and multi-core-optical-fiber amplifier

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US (2) US9692201B2 (ja)
JP (2) JPWO2014132990A1 (ja)
WO (2) WO2014132990A1 (ja)

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US20170235055A1 (en) * 2014-10-17 2017-08-17 Fujikura Ltd. Optical coupler, laser device, and taper fiber
US20170238821A1 (en) * 2014-10-31 2017-08-24 Lake Region Medical, Inc. Fiber Bragg Grating Multi-point Pressure Sensing Guidewire With Birefringent Component
US20180102626A1 (en) * 2016-10-10 2018-04-12 Nec Laboratories America, Inc. Extending System Reach of Unrepeated Systems Using Cascaded Amplifiers
US10018783B2 (en) * 2016-12-05 2018-07-10 Mellanox Technologies, Ltd. Fan-out joint for fiberoptic cables
FR3068486A1 (fr) * 2017-07-03 2019-01-04 Centre National De La Recherche Scientifique Fibre amplificatrice legerement multimode
CN109564328A (zh) * 2016-09-29 2019-04-02 古河电气工业株式会社 光连接结构、光模块
US11726271B1 (en) * 2019-03-08 2023-08-15 Wavefront Research, Inc. Optical interconnect devices

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JP6172642B2 (ja) * 2015-02-18 2017-08-02 株式会社フジクラ マルチコアファイバ及び光ケーブル
JP2018198287A (ja) * 2017-05-24 2018-12-13 日本電信電話株式会社 増幅用ファイバ
EP3627197B1 (en) * 2017-07-03 2022-11-09 Nippon Telegraph and Telephone Corporation Optical fiber and optical transmission system
WO2020237148A1 (en) * 2019-05-23 2020-11-26 Lawrence Livermore National Security, Llc All solid hybrid arrow fiber
JP2021182040A (ja) * 2020-05-18 2021-11-25 住友電気工業株式会社 ファンインファンアウト装置の製造方法及びファンインファンアウト装置
WO2024038648A1 (ja) * 2022-08-19 2024-02-22 株式会社フジクラ 光コネクタおよび光コネクタの製造方法

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US20110279888A1 (en) * 2010-03-16 2011-11-17 Ofs Fitel, Llc Multicore transmission and amplifier fibers and schemes for launching pump light to amplifier cores
US9007681B2 (en) * 2011-12-13 2015-04-14 Ofs Fitel, Llc Multi-core erbium-doped fiber amplifier
US9025239B2 (en) * 2011-12-13 2015-05-05 Ofs Fitel, Llc Multi-core erbium-doped fiber amplifier

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Cited By (13)

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Publication number Priority date Publication date Assignee Title
US20170235055A1 (en) * 2014-10-17 2017-08-17 Fujikura Ltd. Optical coupler, laser device, and taper fiber
US10073220B2 (en) * 2014-10-17 2018-09-11 Fujikura Ltd. Optical coupler, laser device, and taper fiber
US10548489B2 (en) * 2014-10-31 2020-02-04 Lake Region Medical, Inc. Fiber Bragg grating multi-point pressure sensing guidewire with birefringent component
US20170238821A1 (en) * 2014-10-31 2017-08-24 Lake Region Medical, Inc. Fiber Bragg Grating Multi-point Pressure Sensing Guidewire With Birefringent Component
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CN109564328A (zh) * 2016-09-29 2019-04-02 古河电气工业株式会社 光连接结构、光模块
US20180102626A1 (en) * 2016-10-10 2018-04-12 Nec Laboratories America, Inc. Extending System Reach of Unrepeated Systems Using Cascaded Amplifiers
US10741992B2 (en) * 2016-10-10 2020-08-11 Nec Corporation Extending system reach of unrepeated systems using cascaded amplifiers
US10018783B2 (en) * 2016-12-05 2018-07-10 Mellanox Technologies, Ltd. Fan-out joint for fiberoptic cables
WO2019007826A1 (fr) * 2017-07-03 2019-01-10 Centre National De La Recherche Scientifique Fibre amplificatrice légèrement multimode
FR3068486A1 (fr) * 2017-07-03 2019-01-04 Centre National De La Recherche Scientifique Fibre amplificatrice legerement multimode
US11424590B2 (en) 2017-07-03 2022-08-23 Centre National De La Recherche Scientifique Moderately multimodal amplifying fibre
US11726271B1 (en) * 2019-03-08 2023-08-15 Wavefront Research, Inc. Optical interconnect devices

Also Published As

Publication number Publication date
US20160028206A1 (en) 2016-01-28
US9692201B2 (en) 2017-06-27
JPWO2014132990A1 (ja) 2017-02-02
WO2014132990A1 (ja) 2014-09-04
JPWO2014132989A1 (ja) 2017-02-02
WO2014132989A1 (ja) 2014-09-04

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Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WATANABE, KENGO;SAITO, TSUNETOSHI;TSUCHIDA, YUKIHIRO;AND OTHERS;REEL/FRAME:036406/0840

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