DE69735705D1 - Ferngepumptes Lichtübertragungssystem mit Mehrfachwellenlängen - Google Patents

Ferngepumptes Lichtübertragungssystem mit Mehrfachwellenlängen

Info

Publication number
DE69735705D1
DE69735705D1 DE69735705T DE69735705T DE69735705D1 DE 69735705 D1 DE69735705 D1 DE 69735705D1 DE 69735705 T DE69735705 T DE 69735705T DE 69735705 T DE69735705 T DE 69735705T DE 69735705 D1 DE69735705 D1 DE 69735705D1
Authority
DE
Germany
Prior art keywords
transmission system
light transmission
multiple wavelengths
pumped light
remote pumped
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 - Lifetime
Application number
DE69735705T
Other languages
English (en)
Other versions
DE69735705T2 (de
Inventor
Yasushi Sugaya
Terumi Chikama
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69735705D1 publication Critical patent/DE69735705D1/de
Publication of DE69735705T2 publication Critical patent/DE69735705T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07955—Monitoring or measuring 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
    • H04B10/2931—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
    • H04B10/29—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
    • 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
    • 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)
DE69735705T 1997-03-13 1997-10-24 Ferngepumptes Lichtübertragungssystem mit Mehrfachwellenlängen Expired - Lifetime DE69735705T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP05882697A JP3860278B2 (ja) 1997-03-13 1997-03-13 遠隔励起方式の波長多重光伝送システム
JP5882697 1997-03-13

Publications (2)

Publication Number Publication Date
DE69735705D1 true DE69735705D1 (de) 2006-05-24
DE69735705T2 DE69735705T2 (de) 2007-04-12

Family

ID=13095461

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69735705T Expired - Lifetime DE69735705T2 (de) 1997-03-13 1997-10-24 Ferngepumptes Lichtübertragungssystem mit Mehrfachwellenlängen

Country Status (5)

Country Link
US (2) US5903385A (de)
EP (3) EP2051415B1 (de)
JP (1) JP3860278B2 (de)
CN (1) CN1139217C (de)
DE (1) DE69735705T2 (de)

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US6344922B1 (en) * 1998-07-21 2002-02-05 Corvis Corporation Optical signal varying devices
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CN100359828C (zh) * 2002-11-17 2008-01-02 华为技术有限公司 一种遥泵传输系统
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ITMI20041287A1 (it) * 2004-06-24 2004-09-24 Marconi Comm Spa Demultiplexer ottico autolivellante a singolo amplificatore e dispositivo oadm con esso
US7574140B2 (en) * 2004-12-22 2009-08-11 Tyco Telecommunications (Us) Inc. Optical transmission system including repeatered and unrepeatered segments
JP4615376B2 (ja) * 2005-06-02 2011-01-19 日本電信電話株式会社 遠隔励起光増幅伝送システム
JP4799284B2 (ja) * 2006-06-12 2011-10-26 中国電力株式会社 遠隔測定システム
JP4580404B2 (ja) 2007-03-29 2010-11-10 富士通株式会社 光増幅器
US20090185262A1 (en) * 2008-01-22 2009-07-23 Xiaodong Duan Optical Amplifier With Time-Multiplexed Pump Laser
WO2009123572A1 (en) * 2008-03-31 2009-10-08 Agency For Science, Technology And Research Remote node for wavelength-division-multiplexed passive optical network
JP5223638B2 (ja) * 2008-12-05 2013-06-26 住友電気工業株式会社 光受信モジュールの制御方法
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JP5529589B2 (ja) * 2009-04-10 2014-06-25 株式会社フジクラ ファイバ出力安定化装置
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JP6103097B1 (ja) 2016-03-18 2017-03-29 日本電気株式会社 光伝送装置及びその制御方法
JP6455537B2 (ja) * 2017-03-02 2019-01-23 日本電気株式会社 光伝送装置、光伝送システム及び光通信方法
CN107181528B (zh) * 2017-07-03 2023-04-14 无锡市德科立光电子技术股份有限公司 一种无中继传输系统
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Also Published As

Publication number Publication date
DE69735705T2 (de) 2007-04-12
US5903385A (en) 1999-05-11
US6507431B1 (en) 2003-01-14
EP1679809A3 (de) 2006-09-06
EP2051415B1 (de) 2012-02-29
EP1679809A2 (de) 2006-07-12
EP0865173A3 (de) 2004-01-07
EP0865173A2 (de) 1998-09-16
JPH10257028A (ja) 1998-09-25
CN1139217C (zh) 2004-02-18
EP0865173B1 (de) 2006-04-19
JP3860278B2 (ja) 2006-12-20
CN1193752A (zh) 1998-09-23
EP2051415A1 (de) 2009-04-22

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