DE69929645D1 - Optischer Verstärker, Übertragungsgerät, Übertragungssystem und Verfahren - Google Patents

Optischer Verstärker, Übertragungsgerät, Übertragungssystem und Verfahren

Info

Publication number
DE69929645D1
DE69929645D1 DE69929645T DE69929645T DE69929645D1 DE 69929645 D1 DE69929645 D1 DE 69929645D1 DE 69929645 T DE69929645 T DE 69929645T DE 69929645 T DE69929645 T DE 69929645T DE 69929645 D1 DE69929645 D1 DE 69929645D1
Authority
DE
Germany
Prior art keywords
optical amplifier
transmission
transmission device
transmission system
amplifier
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
DE69929645T
Other languages
English (en)
Other versions
DE69929645T2 (de
Inventor
Junya Kosaka
Hiroyuki Nakano
Takayuki Suzuki
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE69929645D1 publication Critical patent/DE69929645D1/de
Application granted granted Critical
Publication of DE69929645T2 publication Critical patent/DE69929645T2/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
    • H04B10/293—Signal power control
    • H04B10/2931—Signal power control using AGC
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • H04B10/0777—Monitoring line amplifier or line repeater equipment
    • 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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/2513—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion
    • H04B10/25133—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion including a lumped electrical or optical dispersion compensator
    • 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
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/07—Monitoring an optical transmission system using a supervisory signal
    • H04B2210/078—Monitoring an optical transmission system using a supervisory signal using a separate wavelength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/25—Distortion or dispersion compensation
    • H04B2210/256—Distortion or dispersion compensation at the repeater, i.e. repeater compensation

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
DE1999629645 1998-08-28 1999-05-19 Optischer Verstärker, Übertragungsgerät, Übertragungssystem und Verfahren Expired - Fee Related DE69929645T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP24287798 1998-08-28
JP10242877A JP2000077757A (ja) 1998-08-28 1998-08-28 光増幅器、光伝送装置および光伝送システム

Publications (2)

Publication Number Publication Date
DE69929645D1 true DE69929645D1 (de) 2006-04-13
DE69929645T2 DE69929645T2 (de) 2006-09-21

Family

ID=17095570

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1999629645 Expired - Fee Related DE69929645T2 (de) 1998-08-28 1999-05-19 Optischer Verstärker, Übertragungsgerät, Übertragungssystem und Verfahren

Country Status (4)

Country Link
EP (1) EP0982881B1 (de)
JP (1) JP2000077757A (de)
CN (1) CN1143173C (de)
DE (1) DE69929645T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6421167B1 (en) * 2000-03-03 2002-07-16 General Dynamics Advanced Technology Systems, Inc. Multiple function bandwidth management systems
CN101621175A (zh) * 2009-06-23 2010-01-06 中兴通讯股份有限公司 一种具有色散补偿功能的光纤放大器及方法
JP5504946B2 (ja) 2010-02-12 2014-05-28 富士通株式会社 光増幅器
CN107249809B (zh) * 2015-01-09 2019-10-18 Lsp技术有限公司 激光冲击喷丸处理中使用的方法和设备
CN113049014B (zh) * 2021-03-10 2022-04-15 太原理工大学 一种基于泵浦光扫频的时频复用botda系统及传感方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
EP0982881A2 (de) 2000-03-01
JP2000077757A (ja) 2000-03-14
CN1143173C (zh) 2004-03-24
EP0982881B1 (de) 2006-02-01
CN1247328A (zh) 2000-03-15
EP0982881A3 (de) 2003-09-10
DE69929645T2 (de) 2006-09-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee