FR2820550B1 - Amplificateur de raman et systeme de transmission optique utilisant l'amplificateur - Google Patents

Amplificateur de raman et systeme de transmission optique utilisant l'amplificateur

Info

Publication number
FR2820550B1
FR2820550B1 FR0111565A FR0111565A FR2820550B1 FR 2820550 B1 FR2820550 B1 FR 2820550B1 FR 0111565 A FR0111565 A FR 0111565A FR 0111565 A FR0111565 A FR 0111565A FR 2820550 B1 FR2820550 B1 FR 2820550B1
Authority
FR
France
Prior art keywords
amplifier
transmission system
optical transmission
raman
raman amplifier
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
FR0111565A
Other languages
English (en)
Other versions
FR2820550A1 (fr
Inventor
Takao Naito
Toshiki Tanaka
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 FR2820550A1 publication Critical patent/FR2820550A1/fr
Application granted granted Critical
Publication of FR2820550B1 publication Critical patent/FR2820550B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01S3/30—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
    • 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
    • H01S3/05—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
FR0111565A 2001-02-06 2001-09-06 Amplificateur de raman et systeme de transmission optique utilisant l'amplificateur Expired - Lifetime FR2820550B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001030053A JP4551007B2 (ja) 2001-02-06 2001-02-06 ラマン増幅器およびそれを用いた光伝送システム

Publications (2)

Publication Number Publication Date
FR2820550A1 FR2820550A1 (fr) 2002-08-09
FR2820550B1 true FR2820550B1 (fr) 2005-05-27

Family

ID=18894320

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0111565A Expired - Lifetime FR2820550B1 (fr) 2001-02-06 2001-09-06 Amplificateur de raman et systeme de transmission optique utilisant l'amplificateur

Country Status (3)

Country Link
US (1) US6639715B2 (fr)
JP (1) JP4551007B2 (fr)
FR (1) FR2820550B1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6631018B1 (en) * 1997-08-27 2003-10-07 Nortel Networks Limited WDM optical network with passive pass-through at each node
DE60134981D1 (de) * 2001-09-28 2008-09-04 Ipg Fibertech S R L Methode zur Erzeugung optischer Strahlung geeignet zur Verwendung in einem Raman-Verstärkungsprozess und Pumpquelle für Raman-Verstärker
JP2003107543A (ja) * 2001-09-28 2003-04-09 Sumitomo Electric Ind Ltd ラマン増幅方法、ラマン増幅器、及び光伝送システム
JP2003169037A (ja) * 2001-11-29 2003-06-13 Nec Corp 波長多重伝送装置
JP2003188831A (ja) * 2001-12-20 2003-07-04 Fujitsu Ltd 光伝送システムおよび光中継器
US7853333B2 (en) 2002-04-08 2010-12-14 Ardian, Inc. Methods and apparatus for multi-vessel renal neuromodulation
JP2004086143A (ja) * 2002-06-28 2004-03-18 Sumitomo Electric Ind Ltd 光伝送システム
JP3992565B2 (ja) * 2002-08-27 2007-10-17 富士通株式会社 光伝送システム
CN100388658C (zh) * 2002-09-12 2008-05-14 中兴通讯股份有限公司 多泵浦拉曼放大器增益谱平均斜率的调节装置和方法
JP4184046B2 (ja) 2002-11-18 2008-11-19 富士通株式会社 ラマン増幅器
JP4115814B2 (ja) 2002-11-26 2008-07-09 富士通株式会社 信号光の波長配置方法、並びに、その方法を用いた光伝送装置および波長多重光伝送システム
AU2002368474A1 (en) * 2002-12-19 2004-07-14 Pirelli And C. S.P.A. Multiple stage raman optical amplifier
US7145716B2 (en) * 2002-12-19 2006-12-05 Pirelli & C. S.P.A. Multiple stage Raman optical amplifier
JP4176527B2 (ja) 2003-03-31 2008-11-05 富士通株式会社 ラマン増幅器およびそれを用いた光伝送システム
DE60301549T2 (de) * 2003-04-14 2006-01-19 Alcatel Optischer Raman-Verstärker und Verfahren zur Pumpmodulation
US7619812B2 (en) * 2004-08-11 2009-11-17 Siemens Aktiengesellschaft Method and arrangement for the rapid adjustment of the tilt of optical WDM signals
US20070258717A1 (en) * 2006-05-01 2007-11-08 Masaaki Hirano Optical device and wavelength conversion method and optical fiber suitable for them
JP2008078728A (ja) * 2006-09-19 2008-04-03 Fujitsu Ltd 光伝送装置
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
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
US7869673B2 (en) * 2008-08-29 2011-01-11 Xtera Communications, Inc. Remote larger effective area optical fiber
JP5378861B2 (ja) * 2009-03-31 2013-12-25 古河電気工業株式会社 光ファイバレーザ
JP5570460B2 (ja) 2010-03-10 2014-08-13 オーエフエス ファイテル，エルエルシー 多芯ファイバ伝送システムおよび多芯ファイバ伝送方法
US8693088B2 (en) * 2010-03-16 2014-04-08 Ofs Fitel, Llc Multicore transmission and amplifier fibers and schemes for launching pump light to amplifier cores
US20120002283A1 (en) * 2010-06-30 2012-01-05 Chongjin Xie Method and apparatus for raman co-pumps
US8903211B2 (en) * 2011-03-16 2014-12-02 Ofs Fitel, Llc Pump-combining systems and techniques for multicore fiber transmissions
US9059799B2 (en) * 2011-04-21 2015-06-16 Futurewei Technologies, Inc. Apparatus and method to calculate a noise figure of an optical amplifier for wavelength channels in a partial-fill scenario to account for channel loading
US9905990B1 (en) 2014-04-17 2018-02-27 Alakai Defense Systems, Inc. Background removal from Raman spectra by an intracavity active-tuning element for a laser
CN108604930B (zh) * 2016-02-19 2021-02-02 三菱电机株式会社 激励光源装置及光传输系统
US10218454B2 (en) * 2017-03-13 2019-02-26 Google Llc Open, modular, and scalable optical line system
JP6829318B2 (ja) * 2017-08-25 2021-02-10 日本電信電話株式会社 光増幅中継システム、および光増幅器
US20220123517A1 (en) * 2018-12-28 2022-04-21 Nlight, Inc. Optical fiber devices and methods for reducing stimulated raman scattering (srs) light intensity in signal combined systems
EP4032155A4 (fr) * 2019-09-19 2023-10-25 Ofs Fitel Llc Amplificateur à bande o parallèle
WO2023058175A1 (fr) * 2021-10-06 2023-04-13 日本電信電話株式会社 Amplificateur distribué optique, système d'amplification distribuée optique et procédé d'amplification distribuée optique

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2757912B2 (ja) * 1996-01-16 1998-05-25 日本電気株式会社 光ファイバ通信方式
JPH1073852A (ja) * 1996-09-02 1998-03-17 Nippon Telegr & Teleph Corp <Ntt> 光増幅伝送システム
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
EP2306605B1 (fr) * 1998-07-23 2012-05-23 The Furukawa Electric Co., Ltd. Unité de pompage pour un amplificateur Raman et amplificateur Raman comportant la même
US6163636A (en) * 1999-01-19 2000-12-19 Lucent Technologies Inc. Optical communication system using multiple-order Raman amplifiers
US6147794A (en) * 1999-02-04 2000-11-14 Lucent Technologies, Inc. Raman amplifier with pump source for improved performance
JP3600063B2 (ja) * 1999-04-30 2004-12-08 日本電信電話株式会社 分布増幅型ファイバラマン増幅器を用いた光ファイバ通信システム
US6424455B1 (en) * 2000-10-03 2002-07-23 Tycom (Us) Inc. Wide bandwidth fiber raman amplifier

Also Published As

Publication number Publication date
US6639715B2 (en) 2003-10-28
JP2002229084A (ja) 2002-08-14
JP4551007B2 (ja) 2010-09-22
US20020105715A1 (en) 2002-08-08
FR2820550A1 (fr) 2002-08-09

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