FR2738928B1 - Amplificateur optique - Google Patents

Amplificateur optique

Info

Publication number
FR2738928B1
FR2738928B1 FR9611257A FR9611257A FR2738928B1 FR 2738928 B1 FR2738928 B1 FR 2738928B1 FR 9611257 A FR9611257 A FR 9611257A FR 9611257 A FR9611257 A FR 9611257A FR 2738928 B1 FR2738928 B1 FR 2738928B1
Authority
FR
France
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 - Fee Related
Application number
FR9611257A
Other languages
English (en)
Other versions
FR2738928A1 (fr
Inventor
Masayuki Fujita
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 FR2738928A1 publication Critical patent/FR2738928A1/fr
Application granted granted Critical
Publication of FR2738928B1 publication Critical patent/FR2738928B1/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
    • H01S5/0687—Stabilising the frequency of the laser
    • 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
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1301—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers
    • H01S3/13013—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers by controlling the optical pumping
    • 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
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1305—Feedback control systems
    • 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
    • H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/50—Amplifier structures not provided for in groups H01S5/02 - H01S5/30

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Lasers (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Communication System (AREA)
FR9611257A 1995-09-14 1996-09-16 Amplificateur optique Expired - Fee Related FR2738928B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7236535A JP2947136B2 (ja) 1995-09-14 1995-09-14 光増幅器

Publications (2)

Publication Number Publication Date
FR2738928A1 FR2738928A1 (fr) 1997-03-21
FR2738928B1 true FR2738928B1 (fr) 1998-12-18

Family

ID=17002121

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9611257A Expired - Fee Related FR2738928B1 (fr) 1995-09-14 1996-09-16 Amplificateur optique

Country Status (4)

Country Link
US (1) US5706126A (fr)
JP (1) JP2947136B2 (fr)
FR (1) FR2738928B1 (fr)
IT (1) IT1284535B1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1051388A (ja) * 1996-08-01 1998-02-20 Nec Corp 光増幅装置
US6008935A (en) * 1996-12-10 1999-12-28 Nec Corporation Optical amplifier and optical amplifier gain control method and apparatus
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
KR100416439B1 (ko) * 1998-11-24 2004-03-30 삼성전자주식회사 이득평탄도를제어하는광섬유증폭기
US6198571B1 (en) * 1999-03-31 2001-03-06 Afc Technologies Inc. Computerized intelligent optical amplifier for multi-channel optical networks
GB2360628A (en) * 2000-03-25 2001-09-26 Marconi Comm Ltd A stabilised radiation source
JP3492316B2 (ja) * 2000-09-22 2004-02-03 住友ベークライト株式会社 絶縁膜用材料、絶縁膜用コーティングワニス及びこれらを用いた絶縁膜並びに半導体装置
GB2389957A (en) * 2002-06-19 2003-12-24 Kamelian Ltd Automatic power control of a semiconductor optical amplifier
KR100526560B1 (ko) * 2002-12-07 2005-11-03 삼성전자주식회사 자동파워조절 기능을 갖는 광섬유 증폭기 및 그 자동 파워조절 방법
US8149926B2 (en) * 2005-04-11 2012-04-03 Intel Corporation Generating edge masks for a deblocking filter
JP4615376B2 (ja) * 2005-06-02 2011-01-19 日本電信電話株式会社 遠隔励起光増幅伝送システム
US8045861B1 (en) * 2006-11-17 2011-10-25 Hrl Laboratories, Llc Method and system for spectral suppression of noise in a communication signal
JP2009065180A (ja) * 2008-10-06 2009-03-26 Fujitsu Ltd 光モニタ回路
JP5470859B2 (ja) 2009-01-09 2014-04-16 富士通株式会社 光増幅器、制御回路、および光増幅器の制御方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2230912B (en) * 1989-04-22 1993-10-20 Stc Plc Optical amplifier gain control
JPH0575198A (ja) * 1991-09-18 1993-03-26 Toshiba Corp 光増幅装置
US5343320A (en) * 1992-08-03 1994-08-30 At&T Bell Laboratories Pump laser control circuit for an optical transmission system
US5471334A (en) * 1992-10-21 1995-11-28 Nippon Telegraph And Telephone Corporation Method and apparatus for monitoring noise figure of optical amplifier
JP2793469B2 (ja) * 1993-05-26 1998-09-03 日本電気 株式会社 光直接増幅器の監視制御信号受信方式
JP3012760B2 (ja) * 1993-10-25 2000-02-28 三菱電機株式会社 光増幅器及び分配システム及びローカル・エリア・ネットワーク及び利得制御方法
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
JP2694803B2 (ja) * 1993-12-28 1997-12-24 日本電気株式会社 光半導体レーザ装置の波長安定化方式
FR2715017B1 (fr) * 1994-01-13 1996-02-16 Alcatel Nv Procédé de transmission et liaison optique à multiplexage spectral avec amplification.
FR2714982B1 (fr) * 1994-01-13 1996-02-02 Alcatel Nv Amplificateur optique régulé.

Also Published As

Publication number Publication date
ITMI961897A1 (it) 1998-03-13
IT1284535B1 (it) 1998-05-21
JP2947136B2 (ja) 1999-09-13
FR2738928A1 (fr) 1997-03-21
US5706126A (en) 1998-01-06
JPH0983054A (ja) 1997-03-28

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Legal Events

Date Code Title Description
ST Notification of lapse