IT1290943B1 - Amplificatore a fibra ottica drogata con er. - Google Patents

Amplificatore a fibra ottica drogata con er.

Info

Publication number
IT1290943B1
IT1290943B1 IT97RM000096A ITRM970096A IT1290943B1 IT 1290943 B1 IT1290943 B1 IT 1290943B1 IT 97RM000096 A IT97RM000096 A IT 97RM000096A IT RM970096 A ITRM970096 A IT RM970096A IT 1290943 B1 IT1290943 B1 IT 1290943B1
Authority
IT
Italy
Prior art keywords
optical fiber
fiber optic
optic amplifier
amplifier
optical
Prior art date
Application number
IT97RM000096A
Other languages
English (en)
Inventor
Isamu Oshima
Akira Fujisaki
Haruki Ogoshi
Original Assignee
Furukawa Electric Co 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 Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Publication of ITRM970096A1 publication Critical patent/ITRM970096A1/it
Application granted granted Critical
Publication of IT1290943B1 publication Critical patent/IT1290943B1/it

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
    • H01S3/09—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
    • H01S2303/00—Pumping wavelength
    • 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
    • H01S3/14—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
    • H01S3/30—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
IT97RM000096A 1996-02-23 1997-02-21 Amplificatore a fibra ottica drogata con er. IT1290943B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03640696A JP3403288B2 (ja) 1996-02-23 1996-02-23 光増幅装置

Publications (2)

Publication Number Publication Date
ITRM970096A1 ITRM970096A1 (it) 1998-08-21
IT1290943B1 true IT1290943B1 (it) 1998-12-14

Family

ID=12468965

Family Applications (1)

Application Number Title Priority Date Filing Date
IT97RM000096A IT1290943B1 (it) 1996-02-23 1997-02-21 Amplificatore a fibra ottica drogata con er.

Country Status (4)

Country Link
US (1) US5883736A (it)
JP (1) JP3403288B2 (it)
FR (1) FR2745395B1 (it)
IT (1) IT1290943B1 (it)

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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
US6374006B1 (en) 1998-03-20 2002-04-16 Xtera Communications, Inc. Chirped period gratings for raman amplification in circulator loop cavities
US6600592B2 (en) 1998-03-24 2003-07-29 Xtera Communications, Inc. S+ band nonlinear polarization amplifiers
US6356384B1 (en) 1998-03-24 2002-03-12 Xtera Communications Inc. Broadband amplifier and communication system
US6760148B2 (en) 1998-03-24 2004-07-06 Xtera Communications, Inc. Nonlinear polarization amplifiers in nonzero dispersion shifted fiber
US6359725B1 (en) 1998-06-16 2002-03-19 Xtera Communications, Inc. Multi-stage optical amplifier and broadband communication system
US6574037B2 (en) 1998-06-16 2003-06-03 Xtera Communications, Inc. All band amplifier
US6335820B1 (en) 1999-12-23 2002-01-01 Xtera Communications, Inc. Multi-stage optical amplifier and broadband communication system
US6236487B1 (en) * 1998-07-21 2001-05-22 Corvis Corporation Optical communication control system
US6839522B2 (en) 1998-07-21 2005-01-04 Corvis Corporation Optical signal varying devices, systems and methods
US6344922B1 (en) 1998-07-21 2002-02-05 Corvis Corporation Optical signal varying devices
US6115174A (en) 1998-07-21 2000-09-05 Corvis Corporation Optical signal varying devices
EP2315073B1 (en) * 1998-07-23 2014-12-31 The Furukawa Electric Co., Ltd. Raman amplifier and Raman amplification method
US6567430B1 (en) 1998-09-21 2003-05-20 Xtera Communications, Inc. Raman oscillator including an intracavity filter and amplifiers utilizing same
US6246515B1 (en) * 1998-12-18 2001-06-12 Corning Incorporated Apparatus and method for amplifying an optical signal
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
US6052219A (en) * 1999-02-16 2000-04-18 Tyco Submarine Systems Ltd. Wide bandwidth Raman amplifier capable of employing pump energy spectrally overlapping the signal
US6356383B1 (en) * 1999-04-02 2002-03-12 Corvis Corporation Optical transmission systems including optical amplifiers apparatuses and methods
KR100329603B1 (ko) * 1999-05-08 2002-03-21 윤덕용 라만 광섬유 변조기 및 광 변조방법
US6587261B1 (en) * 1999-05-24 2003-07-01 Corvis Corporation Optical transmission systems including optical amplifiers and methods of use therein
CA2339115A1 (en) * 1999-05-31 2000-12-07 The Furukawa Electric Co., Ltd. Raman amplification system and optical signal transmission method using the same
US6611369B2 (en) * 1999-09-06 2003-08-26 Furukawa Electric Co., Ltd. Optical signal amplifier
FR2800219B1 (fr) * 1999-10-22 2006-06-30 Algety Telecom Procede d'ajustement de puissance pour un systeme de transmission optique a multiplexage en longueur d'onde
FR2800218B1 (fr) * 1999-10-22 2002-01-11 Algety Telecom Systeme de transmission par fibre optique utilisant des impulsions rz
DE19961515C2 (de) * 1999-12-20 2002-04-25 Siemens Ag Anordnung zur Übertragung von Pumplicht hoher Leistung zur Fernspeisung eines Faserverstärkers
CA2365109A1 (en) * 1999-12-24 2001-07-05 Sumitomo Electric Industries, Ltd. Optical transmission line, method for manufacturing optical transmission line, and optical transmission system
AU2001227844A1 (en) * 2000-01-12 2001-07-24 Xtera Communications, Inc. Raman amplifier with bi-directional pumping
CA2366471A1 (en) * 2000-01-14 2001-07-19 The Furukawa Electric Co., Ltd Raman amplifier
JP5074645B2 (ja) * 2000-02-03 2012-11-14 古河電気工業株式会社 励起光源装置
WO2001078264A2 (en) 2000-02-14 2001-10-18 Xtera Communications, Inc. Nonlinear optical loop mirror
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
US6344925B1 (en) * 2000-03-03 2002-02-05 Corvis Corporation Optical systems and methods and optical amplifiers for use therein
DE10012881B4 (de) * 2000-03-16 2008-09-04 Nokia Siemens Networks Gmbh & Co.Kg Ramanverstärkeranordnung
JP2001274494A (ja) * 2000-03-24 2001-10-05 Mitsubishi Cable Ind Ltd 光増幅装置
US6611368B1 (en) * 2000-04-20 2003-08-26 Lucent Technologies Inc. Time-division multiplexed pump wavelengths resulting in ultra broad band, flat, backward pumped Raman gain
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
JP4671478B2 (ja) 2000-08-08 2011-04-20 富士通株式会社 波長多重光通信システムおよび波長多重光通信方法
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
US6466363B1 (en) * 2000-09-27 2002-10-15 Nortel Networks Limited Broadband amplification with first and second amplifiers having different pump wavelength requirements
US6452716B1 (en) 2000-10-05 2002-09-17 Nortel Networks Limited Amplitude modulation of a pump laser signal in a distributed raman amplifier
US7274880B2 (en) * 2000-11-16 2007-09-25 Tyco Telecommunications (Us) Inc. Raman assisted EDFA system and method
KR100358158B1 (ko) * 2000-11-21 2002-10-25 주식회사 케이티 소극기를 이용한 분산보상 라만 증폭기 및 그를 이용한하이브리드형 광섬유 증폭장치
KR100358184B1 (ko) * 2000-12-27 2002-10-25 주식회사 케이티 광섬유 증폭 장치의 펌프 광원 제어 장치 및 그를 이용한하이브리드형 광섬유 증폭 장치
JP2002229083A (ja) * 2001-01-31 2002-08-14 Sumitomo Electric Ind Ltd 光通信システム
US6724528B2 (en) 2001-02-27 2004-04-20 The United States Of America As Represented By The Secretary Of The Navy Polarization-maintaining optical fiber amplifier employing externally applied stress-induced birefringence
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
KR100395430B1 (ko) * 2001-10-29 2003-08-21 이동한 라만 광섬유증폭기와 반도체 광증폭기의 결합장치
JP3578343B2 (ja) 2001-10-31 2004-10-20 日本電気株式会社 光ファイバ伝送システム、ラマン利得効率測定装置及びラマン利得効率測定方法
JP2003188831A (ja) * 2001-12-20 2003-07-04 Fujitsu Ltd 光伝送システムおよび光中継器
KR100446541B1 (ko) * 2002-02-20 2004-09-01 삼성전자주식회사 분산 보상된 라만 광섬유 증폭기
KR100407825B1 (ko) * 2002-02-23 2003-12-01 한국전자통신연구원 저잡음 분산보상 하이브리드 형 광섬유 증폭기
FR2838004A1 (fr) * 2002-04-02 2003-10-03 Cit Alcatel Procede de perfectionnement de transmission de signaux optiques a amplification relais pilotee a distance
ITMI20020922A1 (it) * 2002-04-30 2003-10-30 Marconi Comm Spa Architettura di amplificatore ottico basato su srs (stimulated raman scattering) multipli per sistemi ottici di comunicazione
JP3838939B2 (ja) * 2002-05-22 2006-10-25 エルピーダメモリ株式会社 メモリシステムとモジュール及びレジスタ
JP4175051B2 (ja) 2002-08-02 2008-11-05 日本電気株式会社 光伝送システム及び光伝送システムの光増幅方法
KR100432558B1 (ko) * 2002-09-05 2004-05-24 주식회사 라이콤 광증폭기
CN100337155C (zh) 2004-09-15 2007-09-12 华为技术有限公司 一种光传输系统及在其中采用的光放大的方法
CA2581654C (en) * 2004-09-28 2013-08-20 Mpb Communications Inc. Cascaded pump delivery for remotely pumped erbium-doped fiber amplifiers
KR100668289B1 (ko) * 2004-12-14 2007-01-16 한국전자통신연구원 광섬유
FR2939974A1 (fr) * 2008-12-17 2010-06-18 Centre Nat Rech Scient Laser impulsionnel a fibre optique pour impulsions sub-picoseconde de haute energie dans la bande l et outil laser pour chirurgie ophtalmique
CN110048294B (zh) * 2019-03-20 2020-05-08 广东朗研科技有限公司 一种产生高功率中红外超快脉冲激光的方法

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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

Also Published As

Publication number Publication date
FR2745395A1 (fr) 1997-08-29
FR2745395B1 (fr) 2000-05-12
JP3403288B2 (ja) 2003-05-06
US5883736A (en) 1999-03-16
JPH09230399A (ja) 1997-09-05
ITRM970096A1 (it) 1998-08-21

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