JP7161985B2 - 光カプラ及び光増幅器 - Google Patents

光カプラ及び光増幅器 Download PDF

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Publication number
JP7161985B2
JP7161985B2 JP2019210580A JP2019210580A JP7161985B2 JP 7161985 B2 JP7161985 B2 JP 7161985B2 JP 2019210580 A JP2019210580 A JP 2019210580A JP 2019210580 A JP2019210580 A JP 2019210580A JP 7161985 B2 JP7161985 B2 JP 7161985B2
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Japan
Prior art keywords
core
optical
optical fiber
cores
coupling
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JP2019210580A
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English (en)
Japanese (ja)
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JP2021081648A5 (https=
JP2021081648A (ja
Inventor
雄太 若山
剛宏 釣谷
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KDDI Corp
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KDDI Corp
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Priority to JP2019210580A priority Critical patent/JP7161985B2/ja
Priority to PCT/JP2020/031975 priority patent/WO2021100275A1/ja
Priority to EP20888784.4A priority patent/EP4064468B1/en
Priority to CN202080061606.XA priority patent/CN114341688B/zh
Publication of JP2021081648A publication Critical patent/JP2021081648A/ja
Publication of JP2021081648A5 publication Critical patent/JP2021081648A5/ja
Priority to US17/687,344 priority patent/US12506316B2/en
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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
    • H01S3/06708—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
    • 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
    • G02B6/2821—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 using lateral coupling between contiguous fibres to split or combine optical signals
    • 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
    • G02B6/2852—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 using tapping light guides arranged sidewardly, e.g. in a non-parallel relationship with respect to the bus light guides (light extraction or launching through cladding, with or without surface discontinuities, bent structures)
    • 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
    • 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
    • H01S3/094019—Side pumped fibre, whereby pump light is coupled laterally into the fibre via an optical component like a prism, or a grating, or via V-groove coupling
    • 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
    • H01S3/094049—Guiding of the pump light
    • H01S3/094053—Fibre coupled pump, e.g. delivering pump light using a fibre or a fibre bundle
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
JP2019210580A 2019-11-21 2019-11-21 光カプラ及び光増幅器 Active JP7161985B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2019210580A JP7161985B2 (ja) 2019-11-21 2019-11-21 光カプラ及び光増幅器
PCT/JP2020/031975 WO2021100275A1 (ja) 2019-11-21 2020-08-25 光カプラ及び光増幅器
EP20888784.4A EP4064468B1 (en) 2019-11-21 2020-08-25 Optical coupler and optical amplifier
CN202080061606.XA CN114341688B (zh) 2019-11-21 2020-08-25 光耦合器以及光放大器
US17/687,344 US12506316B2 (en) 2019-11-21 2022-03-04 Optical coupler and optical amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019210580A JP7161985B2 (ja) 2019-11-21 2019-11-21 光カプラ及び光増幅器

Publications (3)

Publication Number Publication Date
JP2021081648A JP2021081648A (ja) 2021-05-27
JP2021081648A5 JP2021081648A5 (https=) 2022-01-06
JP7161985B2 true JP7161985B2 (ja) 2022-10-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019210580A Active JP7161985B2 (ja) 2019-11-21 2019-11-21 光カプラ及び光増幅器

Country Status (5)

Country Link
US (1) US12506316B2 (https=)
EP (1) EP4064468B1 (https=)
JP (1) JP7161985B2 (https=)
CN (1) CN114341688B (https=)
WO (1) WO2021100275A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7161985B2 (ja) * 2019-11-21 2022-10-27 Kddi株式会社 光カプラ及び光増幅器
US20240243539A1 (en) * 2023-01-17 2024-07-18 Ii-Vi Delaware, Inc. Short fiber length multi-core fiber (mcf) erbium-doped fiber amplifiers (edfas)
CN117741873B (zh) * 2024-01-15 2025-04-01 中国电信股份有限公司技术创新中心 纤芯功率耦合器以及固定光分插复用器
KR102929052B1 (ko) * 2024-02-20 2026-02-20 케이에스포토닉스 주식회사 다중코어광섬유 입출력소자

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5594823A (en) 1994-12-21 1997-01-14 Alcatel Cable Method of manufacturing a multi-fiber optical cross-coupler, and an optical cross-coupler obtained by performing the method
US5625728A (en) 1994-12-02 1997-04-29 Alcatel N.V. Method of coupling a multi-core optical fiber to a plurality of single-core optical fibers
CN102890310A (zh) 2011-12-30 2013-01-23 清华大学 保偏光纤侧面泵浦耦合器及其制造方法
WO2016035883A1 (ja) 2014-09-05 2016-03-10 古河電気工業株式会社 マルチコアファイバおよびその製造方法
JP2019078912A (ja) 2017-10-25 2019-05-23 Tdk株式会社 光学部品
JP2019101152A (ja) 2017-11-30 2019-06-24 日本電信電話株式会社 光ファイバ接続構造

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6217709A (ja) * 1985-07-17 1987-01-26 Nippon Telegr & Teleph Corp <Ntt> 光結合器
CA2444843C (en) * 2001-03-16 2013-05-07 Cidra Corporation D-shaped waveguide and optical coupler using the waveguide
JP5267481B2 (ja) * 2010-02-18 2013-08-21 住友電気工業株式会社 マルチコア光ファイバ
US8903211B2 (en) * 2011-03-16 2014-12-02 Ofs Fitel, Llc Pump-combining systems and techniques for multicore fiber transmissions
JP2013117664A (ja) * 2011-12-05 2013-06-13 Sumitomo Electric Ind Ltd マルチコア光ファイバ接続構造体およびマルチコア光ファイバ接続構造体製造方法
KR20130074517A (ko) * 2011-12-26 2013-07-04 한국전자통신연구원 멀티 코어 광섬유, 멀티 코어 광섬유용 파장 분할 다중화 커플러, 및 멀티 코어 광섬유 증폭기
JP2013213915A (ja) * 2012-04-02 2013-10-17 Sumitomo Electric Ind Ltd 光結合構造および光結合方法
JP7082402B2 (ja) 2018-06-08 2022-06-08 学校法人加計学園 足裏装着具及びそれを用いたトレーニング方法
JP7161985B2 (ja) * 2019-11-21 2022-10-27 Kddi株式会社 光カプラ及び光増幅器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5625728A (en) 1994-12-02 1997-04-29 Alcatel N.V. Method of coupling a multi-core optical fiber to a plurality of single-core optical fibers
US5594823A (en) 1994-12-21 1997-01-14 Alcatel Cable Method of manufacturing a multi-fiber optical cross-coupler, and an optical cross-coupler obtained by performing the method
CN102890310A (zh) 2011-12-30 2013-01-23 清华大学 保偏光纤侧面泵浦耦合器及其制造方法
WO2016035883A1 (ja) 2014-09-05 2016-03-10 古河電気工業株式会社 マルチコアファイバおよびその製造方法
JP2019078912A (ja) 2017-10-25 2019-05-23 Tdk株式会社 光学部品
JP2019101152A (ja) 2017-11-30 2019-06-24 日本電信電話株式会社 光ファイバ接続構造

Also Published As

Publication number Publication date
EP4064468A1 (en) 2022-09-28
CN114341688A (zh) 2022-04-12
US20220190542A1 (en) 2022-06-16
JP2021081648A (ja) 2021-05-27
EP4064468A4 (en) 2023-01-04
CN114341688B (zh) 2024-04-12
WO2021100275A1 (ja) 2021-05-27
EP4064468B1 (en) 2026-02-11
US12506316B2 (en) 2025-12-23

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