FR2834137B1 - Amplificateur de raman et systeme de transmission optique - Google Patents

Amplificateur de raman et systeme de transmission optique

Info

Publication number
FR2834137B1
FR2834137B1 FR0203986A FR0203986A FR2834137B1 FR 2834137 B1 FR2834137 B1 FR 2834137B1 FR 0203986 A FR0203986 A FR 0203986A FR 0203986 A FR0203986 A FR 0203986A FR 2834137 B1 FR2834137 B1 FR 2834137B1
Authority
FR
France
Prior art keywords
transmission system
optical transmission
raman amplifier
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 - Fee Related
Application number
FR0203986A
Other languages
English (en)
Other versions
FR2834137A1 (fr
Inventor
Toshiki Tanaka
Kenichi Torii
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
Publication of FR2834137A1 publication Critical patent/FR2834137A1/fr
Application granted granted Critical
Publication of FR2834137B1 publication Critical patent/FR2834137B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • H01S3/30—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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
    • 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
    • H01S3/0675—Resonators including a grating structure, e.g. distributed Bragg reflectors [DBR] or distributed feedback [DFB] fibre 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
    • H01S3/05—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
    • H01S3/05—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
    • H01S3/094003—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
    • H01S3/10023—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by functional association of additional optical elements, e.g. filters, gratings, reflectors

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)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Lasers (AREA)
FR0203986A 2001-12-21 2002-03-29 Amplificateur de raman et systeme de transmission optique Expired - Fee Related FR2834137B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001390366A JP3808766B2 (ja) 2001-12-21 2001-12-21 ラマン増幅器および光伝送システム

Publications (2)

Publication Number Publication Date
FR2834137A1 FR2834137A1 (fr) 2003-06-27
FR2834137B1 true FR2834137B1 (fr) 2006-08-11

Family

ID=19188370

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0203986A Expired - Fee Related FR2834137B1 (fr) 2001-12-21 2002-03-29 Amplificateur de raman et systeme de transmission optique

Country Status (4)

Country Link
US (1) US6671083B2 (fr)
JP (1) JP3808766B2 (fr)
FR (1) FR2834137B1 (fr)
GB (1) GB2383466B (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2827099A1 (fr) * 2001-07-05 2003-01-10 Cit Alcatel Systeme de transmission a fibre optique a amplification par diffusion raman stimulee
US6992814B2 (en) * 2002-06-17 2006-01-31 Avanex Corporation Wide-band raman amplifiers
JP4046602B2 (ja) * 2002-12-06 2008-02-13 三菱電機株式会社 ラマン増幅器および光中継伝送システム
JP3961973B2 (ja) * 2003-03-14 2007-08-22 富士通株式会社 Ｏｔｄｒによる測定方法及び端局装置
FR2853092A1 (fr) * 2003-03-31 2004-10-01 France Telecom Dispositif optique, notamment de suppression du bruit dit de double retro-diffusion rayleigh, et installation comportant un tel dispositif
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
KR100487190B1 (ko) * 2003-04-22 2005-05-04 삼성전자주식회사 라만 광증폭기
US7499065B2 (en) * 2004-06-11 2009-03-03 Texas Instruments Incorporated Asymmetrical switching delay compensation in display systems
WO2008014374A2 (fr) * 2006-07-26 2008-01-31 Applied Optoelectronics, Inc. Régulation de la transmission de signaux optique pour réduire la détérioration des signaux optiques
US7982869B2 (en) 2006-10-24 2011-07-19 Pd-Ld Inc. Compact, low cost Raman monitor for single substances
US8553221B2 (en) 2006-10-24 2013-10-08 Pd-Ld, Inc. Compact, low cost Raman monitor for single substances
US8228598B2 (en) * 2008-01-07 2012-07-24 Xtera Communications, Inc. Optical amplifier with Raman and rare-earth-doped fiber amplifier both pumped efficiently using direct and reflected pump light
US8867921B2 (en) * 2008-10-01 2014-10-21 Ziva Corporation Optical communications in amplified reciprocal networks
JP5353582B2 (ja) * 2009-09-10 2013-11-27 富士通株式会社 光増幅装置
US8854726B2 (en) * 2012-03-13 2014-10-07 Adva Optical Networking Se Method for controlling signal gain of a Raman amplifier
US9148710B2 (en) * 2012-09-19 2015-09-29 Ciena Corporation Raman amplifier system and method with integrated optical time domain reflectometer
EP3438735A4 (fr) * 2016-03-30 2019-11-06 Nec Corporation Appareil de source de lumière d'excitation et procédé d'égalisation de gain
US9847831B2 (en) * 2016-04-08 2017-12-19 Ciena Corporation Dual wavelenth optical time domain reflectometer systems and methods embedded in a WDM system
US11189986B2 (en) * 2018-09-24 2021-11-30 Fujitsu Limited Low-noise Raman amplifier
US11621778B2 (en) * 2019-06-11 2023-04-04 Nippon Telegraph And Telephone Corporation Optical communication system and optical communication method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60263538A (ja) 1984-06-11 1985-12-27 Nippon Telegr & Teleph Corp <Ntt> 光フアイバ伝送方式
JPH02153327A (ja) 1988-12-06 1990-06-13 Oki Electric Ind Co Ltd 光増幅モジュール
US6344922B1 (en) 1998-07-21 2002-02-05 Corvis Corporation Optical signal varying devices
JP2000151507A (ja) 1998-11-09 2000-05-30 Nippon Telegr & Teleph Corp <Ntt> 光伝送システム
JP2001185787A (ja) 1999-12-24 2001-07-06 Sumitomo Electric Ind Ltd 分布ラマン増幅器
US6424455B1 (en) * 2000-10-03 2002-07-23 Tycom (Us) Inc. Wide bandwidth fiber raman amplifier

Also Published As

Publication number Publication date
JP3808766B2 (ja) 2006-08-16
JP2003198465A (ja) 2003-07-11
GB2383466A (en) 2003-06-25
US6671083B2 (en) 2003-12-30
FR2834137A1 (fr) 2003-06-27
GB2383466B (en) 2005-07-20
GB0206685D0 (en) 2002-05-01
US20030117692A1 (en) 2003-06-26

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Effective date: 20141128