CN114341688B - 光耦合器以及光放大器 - Google Patents

光耦合器以及光放大器 Download PDF

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Publication number
CN114341688B
CN114341688B CN202080061606.XA CN202080061606A CN114341688B CN 114341688 B CN114341688 B CN 114341688B CN 202080061606 A CN202080061606 A CN 202080061606A CN 114341688 B CN114341688 B CN 114341688B
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China
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core
cores
optical
fiber
coupling
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CN202080061606.XA
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Chinese (zh)
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CN114341688A (zh
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若山雄太
钓谷刚宏
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KDDI Corp
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KDDI Corp
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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
    • 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
    • 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

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  • 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)
CN202080061606.XA 2019-11-21 2020-08-25 光耦合器以及光放大器 Active CN114341688B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019-210580 2019-11-21
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

Publications (2)

Publication Number Publication Date
CN114341688A CN114341688A (zh) 2022-04-12
CN114341688B true CN114341688B (zh) 2024-04-12

Family

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Family Applications (1)

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CN202080061606.XA Active CN114341688B (zh) 2019-11-21 2020-08-25 光耦合器以及光放大器

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 (4)

* 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
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
CN103988105A (zh) * 2011-12-05 2014-08-13 住友电气工业株式会社 多芯光纤互连结构和用于制造多芯光纤互连结构的方法
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

Family Cites Families (11)

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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
FR2728693B1 (fr) * 1994-12-21 1997-01-31 Alcatel Cable Procede de fabrication d'un repartiteur optique multifibre et repartiteur optique obtenu selon ce procede
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
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
JP2019078912A (ja) * 2017-10-25 2019-05-23 Tdk株式会社 光学部品
JP7024359B2 (ja) * 2017-11-30 2022-02-24 日本電信電話株式会社 光ファイバ接続構造
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 (4)

* 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
CN103988105A (zh) * 2011-12-05 2014-08-13 住友电气工业株式会社 多芯光纤互连结构和用于制造多芯光纤互连结构的方法
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

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
JP7161985B2 (ja) 2022-10-27
EP4064468A4 (en) 2023-01-04
WO2021100275A1 (ja) 2021-05-27
EP4064468B1 (en) 2026-02-11
US12506316B2 (en) 2025-12-23

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