FR2753284B1 - Amplificateur optique et procede d'amplification optique - Google Patents

Amplificateur optique et procede d'amplification optique

Info

Publication number
FR2753284B1
FR2753284B1 FR9704460A FR9704460A FR2753284B1 FR 2753284 B1 FR2753284 B1 FR 2753284B1 FR 9704460 A FR9704460 A FR 9704460A FR 9704460 A FR9704460 A FR 9704460A FR 2753284 B1 FR2753284 B1 FR 2753284B1
Authority
FR
France
Prior art keywords
optical
amplification method
amplifier
optical amplifier
optical amplification
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
FR9704460A
Other languages
English (en)
Other versions
FR2753284A1 (fr
Inventor
Hideaki Sugiya
Yoshihito Onoda
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 FR2753284A1 publication Critical patent/FR2753284A1/fr
Application granted granted Critical
Publication of FR2753284B1 publication Critical patent/FR2753284B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H01S3/06758—Tandem amplifiers
    • 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
    • H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
    • H01S3/10015—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by monitoring or controlling, e.g. attenuating, the input signal
    • 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
    • H01S3/1301—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers
    • H01S3/13013—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers by controlling the optical pumping
    • 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
    • H04B10/2931—Signal power control using AGC
    • 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
FR9704460A 1996-09-06 1997-04-11 Amplificateur optique et procede d'amplification optique Expired - Lifetime FR2753284B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23604296A JP3652804B2 (ja) 1996-09-06 1996-09-06 光伝送装置

Publications (2)

Publication Number Publication Date
FR2753284A1 FR2753284A1 (fr) 1998-03-13
FR2753284B1 true FR2753284B1 (fr) 1999-08-06

Family

ID=16994906

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9704460A Expired - Lifetime FR2753284B1 (fr) 1996-09-06 1997-04-11 Amplificateur optique et procede d'amplification optique

Country Status (4)

Country Link
US (4) US6118576A (fr)
JP (1) JP3652804B2 (fr)
FR (1) FR2753284B1 (fr)
GB (1) GB2317044B (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6369938B1 (en) 1996-05-28 2002-04-09 Fujitsu Limited Multi-wavelength light amplifier
JP3652804B2 (ja) * 1996-09-06 2005-05-25 富士通株式会社 光伝送装置
US6603596B2 (en) * 1998-03-19 2003-08-05 Fujitsu Limited Gain and signal level adjustments of cascaded optical amplifiers
KR100416439B1 (ko) 1998-11-24 2004-03-30 삼성전자주식회사 이득평탄도를제어하는광섬유증폭기
KR100283956B1 (ko) * 1998-11-24 2001-04-02 윤종용 채널별 출력세기가 일정한 광섬유증폭기 및 그 증폭방법
US6580549B1 (en) * 1999-02-05 2003-06-17 Fujitsu Limited Wavelength-multiplexed light amplifying apparatus, optical amplifier and optical add-and-drop apparatus using wavelength-multiplexed light amplifying basic unit
JP2001196671A (ja) * 2000-01-06 2001-07-19 Nec Corp 波長多重伝送用光ファイバ増幅器
KR100326318B1 (ko) * 2000-02-09 2002-03-08 윤종용 파장분할다중화 시스템용 광섬유 증폭기의 일시 과도 현상억제 장치
US6519081B2 (en) 2000-04-13 2003-02-11 Corning Incorporated Method of operating a noise-compensating gain controller for an optical amplifier
JP2002198601A (ja) 2000-12-22 2002-07-12 Nec Corp 光増幅器および光増幅方法
US6535330B1 (en) 2001-03-31 2003-03-18 Corning Incorporated Dynamic controller for a multi-channel optical amplifier
US6943937B2 (en) 2001-05-17 2005-09-13 Avanex Corporation Optical amplifier performance controller and method of use
US6603597B2 (en) 2001-06-08 2003-08-05 Photon-X, Inc. Dual mode programmable optical logarithmic amplifier driver
US6606191B1 (en) 2002-05-13 2003-08-12 Corning Incorporated Method for controlling performance of optical amplifiers
JP2004055637A (ja) * 2002-07-17 2004-02-19 Fujitsu Ltd 光増幅器
GB2398922A (en) * 2003-02-26 2004-09-01 Bookham Technology Plc Optical amplifiers
JP2005286906A (ja) * 2004-03-30 2005-10-13 Fujitsu Ltd 波長分散補償方法及びその装置
WO2008126127A1 (fr) 2007-03-06 2008-10-23 Fujitsu Limited Procédé de détection de signal optique et unité réceptrice optique utilisant ce procédé
JP6160442B2 (ja) * 2013-10-28 2017-07-12 富士通株式会社 光レベル制御装置及び光受信装置
CN109494553B (zh) * 2018-12-24 2020-02-07 南京牧镭激光科技有限公司 光纤放大器、光纤放大装置及控制方法
CN112986663A (zh) 2019-12-13 2021-06-18 福州高意通讯有限公司 一种L-band光纤放大器中前馈泵浦失效的探测结构及方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3050237B2 (ja) 1990-07-06 2000-06-12 富士通株式会社 光増幅装置の制御方法及び光増幅装置
JP2746776B2 (ja) 1991-08-14 1998-05-06 富士通株式会社 光前置増幅器
US5455704A (en) * 1991-11-08 1995-10-03 Mitsubishi Denki Kabushiki Kaisha Optical-fiber light amplifier
EP0768766B1 (fr) * 1991-11-08 2001-07-04 Mitsubishi Denki Kabushiki Kaisha Système de répéteur avec amplificateurs à fibres optiques
JPH05292036A (ja) * 1992-04-07 1993-11-05 Hitachi Ltd 光増幅中継装置
US5500756A (en) * 1992-02-28 1996-03-19 Hitachi, Ltd. Optical fiber transmission system and supervision method of the same
DE4208858A1 (de) * 1992-03-19 1993-09-23 Sel Alcatel Ag Faseroptischer verstaerker mit regelung der pumplicht-wellenlaenge
JPH06112905A (ja) * 1992-09-29 1994-04-22 Nec Corp 光直接増幅器
US5471334A (en) * 1992-10-21 1995-11-28 Nippon Telegraph And Telephone Corporation Method and apparatus for monitoring noise figure of optical amplifier
GB2272102B (en) * 1992-10-30 1996-02-07 Northern Telecom Ltd Optical amplifier
DE4305838A1 (de) * 1993-02-26 1994-09-01 Sel Alcatel Ag Mehrstufiger faseroptischer Verstärker
JP2551371B2 (ja) * 1993-12-01 1996-11-06 日本電気株式会社 光中継器
JP2513151B2 (ja) 1993-12-01 1996-07-03 日本電気株式会社 光増幅中継器
IT1270032B (it) * 1994-04-14 1997-04-28 Pirelli Cavi Spa Sistema di telecomunicazione amplificata a multiplazione a divisione di lunghezza d'onda
JP3195160B2 (ja) 1994-05-06 2001-08-06 株式会社日立製作所 光増幅器
US5539563A (en) * 1994-05-31 1996-07-23 At&T Corp. System and method for simultaneously compensating for chromatic dispersion and self phase modulation in optical fibers
EP0713273B1 (fr) * 1994-11-16 2001-04-04 Oki Electric Industry Company, Limited Amplificateur à fibre optique
JPH08179388A (ja) 1994-12-27 1996-07-12 Fujitsu Ltd 光増幅装置
US5673142A (en) * 1995-09-15 1997-09-30 Lucent Technologies Inc. Optical amplifier with internal input signal monitoring tap
JP3652804B2 (ja) * 1996-09-06 2005-05-25 富士通株式会社 光伝送装置

Also Published As

Publication number Publication date
FR2753284A1 (fr) 1998-03-13
US6304371B1 (en) 2001-10-16
USRE44881E1 (en) 2014-05-06
JP3652804B2 (ja) 2005-05-25
JPH1084152A (ja) 1998-03-31
US20020024725A1 (en) 2002-02-28
US6118576A (en) 2000-09-12
GB2317044A (en) 1998-03-11
GB9706435D0 (en) 1997-05-14
US6373624B1 (en) 2002-04-16
GB2317044B (en) 2001-07-04

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