FR2740620B1 - Amplificateur optique, et ensemble le comportant - Google Patents

Amplificateur optique, et ensemble le comportant

Info

Publication number
FR2740620B1
FR2740620B1 FR9613236A FR9613236A FR2740620B1 FR 2740620 B1 FR2740620 B1 FR 2740620B1 FR 9613236 A FR9613236 A FR 9613236A FR 9613236 A FR9613236 A FR 9613236A FR 2740620 B1 FR2740620 B1 FR 2740620B1
Authority
FR
France
Prior art keywords
assembly
same
optical amplifier
amplifier
optical
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
FR9613236A
Other languages
English (en)
Other versions
FR2740620A1 (fr
Inventor
Shinya Inagaki
Norifumi Shukunami
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of FR2740620A1 publication Critical patent/FR2740620A1/fr
Application granted granted Critical
Publication of FR2740620B1 publication Critical patent/FR2740620B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • 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
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/0672—Non-uniform radial doping
    • 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
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06729—Peculiar transverse fibre profile
    • 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
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
    • 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
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094096—Multi-wavelength pumping
    • 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
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
    • H01S3/1312—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
FR9613236A 1995-10-30 1996-10-30 Amplificateur optique, et ensemble le comportant Expired - Fee Related FR2740620B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28118295A JP3556026B2 (ja) 1995-10-30 1995-10-30 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

Publications (2)

Publication Number Publication Date
FR2740620A1 FR2740620A1 (fr) 1997-04-30
FR2740620B1 true FR2740620B1 (fr) 1999-08-06

Family

ID=17635493

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9613236A Expired - Fee Related FR2740620B1 (fr) 1995-10-30 1996-10-30 Amplificateur optique, et ensemble le comportant

Country Status (4)

Country Link
US (1) US5861973A (fr)
JP (1) JP3556026B2 (fr)
FR (1) FR2740620B1 (fr)
GB (2) GB2306763B (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2366447B (en) * 1996-12-04 2002-04-17 Southampton Photonics Ltd Apparatus for Amplifying a Signal Beam having a Normalised Intensity Distribution
US5926600A (en) * 1997-05-22 1999-07-20 Litton Systems, Inc. Optical fiber for reducing optical signal reflections
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
JP2000252559A (ja) * 1999-03-01 2000-09-14 Nec Corp ダブルクラッドファイバおよび光ファイバアンプ
KR100326119B1 (ko) 1999-06-23 2002-03-07 윤종용 씨드-빔을 이용한 엘-밴드 광섬유 증폭기
KR100334809B1 (ko) 1999-07-21 2002-05-02 윤종용 씨드-빔을 이용한 광대역 광원
KR100334789B1 (ko) * 1999-07-22 2002-05-02 윤종용 피드 백 루프를 이용한 광학 소자 측정용 광대역 광원
JP4269453B2 (ja) * 1999-12-10 2009-05-27 住友電気工業株式会社 光増幅用光ファイバおよび光ファイバ増幅器
GB2363675B (en) 2000-01-19 2004-05-26 Advantest Corp Wideband optical amplifier and wideband variable wavelength optical source
WO2001069734A1 (fr) * 2000-03-10 2001-09-20 Corning Incorporated Fibre optique avec une couche de verre absorbante superposee
US6487006B1 (en) * 2000-05-12 2002-11-26 Jds Uniphase Inc. Simultaneous single mode and multi-mode propagation of signals in a double clad optical fiber
US6377396B1 (en) 2000-09-26 2002-04-23 Onetta, Inc. Optical amplifiers with variable optical attenuation for use in fiber-optic communications systems
US6417961B1 (en) 2000-10-10 2002-07-09 Onetta, Inc. Optical amplifiers with dispersion compensation
US6687049B1 (en) 2001-07-03 2004-02-03 Onetta, Inc. Optical amplifiers with stable output power under low input power conditions
ATE251352T1 (de) * 2001-07-23 2003-10-15 Cit Alcatel Optischer faserverstärker und kommunikationssystem unter verwendung desselben
US6577789B1 (en) 2001-09-26 2003-06-10 Onetta, Inc. Double-pass optical amplifiers and optical network equipment
US20030099450A1 (en) * 2001-11-28 2003-05-29 Huailiang Wei Profile for limited mode fiber
US7346258B2 (en) * 2002-07-09 2008-03-18 Fujikura Ltd. Optical fiber and optical fiber coupler, erbium-doped optical fiber amplifier, and optical waveguide using the same
JP4792464B2 (ja) 2005-03-30 2011-10-12 富士通株式会社 光ファイバ及び光増幅器
JP5566568B2 (ja) * 2007-03-27 2014-08-06 ピーエスフォー ルクスコ エスエイアールエル 電源電圧発生回路
CN111129927A (zh) * 2019-12-30 2020-05-08 大族激光科技产业集团股份有限公司 光纤激光器以及激光发射装置
CN112142319B (zh) * 2020-11-26 2021-03-16 武汉光谷航天三江激光产业技术研究院有限公司 一种轴向吸收渐变光纤及其制备方法、光纤激光器

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4002369A1 (de) * 1990-01-27 1991-08-01 Standard Elektrik Lorenz Ag Mehrstufiger faseroptischer verstaerker
JP2856501B2 (ja) * 1990-04-27 1999-02-10 株式会社東芝 光ファイバ増幅器
US5155621A (en) * 1990-07-31 1992-10-13 Fujitsu Limited Optical fiber amplifier
US5058976A (en) * 1990-08-03 1991-10-22 At&T Bell Laboratories System comprising Er-doped optical fiber
US5140456A (en) * 1991-04-08 1992-08-18 General Instrument Corporation Low noise high power optical fiber amplifier
FR2674965B1 (fr) * 1991-04-08 1993-12-31 Alcatel Nv Amplificateur optique a fibre optique dopee a l'erbium.
DK168180B1 (da) * 1991-07-19 1994-02-21 Lycom As Fremgangsmåde til at forstærke et optisk signal, optisk forstærker til udøvelse af fremgangsmåden, og anvendelse af en sådan optisk forstærker som lyskilde
DE4208858A1 (de) * 1992-03-19 1993-09-23 Sel Alcatel Ag Faseroptischer verstaerker mit regelung der pumplicht-wellenlaenge
JP3259105B2 (ja) * 1992-08-19 2002-02-25 富士通株式会社 光ファイバ増幅器
JPH06318754A (ja) * 1993-05-10 1994-11-15 Matsushita Electric Ind Co Ltd 光ファイバ増幅器および光信号伝送システム
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
JP3244579B2 (ja) * 1993-12-17 2002-01-07 富士通株式会社 光ファイバ増幅器
FR2715017B1 (fr) * 1994-01-13 1996-02-16 Alcatel Nv Procédé de transmission et liaison optique à multiplexage spectral avec amplification.
JP3379052B2 (ja) * 1994-09-26 2003-02-17 富士通株式会社 波長多重光増幅装置及び光波長多重伝送システム及び光波長多重伝送方法
JP3301275B2 (ja) * 1994-09-27 2002-07-15 日本電信電話株式会社 光ファイバ増幅器

Also Published As

Publication number Publication date
GB2306763A (en) 1997-05-07
FR2740620A1 (fr) 1997-04-30
JP3556026B2 (ja) 2004-08-18
GB9622278D0 (en) 1996-12-18
GB9923183D0 (en) 1999-12-01
US5861973A (en) 1999-01-19
GB2306763B (en) 1999-12-01
JPH09129948A (ja) 1997-05-16

Similar Documents

Publication Publication Date Title
FR2740620B1 (fr) Amplificateur optique, et ensemble le comportant
DE69634235D1 (de) Optischer Verstärker
DE69834198D1 (de) Dynamischer optischer verstärker
DE69636708D1 (de) Optisches Übertragungssystem und optischer Verstärker
DE69616247D1 (de) Optischer Faserverstärker und zugehöriges Betriebsverfahren
DE69836459D1 (de) Optisches Element und damit versehenes optisches System
DE69607245D1 (de) Verstärkerstufe mit geschalteten Kapazitäten
DE69636411D1 (de) Abstimmbarer verstärker
DE69506077D1 (de) Optischer Verstärker
IT1285870B1 (it) Analizzatore ottico.
DE59600499D1 (de) Optischer Verstärker
DE69629226D1 (de) Differenzverstärker
IT1285254B1 (it) Analizzatore ottico
FR2724312B1 (fr) Entretoise intersomatique
DE69623909D1 (de) Verstärkereinrichtung
FR2738927B1 (fr) Doubleur tout optique
DE69629064D1 (de) Optischer Verstärker
DE69625453D1 (de) Verstärker
DE69600694D1 (de) Laserverstaerker
DE69616872D1 (de) Optisches Plattengerät
FR2738928B1 (fr) Amplificateur optique
FR2730068B1 (fr) Analyseur optique
DE69517706D1 (de) Verstärker
DE69600573D1 (de) Optischer verstärker
DE69614315D1 (de) Operationsverstärker

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20080630