DE69423994D1 - Übertragungssystem und -verfahren mit optischen Verstärkern - Google Patents

Übertragungssystem und -verfahren mit optischen Verstärkern

Info

Publication number
DE69423994D1
DE69423994D1 DE69423994T DE69423994T DE69423994D1 DE 69423994 D1 DE69423994 D1 DE 69423994D1 DE 69423994 T DE69423994 T DE 69423994T DE 69423994 T DE69423994 T DE 69423994T DE 69423994 D1 DE69423994 D1 DE 69423994D1
Authority
DE
Germany
Prior art keywords
transmission system
optical amplifiers
amplifiers
optical
transmission
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
DE69423994T
Other languages
English (en)
Other versions
DE69423994T2 (de
Inventor
Paul Anthony Kirkby
Richard Edward Epworth
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.)
Nortel Networks Corp
Original Assignee
Nortel Networks 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 Nortel Networks Corp filed Critical Nortel Networks Corp
Application granted granted Critical
Publication of DE69423994D1 publication Critical patent/DE69423994D1/de
Publication of DE69423994T2 publication Critical patent/DE69423994T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B10/2912—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
    • H04B10/2933—Signal power control considering the whole optical path
    • H04B10/2935—Signal power control considering the whole optical path with a cascade of amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • 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

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
DE69423994T 1993-03-23 1994-03-14 Übertragungssystem und -verfahren mit optischen Verstärkern Expired - Fee Related DE69423994T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939305977A GB9305977D0 (en) 1993-03-23 1993-03-23 Transmission system incorporating optical amplifiers

Publications (2)

Publication Number Publication Date
DE69423994D1 true DE69423994D1 (de) 2000-05-25
DE69423994T2 DE69423994T2 (de) 2000-08-17

Family

ID=10732567

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69423994T Expired - Fee Related DE69423994T2 (de) 1993-03-23 1994-03-14 Übertragungssystem und -verfahren mit optischen Verstärkern

Country Status (5)

Country Link
US (1) US5452116A (de)
EP (1) EP0617527B1 (de)
JP (1) JPH08125634A (de)
DE (1) DE69423994T2 (de)
GB (2) GB9305977D0 (de)

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US7170673B2 (en) * 1999-07-30 2007-01-30 Mitsubishi Denki Kabushiki Kaisha Optical amplifying repeater apparatus and optical amplifying/repeating transmission system
DE60036774T2 (de) * 1999-07-30 2008-07-24 Mitsubishi Denki K.K. Optischer verstärkungswiederholer und optischer verstärkungswiederholer und übertragungsanordnung
US6751421B1 (en) * 1999-08-10 2004-06-15 Lucent Technologies Inc. Optical fiber communication system employing wavelength converter for broadband transmission
US6587241B1 (en) 1999-08-20 2003-07-01 Corvis Corporation Optical protection methods, systems, and apparatuses
US6885824B1 (en) 2000-03-03 2005-04-26 Optical Coating Laboratory, Inc. Expandable optical array
US6307668B1 (en) 1999-10-04 2001-10-23 Optigain, Inc. Ultra-wide bandwidth fiber based optical amplifier
US6652972B1 (en) * 1999-11-01 2003-11-25 Schott Glass Technologies Inc. Low temperature joining of phosphate glass
US6735394B1 (en) * 1999-12-15 2004-05-11 Tellabs Operations, Inc. Per-channel optical amplification using saturation mode
US6292290B1 (en) * 1999-12-20 2001-09-18 Nortel Networks Limited Methods and apparatus for adjusting power in an optical signal, for providing a seamless optical ring and for providing a bidirectional equalized amplifier
US6819879B1 (en) * 1999-12-29 2004-11-16 Nortel Networks Limited Method and apparatus for encoding optical power and non-payload data in an optical signal
US6353497B1 (en) * 2000-03-03 2002-03-05 Optical Coating Laboratory, Inc. Integrated modular optical amplifier
JP2002158636A (ja) * 2000-03-29 2002-05-31 Hitachi Ltd 光伝送装置およびその監視システム
JP2003535807A (ja) 2000-06-20 2003-12-02 ショット、グラス、テクノロジーズ、インコーポレイテッド ガラスセラミック複合材
US6707962B1 (en) * 2000-07-20 2004-03-16 Fujitsu Network Communications, Inc. Method for providing signal power tilt compensation in optical transmission systems
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
EP1211528B1 (de) * 2000-11-01 2006-08-16 Schott Ag Photonische Vorrichtungen zur optischen und optoelektronischen Informationsverarbeitung
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US6882782B2 (en) 2000-11-01 2005-04-19 Schott Glas Photonic devices for optical and optoelectronic information processing
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US6643059B1 (en) * 2001-11-02 2003-11-04 Nortel Networks Limited Optical array amplifier
FR2834149A1 (fr) * 2001-12-20 2003-06-27 Thales Sa Dispositif electro-optique d'egalisation des canaux dans une liaison optique multicanaux
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US6970631B2 (en) 2002-06-05 2005-11-29 Lightwave Electronics Suppression of cladding mode loss in fiber amplifiers with distributed suppression of amplified spontaneous emission (ASE)
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Also Published As

Publication number Publication date
DE69423994T2 (de) 2000-08-17
GB9305977D0 (en) 1993-05-12
GB2276787B (en) 1996-10-23
US5452116A (en) 1995-09-19
JPH08125634A (ja) 1996-05-17
EP0617527A1 (de) 1994-09-28
EP0617527B1 (de) 2000-04-19
GB9404867D0 (en) 1994-04-27
GB2276787A (en) 1994-10-05

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee