JP7505664B1 - マルチコア光ファイバ - Google Patents

マルチコア光ファイバ Download PDF

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Publication number
JP7505664B1
JP7505664B1 JP2024518560A JP2024518560A JP7505664B1 JP 7505664 B1 JP7505664 B1 JP 7505664B1 JP 2024518560 A JP2024518560 A JP 2024518560A JP 2024518560 A JP2024518560 A JP 2024518560A JP 7505664 B1 JP7505664 B1 JP 7505664B1
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JP
Japan
Prior art keywords
cladding
δcore
core
refractive index
condition
Prior art date
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.)
Active
Application number
JP2024518560A
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English (en)
Japanese (ja)
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JPWO2024161793A1 (https=
JPWO2024161793A5 (https=
Inventor
哲也 林
正晃 平野
健美 長谷川
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
Original Assignee
Sumitomo Electric Industries Ltd
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 by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority claimed from PCT/JP2023/043799 external-priority patent/WO2024161793A1/ja
Application granted granted Critical
Publication of JP7505664B1 publication Critical patent/JP7505664B1/ja
Publication of JPWO2024161793A1 publication Critical patent/JPWO2024161793A1/ja
Publication of JPWO2024161793A5 publication Critical patent/JPWO2024161793A5/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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 - +
    • 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
    • G02B6/03633—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 - - +

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Optical Communication System (AREA)
JP2024518560A 2023-01-31 2023-12-07 マルチコア光ファイバ Active JP7505664B1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023012598 2023-01-31
JP2023012598 2023-01-31
PCT/JP2023/043799 WO2024161793A1 (ja) 2023-01-31 2023-12-07 マルチコア光ファイバ

Publications (3)

Publication Number Publication Date
JP7505664B1 true JP7505664B1 (ja) 2024-06-25
JPWO2024161793A1 JPWO2024161793A1 (https=) 2024-08-08
JPWO2024161793A5 JPWO2024161793A5 (https=) 2025-01-07

Family

ID=91586685

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024518560A Active JP7505664B1 (ja) 2023-01-31 2023-12-07 マルチコア光ファイバ

Country Status (3)

Country Link
EP (1) EP4660672A4 (https=)
JP (1) JP7505664B1 (https=)
CN (1) CN120457369A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024133737A (ja) * 2020-10-16 2024-10-02 住友電気工業株式会社 マルチコア光ファイバおよびマルチコア光ファイバケーブル

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
US20210294024A1 (en) * 2020-03-19 2021-09-23 Corning Incorporated Multicore fiber with exterior cladding region
US20220026629A1 (en) * 2020-07-27 2022-01-27 Corning Incorporated Low cross-talk multicore optical fiber for single mode operation
WO2022034662A1 (ja) * 2020-08-12 2022-02-17 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
WO2022065435A1 (ja) * 2020-09-24 2022-03-31 住友電気工業株式会社 マルチコア光ファイバ及び光伝送システム
JP2022066053A (ja) * 2020-10-16 2022-04-28 住友電気工業株式会社 マルチコア光ファイバおよびマルチコア光ファイバケーブル
WO2022085534A1 (ja) * 2020-10-23 2022-04-28 住友電気工業株式会社 マルチコア光ファイバ
WO2022097639A1 (ja) * 2020-11-04 2022-05-12 住友電気工業株式会社 マルチコア光ファイバ

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
US20210294024A1 (en) * 2020-03-19 2021-09-23 Corning Incorporated Multicore fiber with exterior cladding region
US20220026629A1 (en) * 2020-07-27 2022-01-27 Corning Incorporated Low cross-talk multicore optical fiber for single mode operation
WO2022034662A1 (ja) * 2020-08-12 2022-02-17 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
WO2022065435A1 (ja) * 2020-09-24 2022-03-31 住友電気工業株式会社 マルチコア光ファイバ及び光伝送システム
JP2022066053A (ja) * 2020-10-16 2022-04-28 住友電気工業株式会社 マルチコア光ファイバおよびマルチコア光ファイバケーブル
WO2022085534A1 (ja) * 2020-10-23 2022-04-28 住友電気工業株式会社 マルチコア光ファイバ
WO2022097639A1 (ja) * 2020-11-04 2022-05-12 住友電気工業株式会社 マルチコア光ファイバ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024133737A (ja) * 2020-10-16 2024-10-02 住友電気工業株式会社 マルチコア光ファイバおよびマルチコア光ファイバケーブル

Also Published As

Publication number Publication date
JPWO2024161793A1 (https=) 2024-08-08
EP4660672A4 (en) 2026-05-06
EP4660672A1 (en) 2025-12-10
CN120457369A (zh) 2025-08-08

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