DE60234795D1 - Pumplichtquelleneinheit, Ramanverstärker und optisches Übertragungssystem - Google Patents

Pumplichtquelleneinheit, Ramanverstärker und optisches Übertragungssystem

Info

Publication number
DE60234795D1
DE60234795D1 DE60234795T DE60234795T DE60234795D1 DE 60234795 D1 DE60234795 D1 DE 60234795D1 DE 60234795 T DE60234795 T DE 60234795T DE 60234795 T DE60234795 T DE 60234795T DE 60234795 D1 DE60234795 D1 DE 60234795D1
Authority
DE
Germany
Prior art keywords
light source
transmission system
source unit
optical transmission
pump light
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
DE60234795T
Other languages
English (en)
Inventor
Masayuki Inoue
Motoki Kakui
Masakazu Shigehara
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Application granted granted Critical
Publication of DE60234795D1 publication Critical patent/DE60234795D1/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
    • H04B10/2912—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
    • H01S3/05—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
    • 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
    • H01S3/1003—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 tunable optical elements, e.g. acousto-optic filters, tunable gratings
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/14—External cavity lasers
    • H01S5/146—External cavity lasers using a fiber as external cavity
DE60234795T 2001-06-29 2002-06-27 Pumplichtquelleneinheit, Ramanverstärker und optisches Übertragungssystem Expired - Lifetime DE60234795D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001199158 2001-06-29

Publications (1)

Publication Number Publication Date
DE60234795D1 true DE60234795D1 (de) 2010-02-04

Family

ID=19036488

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60234795T Expired - Lifetime DE60234795D1 (de) 2001-06-29 2002-06-27 Pumplichtquelleneinheit, Ramanverstärker und optisches Übertragungssystem

Country Status (4)

Country Link
US (1) US6867907B2 (de)
EP (1) EP1271813B1 (de)
JP (1) JP2008158554A (de)
DE (1) DE60234795D1 (de)

Families Citing this family (15)

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Publication number Priority date Publication date Assignee Title
JP3933550B2 (ja) * 2002-07-15 2007-06-20 古河電気工業株式会社 増幅帯域拡張機能を有したラマン増幅励起用光源装置、これを用いたラマン増幅器、増幅帯域拡張設定方法およびそのプログラム
ITMI20022079A1 (it) * 2002-10-02 2004-04-03 Marconi Comm Ltd Amplificatore di raman.
US6882764B1 (en) * 2002-11-20 2005-04-19 Finisar Corporation Polarization independent packaging for polarization sensitive optical waveguide amplifier
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
JP4451696B2 (ja) 2004-03-30 2010-04-14 富士通株式会社 微細構造ファイバの非線形係数の波長依存性をキャンセルする装置
EP1760521A4 (de) * 2004-06-23 2013-12-04 Nippon Telegraph & Telephone Linear-zwischenverstärker und faseroptisches kommunikationssystem
EP1788728A1 (de) * 2005-11-18 2007-05-23 Alcatel Lucent Ramanverstärker und optisches Übertragungssystem
US20120002283A1 (en) * 2010-06-30 2012-01-05 Chongjin Xie Method and apparatus for raman co-pumps
JP5614327B2 (ja) * 2011-02-24 2014-10-29 日本電気株式会社 光増幅器制御装置
US9692207B2 (en) 2011-09-30 2017-06-27 Aurrion, Inc. Tunable laser with integrated wavelength reference
JP6011222B2 (ja) * 2012-10-05 2016-10-19 富士通株式会社 可変波長光源および波長可変方法
KR20140092214A (ko) * 2013-01-15 2014-07-23 오므론 가부시키가이샤 레이저 발진기
EP3217574A1 (de) * 2016-03-09 2017-09-13 Xieon Networks S.à r.l. Bidirektionale und konfigurierbare, direktionale raman-pumpende vorrichtung
US10916909B2 (en) * 2017-07-11 2021-02-09 Facebook, Inc. Ultra-wideband Raman amplifier with comb source
JP7212274B2 (ja) 2020-02-25 2023-01-25 日亜化学工業株式会社 光源装置、ダイレクトダイオードレーザ装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5173957A (en) * 1991-09-12 1992-12-22 At&T Bell Laboratories Pump redundancy for optical amplifiers
JP3822657B2 (ja) * 1995-05-11 2006-09-20 Ｋｄｄｉ株式会社 光ファイバ増幅器
JP3631354B2 (ja) * 1997-07-01 2005-03-23 三菱電機株式会社 光増幅器
US6374006B1 (en) * 1998-03-20 2002-04-16 Xtera Communications, Inc. Chirped period gratings for raman amplification in circulator loop cavities
EP2315073B1 (de) * 1998-07-23 2014-12-31 The Furukawa Electric Co., Ltd. Ramanverstärker und Methode zur Ramanverstärkung
US6125162A (en) 1998-08-20 2000-09-26 Pitney Bowes Inc. Postage meter having non-Gregorian calendar capability
JP3605629B2 (ja) * 1998-12-15 2004-12-22 富士通株式会社 光源の冗長切替方法及び該方法による波長多重伝送装置
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
FR2795247B1 (fr) * 1999-06-21 2001-09-14 Cit Alcatel Amplificateur raman a bandes multiples
WO2001047152A2 (en) * 1999-12-23 2001-06-28 Sdl, Inc. A lossless optical transmission link with raman gain
JP3520015B2 (ja) 2000-01-26 2004-04-19 三菱電機株式会社 目標追尾方法
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
JP2001356377A (ja) * 2000-06-16 2001-12-26 Kdd Submarine Cable Systems Inc ポンプ光発生装置及びファイバラマン増幅器
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
US6433921B1 (en) * 2001-01-12 2002-08-13 Onetta, Inc. Multiwavelength pumps for raman amplifier systems
US6525870B1 (en) * 2001-07-26 2003-02-25 Ciena Corporation Method and system for controlling Raman gain flatness sensitivity to pump laser wavelength variation

Also Published As

Publication number Publication date
EP1271813A3 (de) 2005-08-24
EP1271813B1 (de) 2009-12-23
EP1271813A2 (de) 2003-01-02
US6867907B2 (en) 2005-03-15
JP2008158554A (ja) 2008-07-10
US20030002143A1 (en) 2003-01-02

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