JP7722383B2 - マルチコア光ファイバ及び光伝送システム - Google Patents

マルチコア光ファイバ及び光伝送システム

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Publication number
JP7722383B2
JP7722383B2 JP2022552072A JP2022552072A JP7722383B2 JP 7722383 B2 JP7722383 B2 JP 7722383B2 JP 2022552072 A JP2022552072 A JP 2022552072A JP 2022552072 A JP2022552072 A JP 2022552072A JP 7722383 B2 JP7722383 B2 JP 7722383B2
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JP
Japan
Prior art keywords
core
optical
cladding
less
refractive index
Prior art date
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English (en)
Japanese (ja)
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JPWO2022065435A1 (https=
JPWO2022065435A5 (https=
Inventor
貴博 菅沼
健美 長谷川
哲也 林
洋宇 佐久間
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
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Sumitomo Electric Industries Ltd
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Publication date
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of JPWO2022065435A1 publication Critical patent/JPWO2022065435A1/ja
Publication of JPWO2022065435A5 publication Critical patent/JPWO2022065435A5/ja
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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
    • G02B6/036—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 - +

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)
  • Optical Integrated Circuits (AREA)
JP2022552072A 2020-09-24 2021-09-24 マルチコア光ファイバ及び光伝送システム Active JP7722383B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020159586 2020-09-24
JP2020159586 2020-09-24
PCT/JP2021/035093 WO2022065435A1 (ja) 2020-09-24 2021-09-24 マルチコア光ファイバ及び光伝送システム

Publications (3)

Publication Number Publication Date
JPWO2022065435A1 JPWO2022065435A1 (https=) 2022-03-31
JPWO2022065435A5 JPWO2022065435A5 (https=) 2023-06-08
JP7722383B2 true JP7722383B2 (ja) 2025-08-13

Family

ID=80846644

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022552072A Active JP7722383B2 (ja) 2020-09-24 2021-09-24 マルチコア光ファイバ及び光伝送システム

Country Status (5)

Country Link
US (1) US20230333312A1 (https=)
EP (1) EP4220995A4 (https=)
JP (1) JP7722383B2 (https=)
CN (1) CN116250191B (https=)
WO (1) WO2022065435A1 (https=)

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JP7505664B1 (ja) * 2023-01-31 2024-06-25 住友電気工業株式会社 マルチコア光ファイバ
WO2024161793A1 (ja) * 2023-01-31 2024-08-08 住友電気工業株式会社 マルチコア光ファイバ
WO2025090294A1 (en) * 2023-10-23 2025-05-01 Corning Incorporated Multicore optical fibers suitable for simultaneous data transmission and quantum communication
US20250172746A1 (en) * 2023-11-28 2025-05-29 Corning Incorporated Uncoupled multicore optical fiber

Citations (9)

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WO2010119930A1 (ja) 2009-04-16 2010-10-21 古河電気工業株式会社 マルチコア光ファイバ
JP2011209702A (ja) 2010-03-10 2011-10-20 Sumitomo Electric Ind Ltd マルチコア光ファイバ
JP2011215556A (ja) 2010-03-17 2011-10-27 Sumitomo Electric Ind Ltd マルチコア光ファイバ
JP2012514772A (ja) 2009-01-09 2012-06-28 コーニング インコーポレイテッド 低屈折率ガラス環を有する低曲げ損失光ファイバ
JP2013020074A (ja) 2011-07-11 2013-01-31 Hitachi Cable Ltd マルチコアファイバ
WO2016152507A1 (ja) 2015-03-25 2016-09-29 住友電気工業株式会社 マルチコア光ファイバ
JP2017181730A (ja) 2016-03-30 2017-10-05 株式会社フジクラ 光ファイバ
JP2020086054A (ja) 2018-11-21 2020-06-04 日本電信電話株式会社 マルチコア光ファイバ、マルチコア光ファイバ設計方法、および光伝送方法
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

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US4134642A (en) * 1976-04-16 1979-01-16 Northern Telecom Limited Optical fibre with increased security
US4295739A (en) * 1979-08-30 1981-10-20 United Technologies Corporation Fiber optic temperature sensor
US6078716A (en) * 1999-03-23 2000-06-20 E-Tek Dynamics, Inc. Thermally expanded multiple core fiber
US6611648B2 (en) * 2001-05-09 2003-08-26 Corning Incorporated Optical fibers having cores with different propagation constants, and methods of manufacturing same
WO2013141112A1 (ja) * 2012-03-23 2013-09-26 住友電気工業株式会社 干渉測定装置
US9574911B2 (en) * 2012-08-09 2017-02-21 Corning Incorporated Two-core optical fibers for distributed fiber sensors and systems
JP5860024B2 (ja) * 2013-11-25 2016-02-16 株式会社フジクラ マルチコアファイバ
DK3211464T3 (da) * 2014-10-22 2021-06-14 Sumitomo Electric Industries Optisk multikernefiber, optisk kabel og optisk forbinder
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
JP6668833B2 (ja) * 2016-03-09 2020-03-18 住友電気工業株式会社 結合型マルチコア光ファイバ
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
JP6859796B2 (ja) * 2017-03-28 2021-04-14 住友電気工業株式会社 結合型マルチコア光ファイバの製造方法
CN112219145B (zh) * 2018-04-09 2022-12-20 住友电气工业株式会社 多芯光纤和多芯光纤缆线
JP7259466B2 (ja) 2019-03-25 2023-04-18 三菱電機株式会社 氷吐出装置及び冷蔵庫
WO2021040687A1 (en) * 2019-08-26 2021-03-04 Corning Incorporated Multicore fiber crosstalk sensor with matched effective index
US20210181408A1 (en) * 2019-12-11 2021-06-17 Corning Incorporated Multicore optical fiber with chlorine doped cores
WO2021188290A1 (en) * 2020-03-19 2021-09-23 Corning Incorporated Multicore fiber with exterior cladding region
US11592613B2 (en) * 2020-07-22 2023-02-28 Corning Incorporated Multicore optical fiber
US11733449B2 (en) * 2020-08-10 2023-08-22 Corning Incorporated Ultra-low-loss coupled-core multicore optical fibers

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012514772A (ja) 2009-01-09 2012-06-28 コーニング インコーポレイテッド 低屈折率ガラス環を有する低曲げ損失光ファイバ
WO2010119930A1 (ja) 2009-04-16 2010-10-21 古河電気工業株式会社 マルチコア光ファイバ
JP2011209702A (ja) 2010-03-10 2011-10-20 Sumitomo Electric Ind Ltd マルチコア光ファイバ
JP2011215556A (ja) 2010-03-17 2011-10-27 Sumitomo Electric Ind Ltd マルチコア光ファイバ
JP2013020074A (ja) 2011-07-11 2013-01-31 Hitachi Cable Ltd マルチコアファイバ
WO2016152507A1 (ja) 2015-03-25 2016-09-29 住友電気工業株式会社 マルチコア光ファイバ
JP2017181730A (ja) 2016-03-30 2017-10-05 株式会社フジクラ 光ファイバ
JP2020086054A (ja) 2018-11-21 2020-06-04 日本電信電話株式会社 マルチコア光ファイバ、マルチコア光ファイバ設計方法、および光伝送方法
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

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* Cited by examiner, † Cited by third party
Title
SANO, Akihide et al.，"Crosstalk-Managed High Capacity Long Haul Multicore Fiber Transmission With Propagation-Direction Interleaving"，Journal of Lightwave Technology，2014年08月15日，Vol. 32，No. 16，p. 2771-2779，DOI: 10.1109/JLT.2014.2320826
TAMURA, Yoshiaki et al.，"Low-Loss Uncoupled Two-Core Fiber for Power Efficient Practical Submarine Transmission"，2019 Optical Fiber Communications Conference and Exhibition (OFC)，M1E.5，2019年03月03日，p. 1-3

Also Published As

Publication number Publication date
EP4220995A4 (en) 2024-04-24
CN116250191A (zh) 2023-06-09
EP4220995A1 (en) 2023-08-02
WO2022065435A1 (ja) 2022-03-31
CN116250191B (zh) 2026-03-20
JPWO2022065435A1 (https=) 2022-03-31
US20230333312A1 (en) 2023-10-19

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