JP2015515765A - モード遅延を管理された少数モード光ファイバリンク - Google Patents
モード遅延を管理された少数モード光ファイバリンク Download PDFInfo
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- JP2015515765A JP2015515765A JP2014557738A JP2014557738A JP2015515765A JP 2015515765 A JP2015515765 A JP 2015515765A JP 2014557738 A JP2014557738 A JP 2014557738A JP 2014557738 A JP2014557738 A JP 2014557738A JP 2015515765 A JP2015515765 A JP 2015515765A
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- 239000013307 optical fiber Substances 0.000 claims abstract description 64
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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
- G02B6/02004—Optical fibres with cladding with or without a coating characterised by the core effective area or mode field radius
- G02B6/02009—Large effective area or mode field radius, e.g. to reduce nonlinear effects in single mode fibres
- G02B6/02023—Based on higher order modes, i.e. propagating modes other than the LP01 or HE11 fundamental mode
-
- 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
- G02B6/02004—Optical fibres with cladding with or without a coating characterised by the core effective area or mode field radius
- G02B6/02009—Large effective area or mode field radius, e.g. to reduce nonlinear effects in single mode fibres
- G02B6/02014—Effective area greater than 60 square microns in the C band, i.e. 1530-1565 nm
- G02B6/02019—Effective area greater than 90 square microns in the C band, i.e. 1530-1565 nm
-
- 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
- G02B6/02214—Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
-
- 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
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
- G02B6/0288—Multimode fibre, e.g. graded index core for compensating modal dispersion
-
- 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 - - +
-
- 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
- G02B6/268—Optical coupling means for modal dispersion control, e.g. concatenation of light guides having different modal dispersion properties
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2581—Multimode transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/04—Mode multiplex systems
-
- 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
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
- G02B6/0281—Graded index region forming part of the central core segment, e.g. alpha profile, triangular, trapezoidal core
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
Abstract
Description
以下の用語は、本明細書において光ファイバを説明する場合に、種々の例示的な実施形態との関連で導入されかつ以下に定義されるパラメータのいくつかとともに用いられる。
Claims (9)
- 波長1550 nmでのX LPモードの光信号の伝搬および伝送をサポートするコアを有し、Xが1より大きい20以下の整数であって、前記光ファイバが波長1530 nm〜1570 nmにてLP01モードとLP11モードの間に正の群遅延差を有する第1の光ファイバと、
波長1550 nmでのY LPモードの光信号の伝搬および伝送をサポートするコアを有し、Yが1より大きい20以下の整数であって、前記光ファイバが波長1530 nm〜1570 nmにてLP01モードとLP11モードの間に負の群遅延差を有する第2の光ファイバと、
を備えることを特徴とする光ファイバリンク。 - 前記第1および第2のファイバの長さが、前記リンク上の前記LP01モードと前記LP11モードの間の群遅延差の絶対値となるように選択され、群遅延差が波長1550 nmで約0.5 ns/km未満であることを特徴とする請求項1の光ファイバリンク。
- 前記第1のファイバが、1530 nm〜1570 nmの波長域に渡って正のモード間群遅延差のスロープを含み、前記第2のファイバは、1530 nm〜1570 nmの波長域に渡って負のモード間群遅延差のスロープを含むことを特徴とする請求項1の光ファイバリンク。
- 前記第1のファイバが、1530 nm〜1570 nmの波長域に渡って負のモード間群遅延差のスロープを含み、前記第2のファイバは、1530 nm〜1570 nmの波長域に渡って正のモード間群遅延差のスロープを含むことを特徴とする請求項1の光ファイバリンク。
- 前記第1および第2の各々のファイバの長さが、前記リンク上の前記LP01モードと前記LP11モードの間の群遅延差のスロープの絶対値となるように選択され、群遅延差のスロープが波長1530 nm〜1570 nmの波長域に渡って約1.0 ps/nm/km未満であることを特徴とする請求項1の光ファイバリンク。
- 前記第1および第2の各々のファイバの長さが、前記リンク上の前記LP01モードと前記LP11モードの間の群遅延差の絶対値となるように選択され、群遅延差が波長1550 nmにて0.25 ns/km未満であることを特徴とする請求項1の光ファイバリンク。
- 前記第1および第2の各々のファイバの長さが、前記リンク上の前記LP01モードと前記LP11モードの間の群遅延差の絶対値となるように選択され、群遅延差が波長1550 nmにて0.1 ns/km未満であることを特徴とする請求項1の光ファイバリンク。
- |R1−R2|が0.2 μmより大きいことを特徴とする請求項1の光ファイバリンク。
- 前記第1および第2がさらにトレンチを備え、前記トレンチが約2 μm〜約10 μmの半径厚さを有することを特徴とする請求項1の光ファイバリンク。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261600828P | 2012-02-20 | 2012-02-20 | |
US61/600,828 | 2012-02-20 | ||
US201261610700P | 2012-03-14 | 2012-03-14 | |
US61/610,700 | 2012-03-14 | ||
PCT/US2013/025880 WO2013126254A1 (en) | 2012-02-20 | 2013-02-13 | Mode delay managed few moded optical fiber link |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2015515765A true JP2015515765A (ja) | 2015-05-28 |
JP2015515765A5 JP2015515765A5 (ja) | 2015-12-17 |
JP6148688B2 JP6148688B2 (ja) | 2017-06-14 |
Family
ID=47827427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014557738A Active JP6148688B2 (ja) | 2012-02-20 | 2013-02-13 | モード遅延を管理された少数モード光ファイバリンク |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP2817665B1 (ja) |
JP (1) | JP6148688B2 (ja) |
KR (1) | KR20140129105A (ja) |
CN (1) | CN104272150A (ja) |
IN (1) | IN2014DN07356A (ja) |
RU (1) | RU2014138020A (ja) |
WO (1) | WO2013126254A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014137588A (ja) * | 2013-01-18 | 2014-07-28 | Nippon Telegr & Teleph Corp <Ntt> | マルチモード光ファイバおよび光ファイバ伝送システム |
WO2017150481A1 (ja) * | 2016-03-03 | 2017-09-08 | 住友電気工業株式会社 | 光ファイバ伝送システム |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5789626B2 (ja) * | 2013-03-01 | 2015-10-07 | 株式会社フジクラ | 光ファイバおよび光伝送路 |
WO2015040447A1 (en) * | 2013-09-20 | 2015-03-26 | Draka Comteq Bv | Few mode optical fiber links for space division multiplexing |
BR112016005940B1 (pt) * | 2013-09-20 | 2022-04-26 | Draka Comteq Bv | Fibra óptica, link óptico, e sistema óptico |
JP2015212757A (ja) * | 2014-05-02 | 2015-11-26 | 日本電信電話株式会社 | 数モード光ファイバおよび数モード光ファイバの設計方法 |
CN105182470A (zh) * | 2015-03-16 | 2015-12-23 | 白昀 | 一种多模光纤主模态的偏振依赖关系及其推导方法 |
EP3414604B1 (en) | 2016-02-08 | 2020-09-30 | Draka Comteq BV | Few mode optical fibers for mode division multiplexing |
BR112018015019B1 (pt) * | 2016-02-08 | 2022-12-20 | Draka Comteq B.V. | Fibra, link e sistema óptico |
JP6568979B2 (ja) * | 2018-05-24 | 2019-08-28 | 日本電信電話株式会社 | 数モード光ファイバの設計方法 |
CN113132007B (zh) * | 2019-12-31 | 2024-06-18 | 华为技术有限公司 | 一种通信系统 |
CN113204072B (zh) * | 2020-01-31 | 2023-04-07 | 斯特里特技术有限公司 | 少模光纤 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5903683A (en) * | 1997-09-10 | 1999-05-11 | The United States Of America As Represented By The National Security Agency | Device for modulating an optical signal using a single wave guide |
US6418256B1 (en) * | 1999-02-23 | 2002-07-09 | Lasercomm, Inc. | High order spatial mode optical fiber |
JP2013128198A (ja) * | 2011-12-19 | 2013-06-27 | Nippon Telegr & Teleph Corp <Ntt> | 光ファイバシステム、光ファイバ伝送システム及び光ファイバ伝送方法 |
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2013
- 2013-02-13 IN IN7356DEN2014 patent/IN2014DN07356A/en unknown
- 2013-02-13 EP EP13707739.2A patent/EP2817665B1/en active Active
- 2013-02-13 RU RU2014138020A patent/RU2014138020A/ru not_active Application Discontinuation
- 2013-02-13 CN CN201380009999.XA patent/CN104272150A/zh active Pending
- 2013-02-13 WO PCT/US2013/025880 patent/WO2013126254A1/en active Application Filing
- 2013-02-13 JP JP2014557738A patent/JP6148688B2/ja active Active
- 2013-02-13 KR KR20147024872A patent/KR20140129105A/ko not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5903683A (en) * | 1997-09-10 | 1999-05-11 | The United States Of America As Represented By The National Security Agency | Device for modulating an optical signal using a single wave guide |
US6418256B1 (en) * | 1999-02-23 | 2002-07-09 | Lasercomm, Inc. | High order spatial mode optical fiber |
JP2013128198A (ja) * | 2011-12-19 | 2013-06-27 | Nippon Telegr & Teleph Corp <Ntt> | 光ファイバシステム、光ファイバ伝送システム及び光ファイバ伝送方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014137588A (ja) * | 2013-01-18 | 2014-07-28 | Nippon Telegr & Teleph Corp <Ntt> | マルチモード光ファイバおよび光ファイバ伝送システム |
WO2017150481A1 (ja) * | 2016-03-03 | 2017-09-08 | 住友電気工業株式会社 | 光ファイバ伝送システム |
US10718897B2 (en) | 2016-03-03 | 2020-07-21 | Sumitomo Electric Industries, Ltd. | Optical fiber transmission system |
Also Published As
Publication number | Publication date |
---|---|
KR20140129105A (ko) | 2014-11-06 |
JP6148688B2 (ja) | 2017-06-14 |
CN104272150A (zh) | 2015-01-07 |
RU2014138020A (ru) | 2016-04-10 |
IN2014DN07356A (ja) | 2015-04-24 |
EP2817665B1 (en) | 2018-12-12 |
WO2013126254A1 (en) | 2013-08-29 |
EP2817665A1 (en) | 2014-12-31 |
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