AU2001268557A1 - Gain control in raman amplifiers - Google Patents

Gain control in raman amplifiers

Info

Publication number
AU2001268557A1
AU2001268557A1 AU2001268557A AU6855701A AU2001268557A1 AU 2001268557 A1 AU2001268557 A1 AU 2001268557A1 AU 2001268557 A AU2001268557 A AU 2001268557A AU 6855701 A AU6855701 A AU 6855701A AU 2001268557 A1 AU2001268557 A1 AU 2001268557A1
Authority
AU
Australia
Prior art keywords
gain control
raman amplifiers
raman
amplifiers
gain
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.)
Abandoned
Application number
AU2001268557A
Inventor
Alan F. Evans
Pavle Gavrilovic
Stuart Gray
Ashiqur Rahman
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.)
Corning Inc
Original Assignee
Corning 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 Corning Inc filed Critical Corning Inc
Publication of AU2001268557A1 publication Critical patent/AU2001268557A1/en
Abandoned 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
    • H04B10/2942—Signal power control in a multiwavelength system, e.g. gain equalisation using automatic gain control [AGC]
    • 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
    • H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
    • H01S3/1001—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating 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
    • H01S3/1301—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
    • H01S3/30—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
    • H01S3/302—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects in an optical fibre
    • 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
    • H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
    • H04B10/2916—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing using Raman or Brillouin 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
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0078—Frequency filtering
    • 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
    • H01S3/09—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
    • 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
    • H01S3/094096—Multi-wavelength 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
    • H01S3/10069—Memorized or pre-programmed characteristics, e.g. look-up table [LUT]
AU2001268557A 2000-08-18 2001-06-19 Gain control in raman amplifiers Abandoned AU2001268557A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09641579 2000-08-18
US09/641,579 US6724524B1 (en) 2000-08-18 2000-08-18 Gain control in Raman amplifiers
PCT/US2001/019529 WO2002017520A1 (en) 2000-08-18 2001-06-19 Gain control in raman amplifiers

Publications (1)

Publication Number Publication Date
AU2001268557A1 true AU2001268557A1 (en) 2002-03-04

Family

ID=24572973

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001268557A Abandoned AU2001268557A1 (en) 2000-08-18 2001-06-19 Gain control in raman amplifiers

Country Status (8)

Country Link
US (1) US6724524B1 (en)
EP (1) EP1310055A1 (en)
JP (1) JP2004519702A (en)
CN (1) CN1531792A (en)
AU (1) AU2001268557A1 (en)
CA (1) CA2423401A1 (en)
TW (1) TW515150B (en)
WO (1) WO2002017520A1 (en)

Families Citing this family (20)

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US6587261B1 (en) * 1999-05-24 2003-07-01 Corvis Corporation Optical transmission systems including optical amplifiers and methods of use therein
EP1215527B1 (en) * 2000-08-30 2006-10-04 Fujitsu Limited Light amplifier using raman amplification and control method thereof
GB0129717D0 (en) 2001-12-12 2002-01-30 Marconi Comm Ltd A method and an apparatus for signal transmission
US20040208586A1 (en) * 2002-03-27 2004-10-21 Susumu Kinoshita System and method for amplifying signals in an optical network
US7440164B2 (en) * 2002-06-04 2008-10-21 Pivotal Decisions Llc Apparatus and method for Raman gain spectral control
US7924496B2 (en) * 2002-06-04 2011-04-12 Pivotal Decisions Llc Apparatus and method for Raman gain control
ITMI20022079A1 (en) 2002-10-02 2004-04-03 Marconi Comm Ltd RAMAN AMPLIFIER.
CN1317599C (en) * 2002-10-15 2007-05-23 中兴通讯股份有限公司 Gain controlling method for reversed distributed multipumping Raman amplifier
EP1469622B1 (en) * 2003-04-16 2005-09-07 Alcatel Semiconductor optical amplifier based Raman pump
US7916384B2 (en) * 2006-05-02 2011-03-29 At&T Intellectual Property Ii, L.P. Feedback dynamic gain control for a WDM system employing multi wavelength pumped Raman fiber amplifiers
US7924497B2 (en) * 2006-09-21 2011-04-12 Tyco Electronics Subsea Communications Llc System and method for gain equalization and optical communication system incorporating the same
WO2011026526A1 (en) * 2009-09-07 2011-03-10 Nokia Siemens Networks Oy Optical fiber amplifier with improved transient performance
US8643941B2 (en) * 2009-12-14 2014-02-04 Finisar Israel Ltd. Automatic measurement and gain control of distributed Raman amplifiers
US8854726B2 (en) * 2012-03-13 2014-10-07 Adva Optical Networking Se Method for controlling signal gain of a Raman amplifier
US8817245B2 (en) * 2012-08-23 2014-08-26 Ciena Corporation High-powered optical module safety systems and methods
US8885248B2 (en) 2012-10-17 2014-11-11 Ciena Corporation Raman amplifier gain compression systems and methods based on signal power monitoring
CN106936061B (en) * 2015-12-31 2019-07-05 福州高意通讯有限公司 A kind of raman amplifier of automatic gain monitoring and adjustment
CN108964612B (en) * 2018-06-25 2022-02-22 中国电子科技集团公司第四十一研究所 Low-noise distributed amplitude modulation circuit and modulation method, and microwave signal generator
CN113764966A (en) * 2021-08-24 2021-12-07 武汉光迅科技股份有限公司 Raman amplifier, method and apparatus for controlling the same, and storage medium
CN117293642A (en) * 2023-11-27 2023-12-26 广州芯泰通信技术有限公司 Plug-in optical amplifier module for automatic switching of DCI data center

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4654520A (en) * 1981-08-24 1987-03-31 Griffiths Richard W Structural monitoring system using fiber optics
US5096277A (en) * 1982-08-06 1992-03-17 Kleinerman Marcos Y Remote measurement of physical variables with fiber optic systems
JPS6196477A (en) * 1984-10-18 1986-05-15 Fujikura Ltd Method for inspecting accident point of cable
GB2170593B (en) * 1985-02-01 1988-09-14 Central Electr Generat Board Temperature measurement
JPH0727149B2 (en) * 1986-11-04 1995-03-29 沖電気工業株式会社 Optical coupler
US4952057A (en) * 1989-05-03 1990-08-28 The United States Of America As Represented By The Secretary Of The Navy Optical fiber backscatter signature generator (OFBSG)
US5028775A (en) * 1989-06-30 1991-07-02 Anritsu Corporation Optical time domain reflectometer using optical element with three control modes of oscillation, attenuation and amplification
US5173957A (en) * 1991-09-12 1992-12-22 At&T Bell Laboratories Pump redundancy for optical amplifiers
US5374973A (en) * 1993-09-21 1994-12-20 Alcatel Network Systems, Inc. Optical amplifier
US5966206A (en) * 1996-10-10 1999-10-12 Tyco Submarine Systems Ltd. Interlocked high power fiber system using OTDR
US6111676A (en) * 1998-02-26 2000-08-29 Nortel Networks Corporation Wavelength specific optical reflection meter/locator in signatured wavelength division multiplexed systems
US6317255B1 (en) 1998-04-28 2001-11-13 Lucent Technologies Inc. Method and apparatus for controlling optical signal power in response to faults in an optical fiber path
SE514253C2 (en) 1998-07-17 2001-01-29 Ericsson Telefon Ab L M Improved control of optical fiber amplifiers
WO2000005622A1 (en) 1998-07-23 2000-02-03 The Furukawa Electric Co., Ltd. Raman amplifier, optical repeater, and raman amplification method
US6151160A (en) * 1998-10-05 2000-11-21 Tyco Submarine Systems Ltd. Broadband Raman pre-amplifier for wavelength division multiplexed optical communication systems

Also Published As

Publication number Publication date
CN1531792A (en) 2004-09-22
US6724524B1 (en) 2004-04-20
WO2002017520A1 (en) 2002-02-28
EP1310055A1 (en) 2003-05-14
TW515150B (en) 2002-12-21
JP2004519702A (en) 2004-07-02
CA2423401A1 (en) 2002-02-28

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