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DE60031347D1 - Optischer Verstärker für die C und L Banden - Google Patents

Optischer Verstärker für die C und L Banden

Info

Publication number
DE60031347D1
DE60031347D1 DE60031347T DE60031347T DE60031347D1 DE 60031347 D1 DE60031347 D1 DE 60031347D1 DE 60031347 T DE60031347 T DE 60031347T DE 60031347 T DE60031347 T DE 60031347T DE 60031347 D1 DE60031347 D1 DE 60031347D1
Authority
DE
Germany
Prior art keywords
bands
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 - Lifetime
Application number
DE60031347T
Other languages
English (en)
Other versions
DE60031347T2 (de
Inventor
Naomasa Shimojoh
Takao Naito
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
Application granted granted Critical
Publication of DE60031347D1 publication Critical patent/DE60031347D1/de
Publication of DE60031347T2 publication Critical patent/DE60031347T2/de
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
    • H04B10/293—Signal power control
    • H04B10/2931—Signal power control using AGC
    • 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
    • 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
    • H01S3/09—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
    • H01S3/094042—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a fibre laser
    • 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
    • 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
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • H01S3/2375—Hybrid lasers
    • 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
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • H01S3/2383—Parallel arrangements
    • 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
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/25—Distortion or dispersion compensation
    • H04B2210/258—Distortion or dispersion compensation treating each wavelength or wavelength band separately

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
DE60031347T 1999-09-28 2000-08-10 Optischer Verstärker für die C und L Banden Expired - Lifetime DE60031347T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP27501299A JP2001102666A (ja) 1999-09-28 1999-09-28 光増幅器
JP27501299 1999-09-28

Publications (2)

Publication Number Publication Date
DE60031347D1 true DE60031347D1 (de) 2006-11-30
DE60031347T2 DE60031347T2 (de) 2007-05-10

Family

ID=17549661

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60031347T Expired - Lifetime DE60031347T2 (de) 1999-09-28 2000-08-10 Optischer Verstärker für die C und L Banden

Country Status (4)

Country Link
US (1) US6882466B1 (de)
EP (1) EP1091509B1 (de)
JP (1) JP2001102666A (de)
DE (1) DE60031347T2 (de)

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JP3527671B2 (ja) * 1999-04-23 2004-05-17 富士通株式会社 ラマン増幅による光伝送パワーの波長特性制御方法、並びに、それを用いた波長多重光通信システムおよび光増幅器
GB2363675B (en) * 2000-01-19 2004-05-26 Advantest Corp Wideband optical amplifier and wideband variable wavelength optical source
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
US6674570B2 (en) 2001-05-31 2004-01-06 Samsung Electronic Co., Ltd. Wide band erbium-doped fiber amplifier (EDFA)
JP3831227B2 (ja) * 2001-10-30 2006-10-11 三菱電機株式会社 一芯双方向伝送装置
US7149433B2 (en) * 2002-06-28 2006-12-12 Infineria Corporation Upgrade of optical amplifier site to a digital optical network site in an optical transmission network
JP4094905B2 (ja) * 2002-07-25 2008-06-04 富士通株式会社 ラマン光増幅器
JP2004228715A (ja) 2003-01-20 2004-08-12 Fujitsu Ltd 光伝送システム
EP1450508A1 (de) * 2003-02-20 2004-08-25 Alcatel Verfahren und Vorrichtung zum (de-)multiplexen von optischen Signalen
US7280762B1 (en) * 2003-03-24 2007-10-09 Ciena Corporation Optical communication system having dynamic gain equalization
JP2005051196A (ja) * 2003-07-15 2005-02-24 Furukawa Electric Co Ltd:The エルビュームドープ光ファイバ増幅器
KR100582542B1 (ko) * 2003-11-11 2006-05-23 한국전자통신연구원 장파장 대역 이득제어 광증폭기
EP1760521A4 (de) * 2004-06-23 2013-12-04 Nippon Telegraph & Telephone Linear-zwischenverstärker und faseroptisches kommunikationssystem
DE102004047745A1 (de) * 2004-09-30 2006-04-27 Siemens Ag Ermittlung der verstärkten spontanen Emission in einem optischen Faserverstärker
US7446933B2 (en) * 2005-06-23 2008-11-04 At&T Corp Multi-band hybrid SOA-Raman amplifier for CWDM
US7643758B1 (en) * 2006-01-04 2010-01-05 Cisco Technology, Inc. CWDM system architecture with amplification
DE602007013815D1 (de) 2007-04-13 2011-05-19 Ericsson Telefon Ab L M Optischer signalverstärker, verfahren zur optischen verstärkung und optisches netz
JP4643679B2 (ja) * 2008-04-21 2011-03-02 富士通株式会社 光伝送システム
JP4698746B2 (ja) * 2009-04-23 2011-06-08 富士通株式会社 波長分散補償器
US8675714B2 (en) * 2010-10-12 2014-03-18 Pericom Semiconductor Corporation Trace canceller with equalizer adjusted for trace length driving variable-gain amplifier with automatic gain control loop
JP5644446B2 (ja) * 2010-12-06 2014-12-24 富士通株式会社 光伝送装置
JP5472835B2 (ja) * 2012-03-08 2014-04-16 日本電信電話株式会社 マルチコア光ファイバ増幅器
CN111669225B (zh) * 2015-09-29 2023-04-14 日本电气株式会社 光中继器和光中继器的控制方法
US9967051B2 (en) 2016-01-25 2018-05-08 Tyco Electronics Subsea Communications Llc Efficient optical signal amplification systems and methods
US9825726B2 (en) 2016-01-25 2017-11-21 Tyco Electronics Subsea Communications Llc Efficient optical signal amplification systems and methods
CN108702215B (zh) * 2016-02-24 2021-03-30 日本电气株式会社 多频带信号处理系统、接线盒、以及用于容纳系统的方法
CN107124224B (zh) * 2017-06-22 2019-06-14 武汉光迅科技股份有限公司 一种自适应波段放大方法及放大器
US10771153B2 (en) 2017-06-27 2020-09-08 Afl Telecommunications Llc Optical power measurement apparatus
US20180375574A1 (en) * 2017-06-27 2018-12-27 Afl Telecommunications Llc Optical power measurement apparatus
CN110024236A (zh) * 2017-08-10 2019-07-16 华为技术有限公司 光放大系统
CN111164842B (zh) 2017-09-29 2021-09-10 日本电气株式会社 光学放大装置和光学放大方法
JP7136183B2 (ja) * 2018-03-02 2022-09-13 日本電気株式会社 光中継器、伝送路ファイバの監視方法、及び光伝送システム
CN112655122A (zh) * 2018-08-30 2021-04-13 Ofs菲特尔有限责任公司 宽增益带宽c波段光纤放大器
JP2021163791A (ja) * 2020-03-30 2021-10-11 古河電気工業株式会社 光ファイバ増幅システムおよび光通信システム
US11057142B1 (en) * 2020-07-06 2021-07-06 Huawei Technologies Co., Ltd. Method and system to estimate SRS induced gain change in optical communication networks
US11764536B2 (en) * 2020-08-26 2023-09-19 Lumentum Operations Llc Optical amplifier for multiple bands
GB2598775A (en) * 2020-09-14 2022-03-16 Coherent Scotland Ltd 780 nm ultrashort-pulsed fiber laser
GB2598774A (en) * 2020-09-14 2022-03-16 Coherent Scotland Ltd Apparatus and method for generating 780 nm ultrashort-pulsed laser radiation
US11522629B2 (en) * 2021-01-21 2022-12-06 Ciena Corporation Channelized optical amplifiers and amplifier arrays
WO2023026463A1 (ja) * 2021-08-27 2023-03-02 日本電気株式会社 光合分波装置及び光合分波方法

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US5323404A (en) * 1993-11-02 1994-06-21 At&T Bell Laboratories Optical fiber laser or amplifier including high reflectivity gratings
US5563733A (en) * 1994-08-25 1996-10-08 Matsushita Electric Industrial Co., Ltd. Optical fiber amplifier and optical fiber transmission system
JP3859256B2 (ja) 1995-03-20 2006-12-20 富士通株式会社 光ファイバ増幅器
EP2503655A3 (de) 1995-03-20 2013-02-27 Fujitsu Limited Faseroptischer Verstärker und dispersionskompensierendes Fasermodul für faseroptischen Verstärker
JPH08278523A (ja) 1995-04-05 1996-10-22 Hitachi Ltd 光増幅装置
JP3363003B2 (ja) * 1995-10-03 2003-01-07 株式会社日立製作所 光増幅装置及び光増幅装置を用いた光伝送システム
US5801858A (en) * 1996-06-25 1998-09-01 Northern Telecom Limited Optical transmission systems using optical amplifiers and wavelength division multiplexing
EP0848463A3 (de) 1996-12-11 1999-07-28 Nippon Telegraph And Telephone Corporation Faseroptischer Verstärker und Verfahren zur optischen Verstärkung
JP3288965B2 (ja) 1996-12-11 2002-06-04 日本電信電話株式会社 光ファイバ増幅器および光増幅方法
EP0968579B1 (de) 1997-03-17 2003-06-04 JDS Uniphase Corporation Mehrstufiger faseroptischer verstärker
US6049417A (en) 1997-06-02 2000-04-11 Lucent Technologies Inc. Wide band optical amplifier
US6081366A (en) * 1997-08-28 2000-06-27 Lucent Technologies Inc. Optical fiber communication system with a distributed Raman amplifier and a remotely pumped er-doped fiber amplifier
JPH11145538A (ja) 1997-11-11 1999-05-28 Hitachi Cable Ltd 超広帯域光ファイバ増幅器
US6151160A (en) * 1998-10-05 2000-11-21 Tyco Submarine Systems Ltd. Broadband Raman pre-amplifier for wavelength division multiplexed optical communication systems
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Also Published As

Publication number Publication date
US6882466B1 (en) 2005-04-19
EP1091509A3 (de) 2004-02-25
JP2001102666A (ja) 2001-04-13
EP1091509A2 (de) 2001-04-11
DE60031347T2 (de) 2007-05-10
EP1091509B1 (de) 2006-10-18

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