DE69901757T2 - Optischer Faserverstärker - Google Patents

Optischer Faserverstärker

Info

Publication number
DE69901757T2
DE69901757T2 DE69901757T DE69901757T DE69901757T2 DE 69901757 T2 DE69901757 T2 DE 69901757T2 DE 69901757 T DE69901757 T DE 69901757T DE 69901757 T DE69901757 T DE 69901757T DE 69901757 T2 DE69901757 T2 DE 69901757T2
Authority
DE
Germany
Prior art keywords
optical fiber
fiber amplifier
amplifier
optical
fiber
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
DE69901757T
Other languages
English (en)
Other versions
DE69901757D1 (de
Inventor
Mikiya Suzuki
Shigeru Shikii
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Publication of DE69901757D1 publication Critical patent/DE69901757D1/de
Application granted granted Critical
Publication of DE69901757T2 publication Critical patent/DE69901757T2/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
    • H04B10/293—Signal power control
    • H04B10/294—Signal power control in a multiwavelength system, e.g. gain equalisation
    • H04B10/296—Transient power control, e.g. due to channel add/drop or rapid fluctuations in the input power
    • 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
    • H01S3/14—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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Lasers (AREA)
DE69901757T 1998-04-27 1999-03-31 Optischer Faserverstärker Expired - Lifetime DE69901757T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10116540A JPH11307853A (ja) 1998-04-27 1998-04-27 光ファイバ増幅器

Publications (2)

Publication Number Publication Date
DE69901757D1 DE69901757D1 (de) 2002-07-18
DE69901757T2 true DE69901757T2 (de) 2003-01-09

Family

ID=14689658

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69901757T Expired - Lifetime DE69901757T2 (de) 1998-04-27 1999-03-31 Optischer Faserverstärker

Country Status (4)

Country Link
US (1) US6344924B1 (de)
EP (1) EP0954071B1 (de)
JP (1) JPH11307853A (de)
DE (1) DE69901757T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4281245B2 (ja) * 2000-12-15 2009-06-17 富士通株式会社 光増幅器
FR2838190B1 (fr) * 2002-04-08 2004-10-15 Cit Alcatel Dispositif de mesure et/ou de controle dynamique de perte de puissance dans une ligne de transmission optique a canal de supervision, et procede associe
US6721091B2 (en) * 2002-06-13 2004-04-13 Tyco Telecommunications (Us) Inc. System and method for controlling optical amplifier pumps
WO2005018065A1 (ja) * 2003-08-13 2005-02-24 Advantest Corporation 光増幅装置
KR20050060674A (ko) * 2003-12-17 2005-06-22 삼성전자주식회사 직접 펌핑 구조의 광대역 광원
US7643759B2 (en) * 2005-01-12 2010-01-05 Sumitomo Electric Industries, Ltd. Signal-quality evaluation device, signal adjustment method, optical-signal evaluation system, and optical transmission system
CN103201915B (zh) * 2010-10-29 2016-04-06 古河电气工业株式会社 光放大装置以及光传送系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5131069A (en) * 1991-08-12 1992-07-14 Corning Incorporated Fiber amplifier having modified gain spectrum
JPH05107573A (ja) * 1991-10-17 1993-04-30 Fujitsu Ltd 光増幅器
US5243613A (en) * 1991-11-05 1993-09-07 Synchronous Communications, Inc. Method and apparatus to compensate for distortion in optical transmission systems
US5530584A (en) * 1994-12-16 1996-06-25 National Research Council Of Canada Control of gain and dispersion of a signal in an optical medium
JPH0943647A (ja) * 1995-07-28 1997-02-14 Nec Corp 利得等化器および光増幅器
DE19547603A1 (de) * 1995-12-20 1997-06-26 Sel Alcatel Ag Optische Verstärkereinrichtung
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
US5764406A (en) * 1996-10-01 1998-06-09 Corning Incorporated Hydrid optical amplifier having improved dynamic gain tilt

Also Published As

Publication number Publication date
EP0954071B1 (de) 2002-06-12
EP0954071A1 (de) 1999-11-03
DE69901757D1 (de) 2002-07-18
JPH11307853A (ja) 1999-11-05
US6344924B1 (en) 2002-02-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition