DE69102210D1 - Optischer Mehrstufenverstärker. - Google Patents

Optischer Mehrstufenverstärker.

Info

Publication number
DE69102210D1
DE69102210D1 DE69102210T DE69102210T DE69102210D1 DE 69102210 D1 DE69102210 D1 DE 69102210D1 DE 69102210 T DE69102210 T DE 69102210T DE 69102210 T DE69102210 T DE 69102210T DE 69102210 D1 DE69102210 D1 DE 69102210D1
Authority
DE
Germany
Prior art keywords
stage amplifier
optical multi
optical
amplifier
stage
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
DE69102210T
Other languages
English (en)
Other versions
DE69102210T2 (de
Inventor
David J Digiovanni
Clinton Randy Giles
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
American Telephone and Telegraph Co Inc
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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Application granted granted Critical
Publication of DE69102210D1 publication Critical patent/DE69102210D1/de
Publication of DE69102210T2 publication Critical patent/DE69102210T2/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
    • 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
    • H01S3/09—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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Optical Communication System (AREA)
DE69102210T 1990-06-22 1991-06-13 Optischer Mehrstufenverstärker. Expired - Lifetime DE69102210T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/542,296 US5050949A (en) 1990-06-22 1990-06-22 Multi-stage optical fiber amplifier

Publications (2)

Publication Number Publication Date
DE69102210D1 true DE69102210D1 (de) 1994-07-07
DE69102210T2 DE69102210T2 (de) 1994-09-08

Family

ID=24163185

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69102210T Expired - Lifetime DE69102210T2 (de) 1990-06-22 1991-06-13 Optischer Mehrstufenverstärker.

Country Status (4)

Country Link
US (1) US5050949A (de)
EP (1) EP0463771B1 (de)
JP (1) JP2968614B2 (de)
DE (1) DE69102210T2 (de)

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US5347533A (en) * 1991-09-17 1994-09-13 Fujitsu Limited Optical semiconductor device, method of producing the optical semiconductor device, and laser device using optical semiconductor devices
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US5185826A (en) * 1992-02-07 1993-02-09 At&T Bell Laboratories Hybrid pumping arrangement for doped fiber amplifiers
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JPH05347449A (ja) * 1992-06-12 1993-12-27 Ando Electric Co Ltd 信号光及び信号光と波長の違う連続光を増幅する光増幅器
US5321707A (en) * 1992-07-27 1994-06-14 General Instrument Corporation Remote pumping for active optical devices
GB9217706D0 (en) * 1992-08-20 1992-09-30 Bt & D Technologies Ltd Multistage fibre amplifier
JPH0625811U (ja) * 1992-08-31 1994-04-08 テレコミュニケーション・ラボラトリーズ・ディレクトレート・ジェネラル・オブ・テレコミュニケーションズ・ミニストリー・オブ・コミュニケーションズ 移送可能な主動的スター・オプチカル・ファイバ・ファイバ
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
DE4305838A1 (de) * 1993-02-26 1994-09-01 Sel Alcatel Ag Mehrstufiger faseroptischer Verstärker
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US5406411A (en) * 1993-10-14 1995-04-11 Corning Incorporated Fiber amplifier having efficient pump power utilization
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US6137812A (en) * 1994-02-24 2000-10-24 Micron Optics, Inc. Multiple cavity fiber fabry-perot lasers
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GB9522943D0 (en) * 1995-08-05 1996-01-10 Samsung Electronics Co Ltd Erbium doped fiber amplifier
JP2846291B2 (ja) * 1995-08-24 1999-01-13 松下電器産業株式会社 中間アイソレータ型光ファイバ増幅器および光ファイバ伝送システム
DE19536231A1 (de) * 1995-09-28 1997-04-10 Siemens Ag Faserverstärker für mehrere Signale mit unterschiedlichen Wellenlängen unter Einsatz eines Wellenlängendemultiplexers und eines Wellenlängenmultiplexers
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JP3839861B2 (ja) * 1995-11-20 2006-11-01 住友電気工業株式会社 光ファイバ増幅器
JP3422398B2 (ja) * 1995-12-07 2003-06-30 富士通株式会社 重心波長モニタ方法及び装置、光増幅器並びに光通信システム
JPH09191303A (ja) * 1996-01-09 1997-07-22 Kokusai Denshin Denwa Co Ltd <Kdd> 光伝送路
US5867305A (en) * 1996-01-19 1999-02-02 Sdl, Inc. Optical amplifier with high energy levels systems providing high peak powers
KR100194421B1 (ko) * 1996-01-29 1999-06-15 윤종용 광섬유증폭기
GB2349287B (en) * 1996-02-07 2001-02-28 Fujitsu Ltd Apparatus and method for optical equalization and amplification
JP3730299B2 (ja) * 1996-02-07 2005-12-21 富士通株式会社 光等化増幅器および光等化増幅方法
KR970064034A (ko) * 1996-02-10 1997-09-12 김광호 다중파장 자동 파워 및 이득 조절용 광전송 시스템 및 레이저
JP3670434B2 (ja) * 1996-04-22 2005-07-13 ルーセント テクノロジーズ インコーポレーテッド 多段光ファイバ増幅器を有するシステム
JPH09289349A (ja) * 1996-04-23 1997-11-04 Nec Corp 光イコライザおよびこれを用いた光増幅装置と波長多重光伝送装置
US6025947A (en) * 1996-05-02 2000-02-15 Fujitsu Limited Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
US6369938B1 (en) 1996-05-28 2002-04-09 Fujitsu Limited Multi-wavelength light amplifier
GB2314714B (en) * 1996-06-26 2000-04-05 Northern Telecom Ltd Optical amplifier modules
JP3228462B2 (ja) * 1996-11-19 2001-11-12 セントラル硝子株式会社 光導波路及びそれを用いた１．５μｍ帯光増幅器
DE69815314T2 (de) * 1997-03-17 2003-12-11 Jds Uniphase Corp Mehrstufiger faseroptischer verstärker
KR100326039B1 (ko) * 1997-06-30 2002-09-05 삼성전자 주식회사 흡수체를갖는광증폭기
US5887091A (en) * 1997-07-18 1999-03-23 Ditech Corporation Bidirectional optical amplifier having flat gain
AU9782898A (en) * 1997-07-18 2000-04-26 Ditech Corporation Bidirectional optical amplifier having flat gain
US5861981A (en) * 1997-08-20 1999-01-19 Ditech Corporation Optical amplifier having dynamically shaped gain
KR100267861B1 (ko) * 1997-10-15 2000-10-16 윤종용 광섬유증폭기
US5991069A (en) * 1998-01-22 1999-11-23 Tyco Submarine Systems, Ltd. Split-pumped dual stage optical fiber amplifier
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US6603596B2 (en) * 1998-03-19 2003-08-05 Fujitsu Limited Gain and signal level adjustments of cascaded optical amplifiers
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Also Published As

Publication number Publication date
DE69102210T2 (de) 1994-09-08
EP0463771B1 (de) 1994-06-01
JPH04233519A (ja) 1992-08-21
EP0463771A2 (de) 1992-01-02
US5050949A (en) 1991-09-24
EP0463771A3 (en) 1992-06-03
JP2968614B2 (ja) 1999-10-25

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