DE69430614T2 - Faseroptischer Verstärker und optischer Zwischenverstärker - Google Patents

Faseroptischer Verstärker und optischer Zwischenverstärker

Info

Publication number
DE69430614T2
DE69430614T2 DE69430614T DE69430614T DE69430614T2 DE 69430614 T2 DE69430614 T2 DE 69430614T2 DE 69430614 T DE69430614 T DE 69430614T DE 69430614 T DE69430614 T DE 69430614T DE 69430614 T2 DE69430614 T2 DE 69430614T2
Authority
DE
Germany
Prior art keywords
fiber optic
optical repeater
optic amplifier
amplifier
repeater
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 - Lifetime
Application number
DE69430614T
Other languages
English (en)
Other versions
DE69430614D1 (de
Inventor
Masayuki Shigematsu
Koji Nakazato
Tomonori Kashiwada
Masayuki Nishimura
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
Publication of DE69430614D1 publication Critical patent/DE69430614D1/de
Application granted granted Critical
Publication of DE69430614T2 publication Critical patent/DE69430614T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02B6/24—Coupling light guides
    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers
    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293—Signal power control
    • H04B10/2933—Signal power control considering the whole optical path
    • H04B10/2935—Signal power control considering the whole optical path with a cascade of amplifiers
    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293—Signal power control
    • H04B10/294—Signal power control in a multiwavelength system, e.g. gain equalisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S2301/00—Functional characteristics
    • H01S2301/04—Gain spectral shaping, flattening
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16—Solid materials
    • H01S3/1601—Solid materials characterised by an active (lasing) ion
    • H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
    • H01S3/1608—Solid materials characterised by an active (lasing) ion rare earth erbium
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/003—Devices including multiple stages, e.g., multi-stage optical amplifiers or dispersion compensators
DE69430614T 1993-11-24 1994-11-23 Faseroptischer Verstärker und optischer Zwischenverstärker Expired - Lifetime DE69430614T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5293440A JP2636152B2 (ja) 1993-11-24 1993-11-24 光ファイバ増幅器および光通信システム

Publications (2)

Publication Number Publication Date
DE69430614D1 DE69430614D1 (de) 2002-06-20
DE69430614T2 true DE69430614T2 (de) 2002-11-21

Family

ID=17794796

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69430614T Expired - Lifetime DE69430614T2 (de) 1993-11-24 1994-11-23 Faseroptischer Verstärker und optischer Zwischenverstärker

Country Status (7)

Country Link
US (2) US5532870A (de)
EP (1) EP0654872B1 (de)
JP (1) JP2636152B2 (de)
KR (1) KR0175343B1 (de)
AU (1) AU690585B2 (de)
CA (1) CA2136360C (de)
DE (1) DE69430614T2 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2636152B2 (ja) * 1993-11-24 1997-07-30 住友電気工業株式会社 光ファイバ増幅器および光通信システム
GB9522943D0 (en) * 1995-08-05 1996-01-10 Samsung Electronics Co Ltd Erbium doped fiber amplifier
JP3556026B2 (ja) * 1995-10-30 2004-08-18 富士通株式会社 複数の波長信号を一括して増幅する多波長一括光増幅器
JPH09139534A (ja) * 1995-11-13 1997-05-27 Hitachi Cable Ltd 希土類元素添加ファイバ増幅器
JP3839861B2 (ja) * 1995-11-20 2006-11-01 住友電気工業株式会社 光ファイバ増幅器
DE19547603A1 (de) * 1995-12-20 1997-06-26 Sel Alcatel Ag Optische Verstärkereinrichtung
KR970064034A (ko) * 1996-02-10 1997-09-12 김광호 다중파장 자동 파워 및 이득 조절용 광전송 시스템 및 레이저
JPH09252157A (ja) * 1996-03-15 1997-09-22 Nec Corp 光ファイバ増幅器
JP3670434B2 (ja) * 1996-04-22 2005-07-13 ルーセント テクノロジーズ インコーポレーテッド 多段光ファイバ増幅器を有するシステム
US6369938B1 (en) * 1996-05-28 2002-04-09 Fujitsu Limited Multi-wavelength light amplifier
US5923684A (en) * 1996-09-26 1999-07-13 Lucent Technologies Inc. Fiber amplifier with multiple pass pumping
US5847865A (en) * 1997-02-18 1998-12-08 Regents Of The University Of Minnesota Waveguide optical amplifier
KR100267861B1 (ko) * 1997-10-15 2000-10-16 윤종용 광섬유증폭기
JPH11121839A (ja) * 1997-10-17 1999-04-30 Fujitsu Ltd 光増幅用ファイバ及び光ファイバ増幅器
KR100258970B1 (ko) * 1997-11-20 2000-06-15 윤종용 광섬유 증폭기
CN1964235B (zh) 1998-02-06 2010-10-20 富士通株式会社 光放大器，用于光放大器中的激励光源控制方法，和光放大器控制方法
US6603596B2 (en) * 1998-03-19 2003-08-05 Fujitsu Limited Gain and signal level adjustments of cascaded optical amplifiers
FR2778751B1 (fr) 1998-05-14 2000-06-16 Alsthom Cge Alcatel Fibre optique pour amplificateur optique a gain plat
JP2001057455A (ja) 1999-08-18 2001-02-27 Fujitsu Ltd レベル等化のための方法、装置及びシステム
US6611372B1 (en) 2000-06-09 2003-08-26 The Arizona Board Of Regents On Behalf Of The University Of Arizona Erbium and ytterbium co-doped phosphate glass optical fiber amplifiers using short active fiber length
US6724528B2 (en) 2001-02-27 2004-04-20 The United States Of America As Represented By The Secretary Of The Navy Polarization-maintaining optical fiber amplifier employing externally applied stress-induced birefringence
AU2002316195A1 (en) * 2001-06-06 2003-01-08 Bae Systems Information Electronic Systems Integration Inc. Optical composite ion/host crystal gain elements
KR20030061664A (ko) * 2002-01-15 2003-07-22 박창현 횡방향의 찢김성과 투명성이 증가된 점착테이프
KR100490884B1 (ko) * 2002-06-15 2005-05-19 (주)국제라텍 자동라벨기용 이형필름 및 이의 제조방법
US7440171B2 (en) * 2002-10-31 2008-10-21 Finisar Corporation Staged amplifier for lower noise figure and higher saturation power
JP5259923B2 (ja) * 2006-01-20 2013-08-07 株式会社メガオプト 光増幅モジュールおよびレーザ光源
US7532391B2 (en) * 2006-01-20 2009-05-12 Sumitomo Electric Industries, Ltd. Optical amplification module and laser light source designed to suppress photodarkening
US7848014B2 (en) * 2008-04-09 2010-12-07 Cisco Technology, Inc. Erbium and Erbium/Ytterbium cladding pumped hybrid optical amplifier
JP2012044224A (ja) * 2011-11-28 2012-03-01 Sumitomo Electric Ind Ltd 光増幅装置およびレーザ光源装置
CN110187589A (zh) * 2019-06-05 2019-08-30 中国科学院长春光学精密机械与物理研究所 一种半导体光放大器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0408394A1 (de) * 1989-07-13 1991-01-16 BRITISH TELECOMMUNICATIONS public limited company Optisches Übertragungsnetzwerk
DE4002369A1 (de) * 1990-01-27 1991-08-01 Standard Elektrik Lorenz Ag Mehrstufiger faseroptischer verstaerker
US5115338A (en) * 1990-05-30 1992-05-19 At&T Bell Laboratories Multi-stage optical amplifier
US5050949A (en) * 1990-06-22 1991-09-24 At&T Bell Laboratories Multi-stage optical fiber amplifier
US5058976A (en) * 1990-08-03 1991-10-22 At&T Bell Laboratories System comprising Er-doped optical fiber
US5131069A (en) * 1991-08-12 1992-07-14 Corning Incorporated Fiber amplifier having modified gain spectrum
US5392153A (en) * 1993-08-31 1995-02-21 At&T Corp. Optical amplifier
JP2636152B2 (ja) * 1993-11-24 1997-07-30 住友電気工業株式会社 光ファイバ増幅器および光通信システム

Also Published As

Publication number Publication date
EP0654872A1 (de) 1995-05-24
US5640269A (en) 1997-06-17
DE69430614D1 (de) 2002-06-20
AU690585B2 (en) 1998-04-30
JPH07147445A (ja) 1995-06-06
CA2136360A1 (en) 1995-05-25
KR0175343B1 (ko) 1999-05-01
AU7897494A (en) 1995-06-01
KR950014919A (ko) 1995-06-16
CA2136360C (en) 2002-07-09
US5532870A (en) 1996-07-02
EP0654872B1 (de) 2002-05-15
JP2636152B2 (ja) 1997-07-30

Similar Documents

Publication Publication Date Title
DE69430614T2 (de) Faseroptischer Verstärker und optischer Zwischenverstärker
DE69330596D1 (de) Faseroptischer Koppler und Verstärker
DE69316878T2 (de) Optischer faser-laser und zugehöriger optischer koppler
DE69122955T2 (de) Faseroptischer Verstärker und Koppler
DE69521302T2 (de) Gewinngesteuerter faseroptischer verstärker
DE59406688D1 (de) Optischer Faserverstärker
DE69616247T2 (de) Optischer Faserverstärker und zugehöriges Betriebsverfahren
DE59407668D1 (de) Mehrstufiger faseroptischer Verstärker
DE69515475D1 (de) Optischer faser-laser
DE69531178D1 (de) Optischer Wellenleiterverstärker
DE69228393T2 (de) Faseroptischer Verstärker
FI921723A (fi) Belagd optisk fiber och foerfarnde foer framstaellning av denna
DE69520547T2 (de) Faseroptischer Verstärker
EP0462613A3 (en) Optical functioning glass and fiber amplifier
DE59400655D1 (de) Faseroptischer Verstärker
DE69121768D1 (de) Faseroptischer Verstärker
DE69407400T2 (de) Optischer verstärker und laser
HK142896A (en) Optical fibre amplifier and laser
DK137691A (da) Optisk fiberforstaerker
DK220690D0 (da) Optisk fiberforstaerker
DE69301955T2 (de) Faseroptischer Verstärker
DE69601835D1 (de) Faseroptischer Verstärker
DE69400399D1 (de) Optischer Wellenleiterverstärker
DE69300299D1 (de) Faseroptischer Verstärker.
EP0727395A3 (de) Optische Fasern und Faserverstärker