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DE602004001078D1 - Optischer Verstärker mit Kontrollfunktionen des Pumplichts, und optisches Übertragungssystem das diesen Verstärker verwendet - Google Patents

Optischer Verstärker mit Kontrollfunktionen des Pumplichts, und optisches Übertragungssystem das diesen Verstärker verwendet

Info

Publication number
DE602004001078D1
DE602004001078D1 DE602004001078T DE602004001078T DE602004001078D1 DE 602004001078 D1 DE602004001078 D1 DE 602004001078D1 DE 602004001078 T DE602004001078 T DE 602004001078T DE 602004001078 T DE602004001078 T DE 602004001078T DE 602004001078 D1 DE602004001078 D1 DE 602004001078D1
Authority
DE
Germany
Prior art keywords
amplifier
optical
transmission system
pump light
control functions
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
DE602004001078T
Other languages
English (en)
Other versions
DE602004001078T2 (de
Inventor
Yasushi Sugaya
Etsuko Hayashi
Masato Nishihara
Shinichirou Muro
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
Priority claimed from JP2003068289A external-priority patent/JP4318938B2/ja
Priority claimed from JP2003081796A external-priority patent/JP2004287307A/ja
Priority claimed from JP2003092873A external-priority patent/JP4138551B2/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE602004001078D1 publication Critical patent/DE602004001078D1/de
Application granted granted Critical
Publication of DE602004001078T2 publication Critical patent/DE602004001078T2/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
    • G02B6/26—Optical coupling means
    • G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
    • 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
    • H01S3/09—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
    • H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
    • 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
    • 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
    • H01S3/30—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
    • H01S3/302—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects in an optical fibre
    • 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
    • H04B10/2916—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 using Raman or Brillouin 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
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • 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
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0078—Frequency filtering
    • 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
    • H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
    • H01S3/1001—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by controlling the optical 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
    • H01S3/10069—Memorized or pre-programmed characteristics, e.g. look-up table [LUT]
    • 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
    • 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
    • H01S3/1305—Feedback control systems
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Optical Communication System (AREA)
DE602004001078T 2003-03-13 2004-03-12 Optischer Verstärker mit Kontrollfunktionen des Pumplichts, und optisches Übertragungssystem das diesen Verstärker verwendet Expired - Lifetime DE602004001078T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2003068289A JP4318938B2 (ja) 2003-03-13 2003-03-13 接続損失検出機能を備えた光増幅器
JP2003068289 2003-03-13
JP2003081796A JP2004287307A (ja) 2003-03-25 2003-03-25 ラマン増幅器およびそれを用いたシステム
JP2003081796 2003-03-25
JP2003092873 2003-03-28
JP2003092873A JP4138551B2 (ja) 2003-03-28 2003-03-28 ラマン増幅器を用いた光伝送システム

Publications (2)

Publication Number Publication Date
DE602004001078D1 true DE602004001078D1 (de) 2006-07-20
DE602004001078T2 DE602004001078T2 (de) 2007-01-25

Family

ID=32830651

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004001078T Expired - Lifetime DE602004001078T2 (de) 2003-03-13 2004-03-12 Optischer Verstärker mit Kontrollfunktionen des Pumplichts, und optisches Übertragungssystem das diesen Verstärker verwendet

Country Status (4)

Country Link
US (3) US7505197B2 (de)
EP (3) EP1460737B1 (de)
CN (1) CN100487548C (de)
DE (1) DE602004001078T2 (de)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3790455B2 (ja) * 2001-10-12 2006-06-28 富士通株式会社 光中継器の監視制御方法および監視制御システム
EP1388953B1 (de) * 2002-08-05 2007-10-03 Alcatel Lucent Teilnehmeranschlusslokalisierung in einem Teilnehmeranschluss auf der Basis von Messungen des Reflexionszeitbereichs
ES2256428T3 (es) * 2002-10-18 2006-07-16 Alcatel Procesamiento de señal para estimar los atributos de una linea de transmision.
JP4101024B2 (ja) * 2002-11-06 2008-06-11 富士通株式会社 ロスポイント有無判定方法及びそれを用いた分布型ラマン増幅装置
JP4597978B2 (ja) * 2004-06-23 2010-12-15 日本電信電話株式会社 線形中継器および光ファイバ通信システム
US20070103766A1 (en) * 2004-10-26 2007-05-10 Frriedrich Lars Method for monitoring an optical transmission line by means of an optical amplifier and optical amplifier therefor
CA2817631C (en) * 2004-12-14 2015-06-02 Luna Innovations Inc. Compensating for time varying phase changes in interferometric measurements
US20060227822A1 (en) * 2005-03-29 2006-10-12 Northrop Grumman Corporation Laser trim pump
EP1916565B1 (de) * 2005-06-20 2013-01-02 Fujitsu Ltd. Raman-lichtverstärker
JP5012478B2 (ja) * 2006-12-27 2012-08-29 富士通株式会社 分布ラマン増幅装置およびｗｄｍ光伝送システム
CN101174903B (zh) * 2007-10-30 2011-07-13 中兴通讯股份有限公司 基于双cpu的掺铒光纤放大器控制装置和系统
JP4476333B2 (ja) * 2008-01-28 2010-06-09 富士通株式会社 光増幅装置および制御方法
JP4431179B2 (ja) * 2008-02-04 2010-03-10 富士通株式会社 分布ラマン増幅システムおよびその立ち上げ方法ならびに光装置
WO2010022787A1 (en) * 2008-08-29 2010-03-04 Telefonaktiebolaget Lm Ericsson (Publ) Fibre monitoring in optical networks
JP5470589B2 (ja) * 2008-10-09 2014-04-16 独立行政法人情報通信研究機構 ファイバフューズ検知装置
CN102055529B (zh) * 2009-11-03 2014-03-12 华为技术有限公司 一种光信号处理方法、装置以及系统
CN101950913A (zh) * 2010-08-12 2011-01-19 上海拜安实业有限公司 基于脉冲种子源放大的光纤激光光源及光纤传感系统
CN102064456B (zh) * 2010-11-30 2011-12-28 中国科学院半导体研究所 用于光纤陀螺的掺铒超荧光光纤光源结构
CN103138842A (zh) * 2011-11-24 2013-06-05 昂纳信息技术（深圳）有限公司 多泵浦拉曼光纤放大器功率控制装置
CN102494801B (zh) * 2011-12-07 2013-05-29 电子科技大学 一种分布式光延迟光纤温度传感器
US9222850B2 (en) 2013-03-14 2015-12-29 Axonoptics, Llc Integrated optics reflectometer
US9557243B2 (en) 2012-03-14 2017-01-31 Axonoptics Llc Integrated optics reflectometer
US8817245B2 (en) * 2012-08-23 2014-08-26 Ciena Corporation High-powered optical module safety systems and methods
JP6244706B2 (ja) * 2013-07-11 2017-12-13 富士通株式会社 多重光通信装置、多重光通信方法及び多重光通信プログラム
CN103532616B (zh) * 2013-09-29 2017-01-25 中国电子科技集团公司第四十一研究所 一体化光缆故障检测装置
JP6273806B2 (ja) 2013-12-03 2018-02-07 富士通株式会社 光信号対雑音比モニタのための校正係数を生成する装置および方法
US9831943B2 (en) * 2013-12-17 2017-11-28 Neptune Subsea Ip Limited Repeater OTDR using repeater based raman pumps
EP3096181B1 (de) * 2014-01-16 2018-12-05 Mitsubishi Electric Corporation Erregungslichtquellenvorrichtung und optisches übertragungssystem
US9735532B2 (en) 2014-03-19 2017-08-15 Neptune Subsea Ip Limited Multi-span optical communications link having remote optically pumped amplifier
WO2015172328A1 (zh) * 2014-05-14 2015-11-19 华为海洋网络有限公司 一种光中继器，及光纤通信系统
US9793679B2 (en) 2014-08-06 2017-10-17 Mox Networks, LLC Distributed Raman amplifier systems
WO2016022863A1 (en) * 2014-08-06 2016-02-11 Mox Networks, LLC Distributed raman amplifier systems
CN104466681B (zh) * 2014-11-25 2018-12-25 武汉光迅科技股份有限公司 一种光纤放大器的串级控制系统
GB2536052A (en) * 2015-03-06 2016-09-07 Schlumberger Holdings Optical Sensor
WO2016190792A1 (en) * 2015-05-28 2016-12-01 Telefonaktiebolaget Lm Ericsson (Publ) Device and method for monitoring optical fibre link
WO2017119846A1 (en) * 2016-01-06 2017-07-13 Heptagon Micro Optics Pte. Ltd. Three-dimensional imaging using frequency domain-based processing
EP3413482B1 (de) * 2016-02-05 2022-05-18 Mitsubishi Electric Corporation Vorrichtung zur erkennung der unterbrechung eines lichtsignals, optischer verstärker, optische wellenlängenmultiplex- übertragungsvorrichtung und optisches wellenlängenmultiplex-übertragungssystem
WO2017141423A1 (ja) 2016-02-19 2017-08-24 三菱電機株式会社 励起光源装置及び光伝送システム
EP3217574A1 (de) * 2016-03-09 2017-09-13 Xieon Networks S.à r.l. Bidirektionale und konfigurierbare, direktionale raman-pumpende vorrichtung
EP3443690B1 (de) * 2016-04-15 2020-08-26 Xieon Networks S.à r.l. Über eine separate faser mit datenübertragung in die gegenrichtung energiegespeister kodirektionaler ropa
CN107332101B (zh) * 2017-06-28 2019-07-26 武汉光迅科技股份有限公司 一种可动态执行光时域反射检测的组件和检测方法
IL254803B2 (en) * 2017-09-29 2023-09-01 Prisma Photonics Ltd Distributed amplification optimized for fiber sensing
JP7077794B2 (ja) 2018-06-04 2022-05-31 富士通株式会社 ラマン光増幅器及びラマン光増幅方法
CN108768510B (zh) * 2018-06-27 2021-01-08 武汉光迅科技股份有限公司 一种拉曼光纤放大器等效0km接头损耗获取方法和装置
CN109067464A (zh) * 2018-09-11 2018-12-21 青岛海信宽带多媒体技术有限公司 光模块
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JP7464841B2 (ja) 2020-08-04 2024-04-10 富士通株式会社 ラマン増幅器の制御装置および制御方法
CN112217562B (zh) * 2020-09-10 2022-03-11 武汉光迅科技股份有限公司 一种水下监测光传输系统
US11637635B1 (en) * 2021-12-07 2023-04-25 Ciena Corporation Calibrating a Raman amplifier by maximizing gain and minimizing intermodulation effects
CN114095078B (zh) * 2022-01-21 2022-04-29 高勘(广州)技术有限公司 光纤传输检测系统及光纤传输检测方法
WO2023168639A1 (zh) * 2022-03-09 2023-09-14 华为技术有限公司 一种光源产生装置、探测设备及终端
CN114826396B (zh) * 2022-06-24 2022-09-30 北京中昱光通科技有限公司 一种监测拉曼放大器反射功率控制泵浦的方法及装置
CN118867846A (zh) * 2023-04-28 2024-10-29 华为技术有限公司 一种光放大器、相关方法和设备

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9115453D0 (en) * 1991-07-18 1991-09-04 British Telecomm Fault location in optical systems
US5504617A (en) * 1994-02-08 1996-04-02 British Telecommunications Public Limited Company Optical time domain reflectometry
JPH0964446A (ja) 1995-08-25 1997-03-07 Furukawa Electric Co Ltd:The 光増幅器とそれを用いた光増幅装置
US5673142A (en) 1995-09-15 1997-09-30 Lucent Technologies Inc. Optical amplifier with internal input signal monitoring tap
DE19547603A1 (de) * 1995-12-20 1997-06-26 Sel Alcatel Ag Optische Verstärkereinrichtung
JP3411436B2 (ja) * 1996-01-12 2003-06-03 Ｋｄｄｉ株式会社 光通信線路の監視方法
JPH09261187A (ja) * 1996-03-19 1997-10-03 Fujitsu Ltd 無中継光伝送システムのリモートアンプおよび障害点標定方法
US6344922B1 (en) * 1998-07-21 2002-02-05 Corvis Corporation Optical signal varying devices
EP2306605B1 (de) * 1998-07-23 2012-05-23 The Furukawa Electric Co., Ltd. Pumpeinheit für einen Ramanverstärker und Ramanverstärker, der dieselbe aufweist
JP4115027B2 (ja) 1998-07-23 2008-07-09 古河電気工業株式会社 励起光発生手段と、ラマン増幅器とそれを用いた光中継器
US6611370B2 (en) * 1999-07-23 2003-08-26 The Furukawa Electric Co., Ltd. Raman amplifier system, apparatus and method for identifying, obtaining and maintaining an arbitrary Raman amplification performance
US6364459B1 (en) 1999-10-05 2002-04-02 Eastman Kodak Company Printing apparatus and method utilizing light-activated ink release system
JP2001249369A (ja) * 2000-03-02 2001-09-14 Nec Corp 光増幅器とこれを用いた光増幅中継器及び波長多重光伝送装置
JP4057214B2 (ja) * 2000-03-06 2008-03-05 富士通株式会社 分布型光増幅装置および該方法ならびに光通信システム
JP3558124B2 (ja) 2000-07-25 2004-08-25 住友電気工業株式会社 ラマン増幅器及びそれを用いた光伝送システム
JP4821037B2 (ja) 2000-08-25 2011-11-24 富士通株式会社 ラマン増幅を用いた光増幅器およびラマン励起光源
US6452715B1 (en) * 2000-08-29 2002-09-17 Ciena Corporation Method and apparatus for determining a fiber plant gain transfer function and utilizing same to control distributed gain
EP1215527B1 (de) * 2000-08-30 2006-10-04 Fujitsu Limited Lichtverstärker unter verwendung der ramanverstärkung und zugehöriges steuerungsverfahren
JP2002076482A (ja) * 2000-08-31 2002-03-15 Fujitsu Ltd 光増幅器，光増幅方法及び光増幅システム
EP1229382B1 (de) * 2000-09-07 2010-03-24 Fujitsu Limited Optischer verstärker unter ausnutzung der ramanverstärkung
JP4565794B2 (ja) * 2000-09-07 2010-10-20 富士通株式会社 光増幅装置および光通信システム
US6417959B1 (en) * 2000-12-04 2002-07-09 Onetta, Inc. Raman fiber amplifier
CA2357498A1 (en) 2001-02-05 2002-08-05 Mikio Ogai Raman amplifier system, apparatus and method for identifying, obtaining and maintaining an arbitrary raman amplification performance
US6690504B1 (en) * 2001-03-16 2004-02-10 Tyco Telecommunications (Us) Inc. System and method for controlling spectral distribution of output power in a Raman amplifier
JP3587176B2 (ja) * 2001-04-02 2004-11-10 日本電気株式会社 ラマン増幅器及びラマン増幅方法
US6958856B2 (en) * 2001-06-07 2005-10-25 Sumitomo Electric Industries, Ltd. Raman amplifier, raman amplifier control method, and optical communication system
JP2002111589A (ja) * 2001-07-18 2002-04-12 Fujitsu Ltd 光伝送装置、光通信システム及び光信号の伝送方法
JP4549591B2 (ja) * 2001-09-28 2010-09-22 富士通株式会社 装置
JP3899893B2 (ja) * 2001-10-26 2007-03-28 日本電気株式会社 ラマン増幅制御方法および光通信システムおよび光増幅装置およびプログラム
JP3903768B2 (ja) * 2001-10-31 2007-04-11 日本電気株式会社 光ファイバ伝送システムとラマン利得制御装置、及びラマン利得制御方法
JP3848327B2 (ja) 2002-03-28 2006-11-22 富士通株式会社 損失補償機能を備えた光学装置および損失補償用の光増幅器
EP1376905B1 (de) 2002-06-28 2013-06-05 Sumitomo Electric Industries, Ltd. Optisches Übertragungssystem mit Ramanverstärkung
JP4094905B2 (ja) 2002-07-25 2008-06-04 富士通株式会社 ラマン光増幅器
CN1270212C (zh) 2002-09-16 2006-08-16 烽火通信科技股份有限公司 分布喇曼放大子系统及其装置
JP4101024B2 (ja) * 2002-11-06 2008-06-11 富士通株式会社 ロスポイント有無判定方法及びそれを用いた分布型ラマン増幅装置
JP3872023B2 (ja) 2003-02-07 2007-01-24 日本電信電話株式会社 分布ラマン増幅を用いた光ファイバ通信システム
US20040227931A1 (en) * 2003-05-16 2004-11-18 Russell Stuart John Optic communication or transmission media sensing
WO2004105275A1 (ja) * 2003-05-23 2004-12-02 Fujitsu Limited ラマン増幅による雑音光の補正機能を備えた光伝送システム
US7554721B2 (en) * 2003-08-01 2009-06-30 Fujitsu Limited Raman amplifier and Raman amplifier adjustment method

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US8054455B2 (en) 2011-11-08
US20090219609A1 (en) 2009-09-03
EP1560304A3 (de) 2006-08-09
EP1560304B1 (de) 2012-01-11
EP1560304A2 (de) 2005-08-03
EP1560305A2 (de) 2005-08-03
EP1560305B1 (de) 2012-07-18
DE602004001078T2 (de) 2007-01-25
EP1460737A1 (de) 2004-09-22
US20100157416A1 (en) 2010-06-24
CN1530729A (zh) 2004-09-22
US20040196158A1 (en) 2004-10-07
US7505197B2 (en) 2009-03-17
EP1460737B1 (de) 2006-06-07
EP1560305A3 (de) 2006-08-09
US7719758B2 (en) 2010-05-18
CN100487548C (zh) 2009-05-13

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