DE602004006007D1 - Verfahren zur Steuerung der Verstärkung eines Ramanverstärkers - Google Patents

Verfahren zur Steuerung der Verstärkung eines Ramanverstärkers

Info

Publication number
DE602004006007D1
DE602004006007D1 DE602004006007T DE602004006007T DE602004006007D1 DE 602004006007 D1 DE602004006007 D1 DE 602004006007D1 DE 602004006007 T DE602004006007 T DE 602004006007T DE 602004006007 T DE602004006007 T DE 602004006007T DE 602004006007 D1 DE602004006007 D1 DE 602004006007D1
Authority
DE
Germany
Prior art keywords
gain
raman amplifier
channels
controlling
power
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.)
Active
Application number
DE602004006007T
Other languages
English (en)
Other versions
DE602004006007T2 (de
Inventor
Florence Leplingard
Catherine Martinelli
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel Lucent SAS
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 Alcatel Lucent SAS filed Critical Alcatel Lucent SAS
Publication of DE602004006007D1 publication Critical patent/DE602004006007D1/de
Application granted granted Critical
Publication of DE602004006007T2 publication Critical patent/DE602004006007T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04B10/2912—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
    • 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
    • H01S3/30—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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • H04J14/02216—Power control, e.g. to keep the total optical power constant by gain equalization
    • 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
    • H01S3/094011—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre with bidirectional pumping, i.e. with injection of the pump light from both two ends of the 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
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1305—Feedback control systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
  • Amplifiers (AREA)
DE602004006007T 2004-12-23 2004-12-23 Verfahren zur Steuerung der Verstärkung eines Ramanverstärkers Active DE602004006007T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04293122A EP1675283B1 (de) 2004-12-23 2004-12-23 Verfahren zur Steuerung der Verstärkung eines Ramanverstärkers

Publications (2)

Publication Number Publication Date
DE602004006007D1 true DE602004006007D1 (de) 2007-05-31
DE602004006007T2 DE602004006007T2 (de) 2007-12-20

Family

ID=34931655

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004006007T Active DE602004006007T2 (de) 2004-12-23 2004-12-23 Verfahren zur Steuerung der Verstärkung eines Ramanverstärkers

Country Status (5)

Country Link
US (1) US20060164716A1 (de)
EP (1) EP1675283B1 (de)
CN (1) CN1794615A (de)
AT (1) ATE360292T1 (de)
DE (1) DE602004006007T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101802571A (zh) * 2007-09-11 2010-08-11 皇家飞利浦电子股份有限公司 环境光补偿传感器和过程
JP5211800B2 (ja) * 2008-03-28 2013-06-12 富士通株式会社 光通信システム及び同システムにおける光伝送路の測定方法並びに送信局及び受信局
CN102130719B (zh) * 2010-11-18 2014-10-08 华为技术有限公司 一种估算放大器的各波长输出光功率的方法和装置
CN102790643B (zh) * 2011-05-18 2015-04-29 华为技术有限公司 参数仿真处理方法和装置
CN102332954B (zh) * 2011-09-29 2014-09-17 电子科技大学 喇曼光纤放大系统及控制方法
US9300110B2 (en) 2013-09-26 2016-03-29 Cisco Technology, Inc. Multi-wavelength distributed raman amplification set-up
JP6312927B2 (ja) * 2014-05-14 2018-04-18 ▲華▼▲為▼▲海▼洋▲網▼▲絡▼有限公司 光中継器及び光ファイバー通信システム
CN114499679B (zh) * 2022-01-25 2023-08-25 上海交通大学 多波段拉曼放大器设计方法及系统

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100328291B1 (ko) * 1998-07-14 2002-08-08 노베라 옵틱스 인코포레이티드 능동제어된파장별이득을갖는광증폭기및변화가능한출력스펙트럼을갖는광섬유광원
US6344922B1 (en) * 1998-07-21 2002-02-05 Corvis Corporation Optical signal varying devices
US6366728B1 (en) * 2000-01-28 2002-04-02 Mci Worldcom, Inc. Composite optical fiber transmission line method
JP4821037B2 (ja) * 2000-08-25 2011-11-24 富士通株式会社 ラマン増幅を用いた光増幅器およびラマン励起光源
US6424455B1 (en) * 2000-10-03 2002-07-23 Tycom (Us) Inc. Wide bandwidth fiber raman amplifier
US6452716B1 (en) * 2000-10-05 2002-09-17 Nortel Networks Limited Amplitude modulation of a pump laser signal in a distributed raman amplifier
US6441950B1 (en) * 2000-11-03 2002-08-27 Onetta, Inc. Distributed raman amplifier systems with transient control
JP2003035919A (ja) * 2000-11-07 2003-02-07 Furukawa Electric Co Ltd:The 光増幅装置および光伝送システム
US6542287B1 (en) * 2000-12-12 2003-04-01 Onetta, Inc. Optical amplifier systems with transient control
US6417958B1 (en) * 2001-01-24 2002-07-09 Lucent Technologies Inc. WDM optical communication system using co-propagating Raman amplification
DE10111491A1 (de) * 2001-03-09 2002-09-19 Siemens Ag Pumpquelle mit jeweils mehreren Pumplasern zur Raman-Verstärkung eines WDM-Signals mit minimierter Vierwellenmischung
DE10111969B4 (de) * 2001-03-13 2004-04-15 Siemens Ag Multiplexer zur Realisierung von nicht-äquidistanten Abständen zwischen den Pumpenwellenlängen in Breitband Raman Verstärkern
US6734954B2 (en) * 2001-04-04 2004-05-11 Nortel Networks Limited Method and system for automatic Raman gain control
US6839523B1 (en) * 2001-05-11 2005-01-04 Nortel Networks Limited Monitoring distributed gain in an optical transmission system
US20030151799A1 (en) * 2001-10-11 2003-08-14 Innovance, Inc. Gain control in wavelength switched optical networks
US6768577B2 (en) * 2002-03-15 2004-07-27 Fitel Usa Corp. Tunable multimode laser diode module, tunable multimode wavelength division multiplex raman pump, and amplifier, and a system, method, and computer program product for controlling tunable multimode laser diodes, raman pumps, and raman amplifiers
US6985284B2 (en) * 2002-11-12 2006-01-10 Lucent Technologies Inc. Method, apparatus and system for controlling power transients in a Raman-amplified optical transmission system
JP4046602B2 (ja) * 2002-12-06 2008-02-13 三菱電機株式会社 ラマン増幅器および光中継伝送システム
US6859306B2 (en) * 2003-02-04 2005-02-22 Lucent Technologies Inc. Method, apparatus and system for reducing gain ripple in a raman-amplified WDM system
EP1469621B1 (de) * 2003-04-14 2005-09-07 Alcatel Optischer Raman-Verstärker und Verfahren zur Pumpmodulation
US7038843B2 (en) * 2003-08-21 2006-05-02 Lucent Technologies Inc. Method and system for reducing Raman gain tilt error

Also Published As

Publication number Publication date
DE602004006007T2 (de) 2007-12-20
CN1794615A (zh) 2006-06-28
US20060164716A1 (en) 2006-07-27
ATE360292T1 (de) 2007-05-15
EP1675283B1 (de) 2007-04-18
EP1675283A1 (de) 2006-06-28

Similar Documents

Publication Publication Date Title
TW200510709A (en) Refractive index system monitor and control for immersion lithography
TWI266042B (en) Method to determine the value of process parameters based on scatterometry data
EP1372272A3 (de) Verfahren zur optische Verstärkungsregelung
DK1702559T3 (da) Fremgangmsåde og system til at analysere glucosemetabolisme
ATE360292T1 (de) Verfahren zur steuerung der verstärkung eines ramanverstärkers
ATE507487T1 (de) Verfahren und system zur bestimmung eines orts unter verwendung mehrerer gewählter anfangsortsschätzungen
WO2008063414A3 (en) Gene expression profiling for identification, monitoring, and treatment of colorectal cancer
ES2349107T8 (es) Método analítico e instrumento.
DE60321898D1 (de) Verstärkungsregelung für ein kommunikationsgerät
RU2003117475A (ru) Способ автоматического управления для поддержания оптимального уровня скольжения пневматической шины для ее функционирования при максимальном коэффициенте сцепления с дорогой
DK1917725T3 (da) Fremgangsmåder og anordninger til vurdering af støjstigning
RU2009136174A (ru) Способ изготовления трехмерного объекта
WO2005048644A3 (en) System and method for controlling audio output
AU2003286334A1 (en) Log permeability model calibration using reservoir fluid flow measurements
TW200632897A (en) Methods and apparatus to compensate for power output variations over time
JP2008072575A5 (de)
ATE532283T1 (de) Verfahren und vorrichtung zur kanalangepassten signalübertragung in optischen netzen
ATE515083T1 (de) Verfahren und system zur steuerung der wellenlängen von vielfachlasern
WO2007064643A3 (en) Data age compensation with avalanche photodiode
ATE437358T1 (de) Verfahren zur bestimmung der isomerenzusammensetzung bei isocyanat- herstellprozessen
ATE460771T1 (de) Thermomanagement-verfahren und system für verstärker
EP1398894A3 (de) WDM-Lichtverstärker zur Detektion der Veränderung der Anzahl von wellenlängenmultiplexierten Signalen
DE502005007944D1 (de) Verfahren und vorrichtung zur bewertung der güte eines signals
WO2003085083A3 (en) Liver necrosis predictive genes
ATE487125T1 (de) Verfahren zur kreuzinterferenzkorrektur für korrelationsspektroskopie

Legal Events

Date Code Title Description
8364 No opposition during term of opposition