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FR2756983B1 - Amplificateur optique et procede et dispositif de controle de gain d'amplificateur optique - Google Patents

Amplificateur optique et procede et dispositif de controle de gain d'amplificateur optique

Info

Publication number
FR2756983B1
FR2756983B1 FR9715621A FR9715621A FR2756983B1 FR 2756983 B1 FR2756983 B1 FR 2756983B1 FR 9715621 A FR9715621 A FR 9715621A FR 9715621 A FR9715621 A FR 9715621A FR 2756983 B1 FR2756983 B1 FR 2756983B1
Authority
FR
France
Prior art keywords
optical amplifier
controlling
gain
amplifier gain
controlling 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 - Fee Related
Application number
FR9715621A
Other languages
English (en)
Other versions
FR2756983A1 (fr
Inventor
Masayuki Fujita
Miwa Saeki
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Publication of FR2756983A1 publication Critical patent/FR2756983A1/fr
Application granted granted Critical
Publication of FR2756983B1 publication Critical patent/FR2756983B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
    • H01S5/06832—Stabilising during amplitude modulation
    • 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
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/06825—Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation
    • 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
    • H01S5/50—Amplifier structures not provided for in groups H01S5/02 - H01S5/30

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Optical Communication System (AREA)
FR9715621A 1996-12-10 1997-12-10 Amplificateur optique et procede et dispositif de controle de gain d'amplificateur optique Expired - Fee Related FR2756983B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32980296 1996-12-10

Publications (2)

Publication Number Publication Date
FR2756983A1 FR2756983A1 (fr) 1998-06-12
FR2756983B1 true FR2756983B1 (fr) 1999-07-16

Family

ID=18225419

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9715621A Expired - Fee Related FR2756983B1 (fr) 1996-12-10 1997-12-10 Amplificateur optique et procede et dispositif de controle de gain d'amplificateur optique

Country Status (3)

Country Link
US (1) US6008935A (fr)
FR (1) FR2756983B1 (fr)
IT (1) IT1296852B1 (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1168205A (ja) * 1997-08-18 1999-03-09 Nec Corp 波長多重伝送用の光増幅器
WO2000028681A1 (fr) * 1998-11-06 2000-05-18 Sumitomo Electric Industries, Ltd. Procede et appareil de surveillance de communication optique, systeme amplificateur optique, procede de commande dudit systeme amplificateur optique et systeme de communication optique
US6163399A (en) * 1998-12-08 2000-12-19 Nortel Networks Limited Method and apparatus for suppressing transients in optical amplifiers
JP3851007B2 (ja) * 1998-12-18 2006-11-29 富士通株式会社 波長多重光検出装置
US6690884B1 (en) * 1999-02-19 2004-02-10 Corvis Corporation Optical transmission systems including error correction and protection apparatuses and methods
US6546028B1 (en) * 1999-08-10 2003-04-08 Coretek, Inc. Optical fiber wavelength reference device
JP2001168799A (ja) * 1999-12-08 2001-06-22 Nec Corp 光通信システム及びそれに用いる光中継器
JP2001196670A (ja) * 2000-01-12 2001-07-19 Oki Electric Ind Co Ltd 光増幅器
US6519081B2 (en) * 2000-04-13 2003-02-11 Corning Incorporated Method of operating a noise-compensating gain controller for an optical amplifier
US7130537B1 (en) * 2000-08-25 2006-10-31 Alcatel Safety shutdown system for a WDM fiber optic communications network
EP1229382B1 (fr) * 2000-09-07 2010-03-24 Fujitsu Limited Amplificateur optique a amplification raman
EP1868030B1 (fr) * 2000-09-07 2012-12-19 Fujitsu Ltd. Appareil d'amplification optique utilisant une amplification raman
US6498677B1 (en) * 2000-10-23 2002-12-24 Onetta, Inc. Optical amplifier systems with transient control
US6590700B1 (en) * 2002-02-11 2003-07-08 Nortel Networks Limited Adaptive optical amplifier control
US7042634B2 (en) * 2002-03-14 2006-05-09 Nippon Telegraph And Telephone Corporation Optical amplifier
US20040017603A1 (en) * 2002-07-29 2004-01-29 Paul Jay Optical amplifier controller
JP4084144B2 (ja) * 2002-09-10 2008-04-30 富士通株式会社 光増幅装置
GB0413017D0 (en) * 2004-06-10 2004-07-14 Bookham Technology Plc Optical amplifiers
JP4929664B2 (ja) * 2005-03-14 2012-05-09 富士通株式会社 光増幅器の制御装置、光増幅器の制御方法、光伝送装置、光増幅器、帯域単位利得等化器を用いた光増幅器及び帯域単位利得等化器を用いた波長多重伝送システム
JP4866625B2 (ja) * 2006-02-15 2012-02-01 ルネサスエレクトロニクス株式会社 半導体装置
US8937762B2 (en) 2010-04-20 2015-01-20 Fujitsu Limited Level control circuit, level control method, and level control system
US9059799B2 (en) * 2011-04-21 2015-06-16 Futurewei Technologies, Inc. Apparatus and method to calculate a noise figure of an optical amplifier for wavelength channels in a partial-fill scenario to account for channel loading
US11362755B2 (en) * 2018-08-31 2022-06-14 Nokia Solutions And Networks Oy Adaptive capacity optimization in optical transmission systems
EP4142185A1 (fr) * 2021-08-23 2023-03-01 Airbus (S.A.S.) Terminal et procédé de communication optique en espace libre

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2734778B2 (ja) * 1991-01-16 1998-04-02 日本電気株式会社 光増幅装置
JPH0575198A (ja) * 1991-09-18 1993-03-26 Toshiba Corp 光増幅装置
JP2550898B2 (ja) * 1993-11-30 1996-11-06 日本電気株式会社 光増幅装置
JP2778438B2 (ja) * 1993-12-27 1998-07-23 日本電気株式会社 光増幅装置と光増幅器設計方法と光中継伝送システム
JPH08265258A (ja) * 1995-03-20 1996-10-11 Fujitsu Ltd 光増幅中継器
JP2871547B2 (ja) * 1995-09-08 1999-03-17 日本電気株式会社 光スペクトルアナライザ装置および光増幅器の制御方法
JP2947136B2 (ja) * 1995-09-14 1999-09-13 日本電気株式会社 光増幅器
JP3363003B2 (ja) * 1995-10-03 2003-01-07 株式会社日立製作所 光増幅装置及び光増幅装置を用いた光伝送システム
JPH1051388A (ja) * 1996-08-01 1998-02-20 Nec Corp 光増幅装置
JP3006500B2 (ja) * 1996-08-01 2000-02-07 日本電気株式会社 波長多重光伝送用光増幅装置
JP3808580B2 (ja) * 1997-03-17 2006-08-16 富士通株式会社 光パワーモニタ及び該光パワーモニタを有する光増幅器

Also Published As

Publication number Publication date
ITMI972727A1 (it) 1999-06-09
FR2756983A1 (fr) 1998-06-12
US6008935A (en) 1999-12-28
IT1296852B1 (it) 1999-08-02

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Legal Events

Date Code Title Description
ST Notification of lapse