[go: up one dir, main page]

DE69524128D1 - Dispersionskompensierende optische Faser und optisches Übertragungssystem mit solcher optischer Faser - Google Patents

Dispersionskompensierende optische Faser und optisches Übertragungssystem mit solcher optischer Faser

Info

Publication number
DE69524128D1
DE69524128D1 DE69524128T DE69524128T DE69524128D1 DE 69524128 D1 DE69524128 D1 DE 69524128D1 DE 69524128 T DE69524128 T DE 69524128T DE 69524128 T DE69524128 T DE 69524128T DE 69524128 D1 DE69524128 D1 DE 69524128D1
Authority
DE
Germany
Prior art keywords
optical fiber
dispersion
transmission system
optical
compensating
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.)
Expired - Fee Related
Application number
DE69524128T
Other languages
English (en)
Other versions
DE69524128T2 (de
Inventor
Masashi Onishi
Hiroo Kanamori
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
Application granted granted Critical
Publication of DE69524128D1 publication Critical patent/DE69524128D1/de
Publication of DE69524128T2 publication Critical patent/DE69524128T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G02B6/036—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
    • G02B6/03661—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 4 layers only
    • G02B6/03677—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 4 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
    • G02B6/02214—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
    • G02B6/02252—Negative dispersion fibres at 1550 nm
    • G02B6/02261—Dispersion compensating fibres, i.e. for compensating positive dispersion of other 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
    • G02B6/02214—Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
    • G02B6/02285—Characterised by the polarisation mode dispersion [PMD] properties, e.g. for minimising PMD
    • 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
    • G02B6/03605—Highest refractive index not on central axis
    • 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
    • G02B6/03605—Highest refractive index not on central axis
    • G02B6/03611—Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding
    • 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 - +
    • 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
    • G02B6/02214—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
DE69524128T 1994-03-23 1995-03-23 Dispersionskompensierende optische Faser und optisches Übertragungssystem mit solcher optischer Faser Expired - Fee Related DE69524128T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6051680A JPH07261048A (ja) 1994-03-23 1994-03-23 分散補償ファイバ

Publications (2)

Publication Number Publication Date
DE69524128D1 true DE69524128D1 (de) 2002-01-10
DE69524128T2 DE69524128T2 (de) 2002-07-04

Family

ID=12893606

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69524128T Expired - Fee Related DE69524128T2 (de) 1994-03-23 1995-03-23 Dispersionskompensierende optische Faser und optisches Übertragungssystem mit solcher optischer Faser

Country Status (4)

Country Link
US (2) US5555340A (de)
EP (1) EP0674193B1 (de)
JP (1) JPH07261048A (de)
DE (1) DE69524128T2 (de)

Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07261048A (ja) * 1994-03-23 1995-10-13 Sumitomo Electric Ind Ltd 分散補償ファイバ
FR2724234B1 (fr) * 1994-09-05 1997-01-03 Alcatel Fibres Optiques Fibre optique monomode a dispersion decalee
JP3409935B2 (ja) * 1995-01-13 2003-05-26 富士通株式会社 シングルモード光ファイバ及びその製造方法並びに光ファイバ伝送路
CA2170815C (en) * 1995-03-10 2002-05-28 Youichi Akasaka Dispersion compensating optical fiber
US5740297A (en) * 1995-08-31 1998-04-14 Sumitomo Electric Industries, Ltd. Dispersion-compensating fiber and method of fabricating the same
US5822488A (en) * 1995-10-04 1998-10-13 Sumitomo Electric Industries, Inc. Single-mode optical fiber with plural core portions
KR0153835B1 (ko) * 1995-11-07 1998-11-16 김광호 매끄러운 환상고리 굴절율 프로파일을 갖는 분산이동광섬유의 제조방법
US5649044A (en) * 1995-11-21 1997-07-15 Corning Incorporated Dispersion shifted optical waveguide
JPH09211249A (ja) * 1995-11-28 1997-08-15 Sumitomo Electric Ind Ltd シングルモード光ファイバ
US5802235A (en) * 1996-06-10 1998-09-01 Furukawa Electric Co Ltd Dispersion compensating fiber and its manufacturing method
AU714957B2 (en) * 1996-07-31 2000-01-13 Corning Incorporated Dispersion compensating single mode waveguide
US5999679A (en) 1997-07-14 1999-12-07 Corning Incorporated Dispersion compensating single mode waveguide
US5887104A (en) * 1996-08-20 1999-03-23 The Furukawa Electric Co., Ltd. Dispersion compensating optical fiber
DE19641577A1 (de) * 1996-09-30 1998-04-02 Deutsche Telekom Ag Dispersionskompensationsfaser
JPH10274720A (ja) * 1997-01-29 1998-10-13 Sumitomo Electric Ind Ltd シングルモード光ファイバ
US6020584A (en) * 1997-02-14 2000-02-01 Corning Incorporated Method of measuring the polarization mode dispersion of an optical waveguide device
US5802234A (en) * 1997-03-21 1998-09-01 Lucent Technologies, Inc Dispersion compensating optical fiber, and communication system comprising same
JP3446944B2 (ja) * 1997-09-10 2003-09-16 古河電気工業株式会社 分散スロープ補償光ファイバ
WO1999013366A1 (fr) * 1997-09-10 1999-03-18 The Furukawa Electric Co., Ltd. Fibre optique a compensation de pente de dispersion
US5887093A (en) * 1997-09-12 1999-03-23 Lucent Technologies Incorporated Optical fiber dispersion compensation
JP3337954B2 (ja) * 1997-09-17 2002-10-28 株式会社フジクラ 分散補償光ファイバ
KR19990038607A (ko) 1997-11-06 1999-06-05 윤종용 다단계 코아 구조를 가지는 단일모드 광섬유
ID22381A (id) * 1997-12-05 1999-10-07 Sumitomo Electric Industries Serat optik dengan dispersi yang dipersempit
US6421490B1 (en) * 1998-02-23 2002-07-16 Corning Incorporated Low slope dispersion managed waveguide
KR20010012663A (ko) * 1998-03-16 2001-02-26 후루까와 준노스께 파장다중광전송로 및 그것에 사용되는 광파이버
WO1999053620A2 (en) 1998-03-25 1999-10-21 Corning Incorporated Optical-transmission system having a split-gain amplifier and a signal-modifying device
US6321016B1 (en) 1998-06-19 2001-11-20 Pirelli Cavi E Sistemi S.P.A. Optical fiber having low non-linearity for WDM transmission
EP0965866B1 (de) * 1998-06-19 2009-10-21 Prysmian S.p.A. Optische Faser mit geringer Nichtlinearität für WDM Übertragung
GB9814526D0 (en) * 1998-07-03 1998-09-02 Univ Southampton Optical fibre and optical fibre device
JP3682374B2 (ja) * 1998-07-07 2005-08-10 古河電気工業株式会社 光ファイバ型光部品
KR100298172B1 (ko) 1998-09-02 2001-09-22 김진찬 광섬유색분산보상소자
AU769369B2 (en) * 1998-09-18 2004-01-22 Sumitomo Electric Industries, Ltd. Dispersion compensating fiber
KR100636332B1 (ko) 1998-09-21 2006-10-19 피렐리 카비 에 시스테미 소시에떼 퍼 아찌오니 확장 파장 밴드용의 광파이버
RU2225021C2 (ru) * 1998-09-21 2004-02-27 Пирелли Кави Э Системи С.П.А. Оптическое волокно для расширенной спектральной полосы
US6470126B1 (en) * 1998-10-23 2002-10-22 The Furukawa Electric Co., Ltd. Dispersion compensating optical fiber, and wavelength division multiplexing transmission line using a dispersion compensating optical fiber
FR2786343A1 (fr) 1998-11-23 2000-05-26 Cit Alcatel Fibre de compensation de dispersion pour systeme de transmission a fibre optique a multiplexage en longueur d'onde employant une fibre de ligne a dispersion decalee
EP1146358A4 (de) 1998-11-26 2005-09-07 Sumitomo Electric Industries Optische faser und optisches übertragungssystem mit dieser faser
EP1175632A1 (de) 1999-04-30 2002-01-30 Corning Incorporated Dispersionskompensierende faser
EP1072909A3 (de) * 1999-07-19 2004-01-28 Sumitomo Electric Industries, Ltd. Dispersionskompensierender optischer Faser und Übertragungsstreke
US20030086671A1 (en) * 1999-07-19 2003-05-08 Masao Tsukitani Dispersion compensating optical fiber and optical transmission line
US7194171B2 (en) * 1999-07-19 2007-03-20 Sumitomo Electric Industries, Ltd. Dispersion compensating optical fiber, dispersion compensating device, optical transmission line and optical transmission system
US6805497B1 (en) 1999-11-04 2004-10-19 Sumitomo Electric Industries, Ltd. Optical transmission line
US6813430B2 (en) * 2000-02-29 2004-11-02 Fujikura, Ltd. Dispersion-compensating optical fiber and hybrid transmission line
US6445864B2 (en) 2000-03-24 2002-09-03 Corning Incorporated Dispersion compensating optical fiber
US6766088B2 (en) * 2000-05-01 2004-07-20 Sumitomo Electric Industries, Ltd. Optical fiber and method for making the same
JP4024461B2 (ja) 2000-07-14 2007-12-19 富士通株式会社 分散補償光ファイバ
JP2002071975A (ja) * 2000-09-04 2002-03-12 Sumitomo Electric Ind Ltd 光ファイバグレーティング素子
JP2002250833A (ja) 2000-12-22 2002-09-06 Furukawa Electric Co Ltd:The 光ファイバおよび該光ファイバを用いた分散補償器ならびに光伝送システム
US6483975B1 (en) * 2001-04-27 2002-11-19 Fitel Usa Corp. Positive dispersion optical fiber having large effective area
JP2003004995A (ja) * 2001-06-26 2003-01-08 Fujikura Ltd 分散補償光ファイバ及び分散補償光ファイバモジュール
US6768852B2 (en) * 2001-07-11 2004-07-27 Corning Incorporated Dispersion and slope compensating optical fiber and transmission link including same
US20030059186A1 (en) 2001-09-26 2003-03-27 Hebgen Peter G. L-band dispersion compensating fiber and transmission system including same
JP3886771B2 (ja) * 2001-10-29 2007-02-28 株式会社フジクラ Ｗｄｍ用シングルモード光ファイバ及び複合光線路
US6650814B2 (en) 2001-12-11 2003-11-18 Corning Incorporated Single mode dispersion compensating optical fiber
US6751390B2 (en) * 2001-12-11 2004-06-15 Corning Incorporation Dispersion and dispersion slope compensating fiber and optical transmission system utilizing same
US6909496B2 (en) * 2001-12-25 2005-06-21 Anritsu Corporation Method and device for easily and rapidly measuring nonlinear refractive index of optical fiber
US6757468B2 (en) * 2002-03-14 2004-06-29 Corning Incorporated Dispersion compensation optical fiber and optical transmission line using same
US6947652B2 (en) * 2002-06-14 2005-09-20 3M Innovative Properties Company Dual-band bend tolerant optical waveguide
US7239783B2 (en) * 2002-07-01 2007-07-03 Sumitomo Electric Industries, Ltd. Optical fiber, dispersion compensator, and optical transmission system
US7206484B2 (en) * 2002-07-01 2007-04-17 Sumitomo Electric Industries, Ltd. Optical fiber, dispersion compensator, and optical transmission system
US6975801B2 (en) 2002-07-15 2005-12-13 Corning Incorporated Dispersion compensating fiber for low slope transmission fiber and optical transmission line utilizing same
US20040076392A1 (en) * 2002-10-17 2004-04-22 Bickham Scott R. Low Kappa, dual-moat DC fiber and optical transmission line
WO2004095098A1 (en) * 2003-03-27 2004-11-04 Corning Incorporated High dispersion, wide band dispersion compensating optical fiber
JP2005055795A (ja) * 2003-08-07 2005-03-03 Furukawa Electric Co Ltd:The 偏波保持光ファイバ及びこの偏波保持光ファイバを用いた光波長変換器
US6925237B2 (en) * 2003-09-24 2005-08-02 Corning Incorporated High figure of merit dispersion compensating fiber for standard single mode fiber and transmission system utilizing same
FR2862453B1 (fr) * 2003-11-17 2006-01-06 Cit Alcatel Module de compensation de dispersion chromatique
US7130515B2 (en) * 2004-08-31 2006-10-31 3M Innovative Properties Company Triple-band bend tolerant optical waveguide
US7130516B2 (en) * 2004-08-31 2006-10-31 3M Innovative Properties Company Triple-band bend tolerant optical waveguide
FR2893149B1 (fr) * 2005-11-10 2008-01-11 Draka Comteq France Fibre optique monomode.
US7283713B1 (en) * 2006-04-05 2007-10-16 Corning Incorporated Highly dispersive dispersion compensating fiber for transmission fiber and transmission system utilizing same
FR2899693B1 (fr) * 2006-04-10 2008-08-22 Draka Comteq France Fibre optique monomode.
US20080034146A1 (en) * 2006-08-04 2008-02-07 Via Technologies, Inc. Systems and Methods for Transactions Between Processor and Memory
JP5242405B2 (ja) * 2006-10-04 2013-07-24 古河電気工業株式会社 光ファイバおよび光ファイバ伝送路
CN102099711B (zh) * 2007-11-09 2014-05-14 德雷卡通信技术公司 抗微弯光纤
FR2930997B1 (fr) * 2008-05-06 2010-08-13 Draka Comteq France Sa Fibre optique monomode
JP4698746B2 (ja) * 2009-04-23 2011-06-08 富士通株式会社 波長分散補償器
JP2019095649A (ja) * 2017-11-24 2019-06-20 住友電気工業株式会社 光ファイバおよび光源装置
CN114415299B (zh) * 2022-03-30 2022-06-24 深圳市埃尔法光电科技有限公司 一种光纤信号直导式光模块

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3997241A (en) * 1973-06-07 1976-12-14 Hitachi, Ltd. Optical waveguide transmitting light wave energy in single mode
JPS5525643A (en) * 1978-08-11 1980-02-23 Mitsubishi Heavy Ind Ltd Method of carrying article
US4372647A (en) * 1979-10-08 1983-02-08 Nippon Telegraph & Telephone Public Corporation Single mode optical fibers
FR2502345B1 (de) * 1981-03-17 1985-01-04 Thomson Csf
US4715679A (en) * 1981-12-07 1987-12-29 Corning Glass Works Low dispersion, low-loss single-mode optical waveguide
US4447127A (en) * 1982-04-09 1984-05-08 Bell Telephone Laboratories, Incorporated Low loss single mode fiber
JPS59232302A (ja) * 1983-06-15 1984-12-27 Sumitomo Electric Ind Ltd 光伝送用フアイバ
JPS6252508A (ja) * 1985-09-02 1987-03-07 Nippon Telegr & Teleph Corp <Ntt> 光フアイバ
JPS62276207A (ja) * 1986-05-21 1987-12-01 Honda Motor Co Ltd ロツカ−ア−ム
JPS62275207A (ja) * 1986-05-23 1987-11-30 Fujitsu Ltd シングルモ−ド光フアイバ
US4838643A (en) * 1988-03-23 1989-06-13 Alcatel Na, Inc. Single mode bend insensitive fiber for use in fiber optic guidance applications
JP2636876B2 (ja) * 1988-04-08 1997-07-30 日本電信電話株式会社 光ファイバの分散補償装置
JP2975642B2 (ja) * 1989-06-13 1999-11-10 住友電気工業株式会社 ハーメチックコートファイバとその製造方法
JPH03160403A (ja) * 1989-11-20 1991-07-10 Hitachi Cable Ltd 低分散光ファイバ
DE4001781C1 (de) * 1990-01-23 1991-02-21 Schott Glaswerke, 6500 Mainz, De
US5032001A (en) * 1990-03-09 1991-07-16 At&T Bell Laboratories Optical fiber having enhanced bend resistance
US5361319A (en) * 1992-02-04 1994-11-01 Corning Incorporated Dispersion compensating devices and systems
US5448674A (en) * 1992-11-18 1995-09-05 At&T Corp. Article comprising a dispersion-compensating optical waveguide
EP0598554B1 (de) * 1992-11-18 1999-05-12 AT&T Corp. Optische Faser mit negativer Dispersion
US5278931A (en) * 1992-12-31 1994-01-11 Corning Incorporated Low bend loss singlemode optical waveguide fiber
JPH07261048A (ja) * 1994-03-23 1995-10-13 Sumitomo Electric Ind Ltd 分散補償ファイバ
US5553185A (en) * 1994-12-27 1996-09-03 Corning Incorporated Controlled dispersion optical waveguide

Also Published As

Publication number Publication date
DE69524128T2 (de) 2002-07-04
EP0674193A3 (de) 1995-12-13
JPH07261048A (ja) 1995-10-13
EP0674193B1 (de) 2001-11-28
US5555340A (en) 1996-09-10
US5742723A (en) 1998-04-21
EP0674193A2 (de) 1995-09-27

Similar Documents

Publication Publication Date Title
DE69524128D1 (de) Dispersionskompensierende optische Faser und optisches Übertragungssystem mit solcher optischer Faser
DE69519384D1 (de) Optische faser mit quatenpunkten
DE69413429D1 (de) Kupplungsvorrichtung für optische Fibern und mit derselben ausgerüstetes optoelektronisches System
DE69635156D1 (de) Optisches Übertragungssystem mit Dispersionskompensation
EP1146358A4 (de) Optische faser und optisches übertragungssystem mit dieser faser
DE69428183D1 (de) Optische Faser zur Übertragung von Solitonen und Herstellungsmethode
DE69628119D1 (de) Optischer Wellenleiter mit positiver Dispersion
DE69632245D1 (de) Faseroptisches übertragungssystem
DE69841544D1 (de) Optische faser mit flacher dispersion
DE69739862D1 (de) Faseroptisches Übertragungssystem mit optischer Phasenkonjugation
DE69627374D1 (de) Nichtlinearer optischer ringreflektor mit einer optischen faser mit abnehmender dispersion
DE69528415D1 (de) Optisches Übertragungssystem mit verstellbarer Dispersionskompensation
DE69601815D1 (de) Bidirektionelles optisches Übertragungssystem mit bidirektionalem optischem Verstärker
DE69530969D1 (de) Optischer Wellenleiter mit kontrollierter Dispersion
DE59408679D1 (de) Bidirektionale optische Sende- und Empfangsanordnung
DE69832118D1 (de) Dispersionskompensierte optische Faser und ein entsprechendes Übertragungssystem
DE69433764D1 (de) Wellenleiter-optische Faser Verbindungsverfahren
DE69709546D1 (de) Optische faser mit lichtauskoppelung
DE69714378D1 (de) Vorrichtung mit Lichtwellenleiter-Abzweiger
FI961062L (fi) Optisen kuidun järjestelaite
AU1653597A (en) Switchable fiber optic device for fiber transmission system and components thereof
GB2294126B (en) Optical transmission and solid state laser devices using graded index optical fiber
DE69834462D1 (de) Optische Übertragungseinrichtung und optisches Übertragungssystem
DE69838276D1 (de) Dispersionsverschobene optische Faser
DE69324886D1 (de) Optische Faser mit negativer Dispersion

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee