DE69400790D1 - Optischer Verstärker - Google Patents

Optischer Verstärker

Info

Publication number
DE69400790D1
DE69400790D1 DE69400790T DE69400790T DE69400790D1 DE 69400790 D1 DE69400790 D1 DE 69400790D1 DE 69400790 T DE69400790 T DE 69400790T DE 69400790 T DE69400790 T DE 69400790T DE 69400790 D1 DE69400790 D1 DE 69400790D1
Authority
DE
Germany
Prior art keywords
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
DE69400790T
Other languages
English (en)
Other versions
DE69400790T2 (de
Inventor
Jean-Marc Pierre Delavaux
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.)
AT&T Corp
Original Assignee
AT&T Corp
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 AT&T Corp filed Critical AT&T Corp
Application granted granted Critical
Publication of DE69400790D1 publication Critical patent/DE69400790D1/de
Publication of DE69400790T2 publication Critical patent/DE69400790T2/de
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
    • H01S3/05—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
    • H01S3/05—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
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08086—Multiple-wavelength emission
    • H01S3/0809—Two-wavelenghth emission
    • 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
    • H01S3/094015—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre with pump light recycling, i.e. with reinjection of the unused pump light back into the fiber, e.g. by reflectors or circulators
    • 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
    • H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
DE69400790T 1993-08-31 1994-08-24 Optischer Verstärker Expired - Lifetime DE69400790T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/114,819 US5392153A (en) 1993-08-31 1993-08-31 Optical amplifier

Publications (2)

Publication Number Publication Date
DE69400790D1 true DE69400790D1 (de) 1996-11-28
DE69400790T2 DE69400790T2 (de) 1997-05-15

Family

ID=22357618

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69400790T Expired - Lifetime DE69400790T2 (de) 1993-08-31 1994-08-24 Optischer Verstärker

Country Status (4)

Country Link
US (1) US5392153A (de)
EP (1) EP0641051B1 (de)
JP (1) JP2999376B2 (de)
DE (1) DE69400790T2 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2546484B2 (ja) * 1993-04-13 1996-10-23 日本電気株式会社 光ファイバアンプ装置
JP2636152B2 (ja) * 1993-11-24 1997-07-30 住友電気工業株式会社 光ファイバ増幅器および光通信システム
US5721635A (en) * 1993-11-24 1998-02-24 Sumitomo Electric Industries, Ltd. Optical fiber amplifier and optical amplifier repeater
JP3250206B2 (ja) * 1994-02-14 2002-01-28 住友電気工業株式会社 光ファイバ増幅器
DE69416396T2 (de) * 1994-04-11 1999-06-10 Hewlett-Packard Gmbh, 71034 Boeblingen Rauschpegelmessungsverfahren in Gegenwart von einem Signal
JP3195160B2 (ja) * 1994-05-06 2001-08-06 株式会社日立製作所 光増幅器
FR2721158B1 (fr) * 1994-06-14 1996-07-12 Alcatel Submarcom Système de transmission sur une ligne à fibre optique sans répéteur, avec amplifications distante et locale.
US6011644A (en) * 1994-07-29 2000-01-04 Corning Incorporated Hybrid fiber amplifier
AU711376B2 (en) * 1994-07-29 1999-10-14 Corning Incorporated Hybrid fiber amplifier
US5790722A (en) * 1996-04-16 1998-08-04 Hughes Electronics High power optical fiber amplifier/laser system
FR2747868B1 (fr) * 1996-04-18 1998-05-15 Alcatel Submarcom Montage a deux amplificateurs optiques, notamment pour repeteur d'un systeme de telecommunication par voie sous-marine
KR100317452B1 (ko) * 1996-12-31 2002-02-19 이정태 궤환구조형이종펌핑광섬유증폭기
US5757541A (en) * 1997-01-15 1998-05-26 Litton Systems, Inc. Method and apparatus for an optical fiber amplifier
US6043928A (en) * 1997-06-27 2000-03-28 Lucent Technologies Inc. Robust multi-wavelength optical fiber communication systems
SE522586C2 (sv) * 1998-04-01 2004-02-24 Ericsson Telefon Ab L M Optisk fiberförstärkare med förstärkningsutjämnande filter
JP3102410B2 (ja) 1998-05-18 2000-10-23 日本電気株式会社 光スイッチ
KR100350482B1 (ko) * 1999-07-22 2002-08-28 삼성전자 주식회사 비동기전송모드 무선접속망의 고장관리방법
US6583925B1 (en) * 1999-12-23 2003-06-24 Agere Systems Inc. Efficient pumping for high power rare-earth doped fiber amplifiers
US6643057B2 (en) * 2001-02-26 2003-11-04 Corning Incorporated Optical amplifier with reduced non-linear signal impairments by optimum pumping configuration and method for using same
JP3608521B2 (ja) * 2001-03-19 2005-01-12 日本電気株式会社 光増幅中継システム
US20030011878A1 (en) * 2001-07-11 2003-01-16 Maas Steven J. Remote pumping of optical amplifier system and method
EP1982343A4 (de) 2006-01-11 2010-10-20 Server Tech Inc Stromverteilungseinheit und verfahren zur herstellung und verwendung einschliesslich einer modularen konstruktion und baugruppen
US9078697B2 (en) * 2009-03-18 2015-07-14 Covidien Lp Surgical portal apparatus including movable housing
US9680283B2 (en) 2013-12-20 2017-06-13 Oplink Communications, Llc Switchable-gain optical amplifier

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5260823A (en) * 1990-05-21 1993-11-09 University Of Southampton Erbium-doped fibre amplifier with shaped spectral gain
GB2264807B (en) * 1992-02-20 1995-10-04 Univ Southampton Optical amplifier
US5283686A (en) * 1992-07-27 1994-02-01 General Instrument Corporation, Jerrold Communications Optical systems with grating reflector
US5253104A (en) * 1992-09-15 1993-10-12 At&T Bell Laboratories Balanced optical amplifier
US5280383A (en) * 1992-12-02 1994-01-18 At&T Bell Laboratories Dual-stage low power optical amplifier
US5287216A (en) * 1992-12-14 1994-02-15 Gte Laboratories Incorporated Fiber amplifier with multiple pumps

Also Published As

Publication number Publication date
EP0641051B1 (de) 1996-10-23
DE69400790T2 (de) 1997-05-15
EP0641051A1 (de) 1995-03-01
US5392153A (en) 1995-02-21
JPH07199245A (ja) 1995-08-04
JP2999376B2 (ja) 2000-01-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition