ATE225584T1 - Übertragungsverfahren und optische verbindung mit spektraler multiplexierung und verstärkung - Google Patents

Übertragungsverfahren und optische verbindung mit spektraler multiplexierung und verstärkung

Info

Publication number
ATE225584T1
ATE225584T1 AT95400053T AT95400053T ATE225584T1 AT E225584 T1 ATE225584 T1 AT E225584T1 AT 95400053 T AT95400053 T AT 95400053T AT 95400053 T AT95400053 T AT 95400053T AT E225584 T1 ATE225584 T1 AT E225584T1
Authority
AT
Austria
Prior art keywords
carrier waves
power
gain
amplifier
amplification
Prior art date
Application number
AT95400053T
Other languages
English (en)
Inventor
Dominique Bayart
Bertrand Clesca
Jose Chesnoy
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 ATE225584T1 publication Critical patent/ATE225584T1/de

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
    • H04B10/296—Transient power control, e.g. due to channel add/drop or rapid fluctuations in the input power
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
  • Semiconductor Lasers (AREA)
AT95400053T 1994-01-13 1995-01-11 Übertragungsverfahren und optische verbindung mit spektraler multiplexierung und verstärkung ATE225584T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9400320A FR2715017B1 (fr) 1994-01-13 1994-01-13 Procédé de transmission et liaison optique à multiplexage spectral avec amplification.

Publications (1)

Publication Number Publication Date
ATE225584T1 true ATE225584T1 (de) 2002-10-15

Family

ID=9459002

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95400053T ATE225584T1 (de) 1994-01-13 1995-01-11 Übertragungsverfahren und optische verbindung mit spektraler multiplexierung und verstärkung

Country Status (7)

Country Link
US (1) US5510926A (de)
EP (1) EP0663738B1 (de)
JP (1) JPH07221737A (de)
AT (1) ATE225584T1 (de)
CA (1) CA2139813A1 (de)
DE (1) DE69528400D1 (de)
FR (1) FR2715017B1 (de)

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JP3739453B2 (ja) * 1995-11-29 2006-01-25 富士通株式会社 光増幅器及び該光増幅器を備えた光通信システム
JP3422398B2 (ja) * 1995-12-07 2003-06-30 富士通株式会社 重心波長モニタ方法及び装置、光増幅器並びに光通信システム
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JP2910667B2 (ja) * 1996-04-09 1999-06-23 日本電気株式会社 線形中継光増幅伝送装置
JP2904114B2 (ja) * 1996-04-23 1999-06-14 日本電気株式会社 光増幅装置とこれを用いた波長多重光伝送装置
US6025947A (en) * 1996-05-02 2000-02-15 Fujitsu Limited Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
JPH09321701A (ja) * 1996-05-31 1997-12-12 Fujitsu Ltd 光通信システム及び光増幅器
US6369938B1 (en) * 1996-05-28 2002-04-09 Fujitsu Limited Multi-wavelength light amplifier
JPH09326770A (ja) * 1996-06-06 1997-12-16 Nec Corp 波長分割多重伝送システムに用いられる線形中継器
JP2904131B2 (ja) * 1996-07-04 1999-06-14 日本電気株式会社 波長多重光増幅装置と波長多重光伝送装置
KR980013060A (ko) * 1996-07-15 1998-04-30 김광호 펌프파워를 분리하여 양방향 여기시켜 전송광을 증폭하는 광섬유 증폭장치
US6175436B1 (en) * 1996-07-30 2001-01-16 Tellium, Inc. Automatic feedback gain control for multiple channels in a doped optical fiber amplifier
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
US5907420A (en) * 1996-09-13 1999-05-25 Lucent Technologies, Inc. System and method for mitigating cross-saturation in optically amplified networks
US6031647A (en) * 1996-10-23 2000-02-29 Nortel Networks Corporation Stable power control for optical transmission systems
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JP3860278B2 (ja) * 1997-03-13 2006-12-20 富士通株式会社 遠隔励起方式の波長多重光伝送システム
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DE69838127T2 (de) 1998-01-27 2008-05-15 Lucent Technologies Inc. Verfahren und Vorrichtung zur Steuerung der optischen Verstärkung in einer optischen Wellenlängenmultiplexübertragung
CN1255259A (zh) 1998-02-06 2000-05-31 富士通株式会社 光放大器,用于光放器中的激励光源控制方法,和光放大器控制方法
US6151336A (en) * 1998-02-11 2000-11-21 Sorrento Networks, Inc. Time division multiplexing expansion subsystem
US6441955B1 (en) 1998-02-27 2002-08-27 Fujitsu Limited Light wavelength-multiplexing systems
US6496300B2 (en) 1998-02-27 2002-12-17 Fujitsu Limited Optical amplifier
US6603596B2 (en) * 1998-03-19 2003-08-05 Fujitsu Limited Gain and signal level adjustments of cascaded optical amplifiers
SE522622C2 (sv) 1998-04-01 2004-02-24 Ericsson Telefon Ab L M Optisk fiberförstärkare med styrd förstärkning
US6400478B1 (en) 1998-04-02 2002-06-04 Sorrento Networks, Inc. Wavelength-division-multiplexed optical transmission system with expanded bidirectional transmission capacity over a single fiber
US6298103B1 (en) 1998-06-16 2001-10-02 Sorrento Networks Corporation Flexible clock and data recovery module for a DWDM optical communication system with multiple clock rates
JP3802992B2 (ja) * 1999-02-08 2006-08-02 富士通株式会社 波長多重光通信システム
EP1130818A1 (de) * 2000-02-29 2001-09-05 Telefonaktiebolaget Lm Ericsson Optisches Kommunikationssystem
US6961522B1 (en) 2000-11-22 2005-11-01 Cisco Technology, Inc. Automatic raman gain and tilt control for ultra-long-distance dense WDM optical communication system
US6515796B2 (en) * 2001-03-20 2003-02-04 Telcordia Technologies, Inc. Saturated amplifier generating burst support signal
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JP4603361B2 (ja) * 2002-11-01 2010-12-22 富士通株式会社 光増幅器の制御装置
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JP2707892B2 (ja) * 1991-10-18 1998-02-04 日本電気株式会社 光波長分割多重方式
US5276543A (en) * 1991-11-22 1994-01-04 Gte Laboratories Incorporated Optical signal equalizer for wavelength division multiplexed optical fiber systems
GB2265059B (en) * 1992-03-04 1995-07-26 Northern Telecom Ltd Optical regenerators

Also Published As

Publication number Publication date
CA2139813A1 (fr) 1995-07-14
FR2715017A1 (fr) 1995-07-13
JPH07221737A (ja) 1995-08-18
EP0663738B1 (de) 2002-10-02
US5510926A (en) 1996-04-23
FR2715017B1 (fr) 1996-02-16
EP0663738A1 (de) 1995-07-19
DE69528400D1 (de) 2002-11-07

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