JP6255772B2 - 光ファイバおよび光伝送システム - Google Patents
光ファイバおよび光伝送システム Download PDFInfo
- Publication number
- JP6255772B2 JP6255772B2 JP2013156476A JP2013156476A JP6255772B2 JP 6255772 B2 JP6255772 B2 JP 6255772B2 JP 2013156476 A JP2013156476 A JP 2013156476A JP 2013156476 A JP2013156476 A JP 2013156476A JP 6255772 B2 JP6255772 B2 JP 6255772B2
- Authority
- JP
- Japan
- Prior art keywords
- core
- refractive index
- optical fiber
- diameter
- index difference
- 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.)
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- 239000013307 optical fiber Substances 0.000 title claims description 59
- 230000005540 biological transmission Effects 0.000 title claims description 27
- 230000003287 optical effect Effects 0.000 title claims description 15
- 239000006185 dispersion Substances 0.000 claims description 27
- 238000005253 cladding Methods 0.000 claims description 22
- 235000012239 silicon dioxide Nutrition 0.000 claims description 10
- 238000005452 bending Methods 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
Images
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
- G02B6/02214—Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
- G02B6/0228—Characterised by the wavelength dispersion slope properties around 1550 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
- G02B6/02219—Characterised by the wavelength dispersion properties in the silica low loss window around 1550 nm, i.e. S, C, L and U bands from 1460-1675 nm
- G02B6/02276—Dispersion shifted fibres, i.e. zero dispersion at 1550 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
- G02B6/02042—Multicore optical fibres
-
- 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
- H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
-
- 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
- H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
- H04B10/2513—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion
- H04B10/2525—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion using dispersion-compensating 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
- G02B6/03633—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 - -
Description
Claims (4)
- コアと、このコアを取り囲むクラッドとを備え、
前記コアが、中心にある第1コアと、この第1コアを取り囲む第2コアと、を含み、
前記クラッドに対する前記第1コアの比屈折率差Δ 1 が0.6%〜0.9%であり、
前記クラッドに対する前記第2コアの比屈折率差Δ 2 が0.02%〜0.12%であり、
前記第1コアの直径2aと前記第2コアの直径2bとの比2b/2aが2.0〜6.0であり、
波長1550nmにおける群屈折率が1.465以下であり、波長1550nmにおける波長分散の絶対値が4ps/nm/km以下である光ファイバ。 - 純シリカに対する前記第1コアの比屈折率差が−0.1%〜0.1%であることを特徴とする請求項1に記載の光ファイバ。
- 前記コアがGeを含まないことを特徴とする請求項1または2に記載の光ファイバ。
- 請求項1〜3の何れか1項に記載の光ファイバを信号光の伝送路として備える光伝送システム。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013156476A JP6255772B2 (ja) | 2013-07-29 | 2013-07-29 | 光ファイバおよび光伝送システム |
US14/337,420 US20150316713A1 (en) | 2013-07-29 | 2014-07-22 | Optical fiber and optical transmission system |
EP14178936.2A EP2833174A1 (en) | 2013-07-29 | 2014-07-29 | Optical fiber and optical transmission system |
CN201410367673.0A CN104345379B (zh) | 2013-07-29 | 2014-07-29 | 光纤和光传输系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013156476A JP6255772B2 (ja) | 2013-07-29 | 2013-07-29 | 光ファイバおよび光伝送システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015025994A JP2015025994A (ja) | 2015-02-05 |
JP6255772B2 true JP6255772B2 (ja) | 2018-01-10 |
Family
ID=51225420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013156476A Active JP6255772B2 (ja) | 2013-07-29 | 2013-07-29 | 光ファイバおよび光伝送システム |
Country Status (4)
Country | Link |
---|---|
US (1) | US20150316713A1 (ja) |
EP (1) | EP2833174A1 (ja) |
JP (1) | JP6255772B2 (ja) |
CN (1) | CN104345379B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9678269B2 (en) * | 2014-05-16 | 2017-06-13 | Corning Incorporated | Multimode optical fiber transmission system including single mode fiber |
WO2018160781A1 (en) * | 2017-03-01 | 2018-09-07 | Corning Incorporated | Quantum communication systems having dispersion compensating optical fiber links |
US11366266B2 (en) | 2017-07-03 | 2022-06-21 | Nippon Telegraph And Telephone Corporation | Optical fiber and optical transmission system |
US11431419B2 (en) * | 2018-11-27 | 2022-08-30 | Corning Incorporated | Quantum key distribution systems having low loss dispersion limiting fibers |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07230015A (ja) * | 1994-02-17 | 1995-08-29 | Furukawa Electric Co Ltd:The | 分散シフト型シングルモード光ファイバと分散シフト型シングルモード光ファイバ用母材と分散シフト型シングルモード光ファイバ用母材の製造方法 |
CA2225889A1 (en) * | 1996-12-27 | 1998-06-27 | Sumitomo Electric Industries, Ltd. | Dispersion-shifted fiber |
US6137924A (en) * | 1998-09-02 | 2000-10-24 | Lucent Technologies Inc. | Article comprising a dispersion compensating grating with low polarization mode dispersion |
RU2206113C2 (ru) * | 1999-07-27 | 2003-06-10 | Фудзикура Лтд. | Оптическое волокно со смещенной дисперсией |
JP3808290B2 (ja) * | 1999-07-27 | 2006-08-09 | 株式会社フジクラ | 分散シフト光ファイバ |
JP2001208943A (ja) * | 2000-01-26 | 2001-08-03 | Sumitomo Electric Ind Ltd | 光ファイバケーブルおよび光伝送システム |
JP2003084163A (ja) * | 2001-09-07 | 2003-03-19 | Sumitomo Electric Ind Ltd | 光ファイバ、光伝送路および光通信システム |
WO2003054589A2 (en) * | 2001-12-20 | 2003-07-03 | Corning Incorporated | Isotopically altered optical fiber |
JP2004240390A (ja) * | 2002-12-10 | 2004-08-26 | Sumitomo Electric Ind Ltd | 光ファイバ |
KR100617293B1 (ko) * | 2003-11-22 | 2006-08-30 | 한국전자통신연구원 | 파라메트릭 광증폭기를 위한 분산천이 광섬유 |
EP2352047B1 (en) * | 2010-02-01 | 2019-09-25 | Draka Comteq B.V. | Non-zero dispersion shifted optical fiber having a large effective area |
JP2013072962A (ja) * | 2011-09-27 | 2013-04-22 | Sumitomo Electric Ind Ltd | 広帯域光源 |
-
2013
- 2013-07-29 JP JP2013156476A patent/JP6255772B2/ja active Active
-
2014
- 2014-07-22 US US14/337,420 patent/US20150316713A1/en not_active Abandoned
- 2014-07-29 EP EP14178936.2A patent/EP2833174A1/en not_active Withdrawn
- 2014-07-29 CN CN201410367673.0A patent/CN104345379B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN104345379A (zh) | 2015-02-11 |
US20150316713A1 (en) | 2015-11-05 |
CN104345379B (zh) | 2019-05-17 |
JP2015025994A (ja) | 2015-02-05 |
EP2833174A1 (en) | 2015-02-04 |
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