ATE212482T1 - Optischer verstärker - Google Patents

Optischer verstärker

Info

Publication number
ATE212482T1
ATE212482T1 AT94113295T AT94113295T ATE212482T1 AT E212482 T1 ATE212482 T1 AT E212482T1 AT 94113295 T AT94113295 T AT 94113295T AT 94113295 T AT94113295 T AT 94113295T AT E212482 T1 ATE212482 T1 AT E212482T1
Authority
AT
Austria
Prior art keywords
signal
optical
input
amplification
output
Prior art date
Application number
AT94113295T
Other languages
English (en)
Inventor
John M Dugan
Kenneth Y Maxham
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of ATE212482T1 publication Critical patent/ATE212482T1/de

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
    • 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
    • H01S3/09—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
    • 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
    • H01S5/06—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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
AT94113295T 1993-09-21 1994-08-25 Optischer verstärker ATE212482T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/124,730 US5374973A (en) 1993-09-21 1993-09-21 Optical amplifier

Publications (1)

Publication Number Publication Date
ATE212482T1 true ATE212482T1 (de) 2002-02-15

Family

ID=22416525

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94113295T ATE212482T1 (de) 1993-09-21 1994-08-25 Optischer verstärker

Country Status (5)

Country Link
US (1) US5374973A (de)
EP (1) EP0644637B1 (de)
AT (1) ATE212482T1 (de)
CA (1) CA2127486C (de)
DE (1) DE69429698T2 (de)

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DE4310292A1 (de) * 1993-03-30 1994-10-06 Sel Alcatel Ag Faseroptischer Verstärker mit einer Vorrichtung zu Überwachung der Eingangsleistung
JPH0816761B2 (ja) * 1993-04-13 1996-02-21 日本電気株式会社 光増幅器制御回路
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
FR2714982B1 (fr) * 1994-01-13 1996-02-02 Alcatel Nv Amplificateur optique régulé.
US5495362A (en) * 1994-04-13 1996-02-27 Ando Electric Co., Ltd. Photoperiodic circuit amplification control apparatus
JPH0837497A (ja) * 1994-05-20 1996-02-06 Fujitsu Ltd 光増幅器及び光送信装置
JP3353047B2 (ja) * 1994-05-25 2002-12-03 安藤電気株式会社 光増幅器
US5513029A (en) * 1994-06-16 1996-04-30 Northern Telecom Limited Method and apparatus for monitoring performance of optical transmission systems
JP3295533B2 (ja) * 1994-06-30 2002-06-24 富士通株式会社 光増幅器
JP3442897B2 (ja) * 1995-03-08 2003-09-02 Ｋｄｄｉ株式会社 範囲別利得制御光増幅器及び範囲別光増幅器利得制御方法及び光受信器及び光中継器
JP3618008B2 (ja) * 1995-03-17 2005-02-09 富士通株式会社 光増幅器
US5539570A (en) * 1995-03-21 1996-07-23 Nec Corporation Monitoring state of optical elements in an optical amplifier
JPH08304856A (ja) * 1995-05-01 1996-11-22 Ando Electric Co Ltd 光ファイバ増幅器
JP3512264B2 (ja) * 1995-05-08 2004-03-29 富士通株式会社 光増幅装置
JP2800715B2 (ja) * 1995-05-12 1998-09-21 日本電気株式会社 光ファイバ増幅器
JP2687933B2 (ja) * 1995-06-09 1997-12-08 日本電気株式会社 光直接増幅器
DE19532485A1 (de) * 1995-09-02 1997-03-06 Bosch Gmbh Robert Einrichtung mit optischem Faserverstärker
DE19547603A1 (de) * 1995-12-20 1997-06-26 Sel Alcatel Ag Optische Verstärkereinrichtung
CA2196364C (en) * 1996-02-23 2000-11-21 Atul Kumar Srivastava Method of fast gain control in wdm optical networks
CA2172873C (en) * 1996-03-28 2002-03-12 Kim Byron Roberts Method of determining optical amplifier failures
DE69732328T2 (de) * 1996-09-06 2005-06-16 Nortel Networks Ltd., St. Laurent Leistungsregelung eines optischen Elements
US5907420A (en) * 1996-09-13 1999-05-25 Lucent Technologies, Inc. System and method for mitigating cross-saturation in optically amplified networks
US5923462A (en) * 1997-03-28 1999-07-13 Lucent Technologies Inc. Dynamic gain control system for optical amplifier and method thereof
WO1998052305A1 (en) * 1997-05-16 1998-11-19 Scientific-Atlanta, Inc. Redundant optical power supply for remote pumping of fiber optic gain modules
US6160568A (en) * 1997-05-27 2000-12-12 Sdl, Inc. Laser marking system and method of energy control
SE9703000D0 (sv) 1997-10-21 1997-08-20 Ericsson Telefon Ab L M Optical amplifier control
SE514253C2 (sv) 1998-07-17 2001-01-29 Ericsson Telefon Ab L M Förbättrad styrning av optiska fiberförstärkare
DE19840926B4 (de) * 1998-09-08 2013-07-11 Hell Gravure Systems Gmbh & Co. Kg Anordnung zur Materialbearbeitung mittels Laserstrahlen und deren Verwendung
AU769509B2 (en) * 1999-07-09 2004-01-29 Sumitomo Electric Industries, Ltd. Optical amplifier and optical amplifying method
WO2001067659A1 (en) * 2000-03-06 2001-09-13 Lightchip, Inc. Optical power managed network node for processing dense wavelength division multiplexed optical signals
US6449068B1 (en) * 2000-03-06 2002-09-10 Lightchip, Inc. Optical power managed network node for processing dense wavelength division multiplexed optical signals
US6980740B1 (en) * 2000-06-22 2005-12-27 Lucent Technologies Inc. Apparatus for detecting raman gain in an optical transmission system
US6724524B1 (en) * 2000-08-18 2004-04-20 Corning Incorporated Gain control in Raman amplifiers
US6810173B2 (en) * 2000-09-05 2004-10-26 Avanex Corporation Pump power monitor system and method for gain control of optical amplifier
US6498677B1 (en) * 2000-10-23 2002-12-24 Onetta, Inc. Optical amplifier systems with transient control
US6542287B1 (en) * 2000-12-12 2003-04-01 Onetta, Inc. Optical amplifier systems with transient control
GB0108325D0 (en) * 2001-04-03 2001-05-23 Res Ventures Group Output power control of optical amplifier
US6583926B1 (en) * 2001-08-21 2003-06-24 Onetta, Inc. Optical amplifiers with age-based pump current limiters
US20030067670A1 (en) * 2001-10-04 2003-04-10 Lacra Pavel Dynamic optical spectral control scheme for optical amplifier sites
US20030072516A1 (en) * 2001-10-11 2003-04-17 International Business Machines Corporation Optical device having an adjustable gain and a method of dynamically adjusting the gain of an optical device
US20040017603A1 (en) * 2002-07-29 2004-01-29 Paul Jay Optical amplifier controller
JP4222855B2 (ja) * 2003-03-05 2009-02-12 富士通株式会社 光増幅装置
US7215891B1 (en) 2003-06-06 2007-05-08 Jds Uniphase Corporation Integrated driving, receiving, controlling, and monitoring for optical transceivers
CN1304899C (zh) * 2003-09-15 2007-03-14 中兴通讯股份有限公司 一种实现在线光纤拉曼放大器增益自动控制的装置和方法
JP5055983B2 (ja) * 2006-11-30 2012-10-24 富士通株式会社 光増幅装置
CN101865960A (zh) 2010-06-04 2010-10-20 中兴通讯股份有限公司 一种设备能效性能监测方法和装置
EP2930800B1 (de) * 2012-12-05 2020-02-19 Mitsubishi Electric Corporation Optischer verstärker, optisches wellenlängenmultiplex-übertragungssystem und programm
JP6807811B2 (ja) * 2017-07-19 2021-01-06 株式会社フジクラ レーザ装置、レーザ装置の光源の劣化度推定方法
US11411365B2 (en) * 2020-01-17 2022-08-09 Ciena Corporation System-level optical amplifier efficiency performance metric
CN115548845A (zh) * 2022-11-02 2022-12-30 深圳市汉威激光设备有限公司 一种输出功率不衰减的激光器及其控制方法
CN117074836B (zh) * 2023-10-12 2024-03-12 成都明夷电子科技有限公司 一种激光器检测方法、检测器、电子设备及存储介质

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JP2539358B2 (ja) * 1985-03-20 1996-10-02 オリンパス光学工業株式会社 光学式記録再生装置における半導体レ―ザ劣化判別装置
JPH02184828A (ja) * 1989-01-12 1990-07-19 Toshiba Corp 半導体光増幅器
JP2734778B2 (ja) * 1991-01-16 1998-04-02 日本電気株式会社 光増幅装置
US5268786A (en) * 1991-03-15 1993-12-07 Mitsubishi Denki Kabushiki Kaisha Optical fiber amplifier and its amplification method
JP2648643B2 (ja) * 1991-06-03 1997-09-03 日本電信電話株式会社 光増幅器
JPH07114300B2 (ja) * 1991-06-27 1995-12-06 関西電力株式会社 光ファイバ増幅器
US5172365A (en) * 1991-09-11 1992-12-15 International Business Machines Corporation System for predicting laser end-of life from the power vs. current curve of the diode
JPH05235458A (ja) * 1992-02-19 1993-09-10 Nec Corp 光ファイバ増幅装置

Also Published As

Publication number Publication date
DE69429698T2 (de) 2002-08-14
DE69429698D1 (de) 2002-03-14
US5374973A (en) 1994-12-20
CA2127486C (en) 1999-06-29
EP0644637A3 (de) 1996-05-08
EP0644637B1 (de) 2002-01-23
CA2127486A1 (en) 1995-03-22
EP0644637A2 (de) 1995-03-22

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties