ATE385086T1 - Optisches übertragungssystem mit raman- verstärkern und einem überwachungssystem - Google Patents

Optisches übertragungssystem mit raman- verstärkern und einem überwachungssystem

Info

Publication number
ATE385086T1
ATE385086T1 AT01995719T AT01995719T ATE385086T1 AT E385086 T1 ATE385086 T1 AT E385086T1 AT 01995719 T AT01995719 T AT 01995719T AT 01995719 T AT01995719 T AT 01995719T AT E385086 T1 ATE385086 T1 AT E385086T1
Authority
AT
Austria
Prior art keywords
optical
optical transmission
transmission system
raman amplifier
disposed along
Prior art date
Application number
AT01995719T
Other languages
English (en)
Inventor
Roberto Avallone
Andrea Fregosi
Carlo Boidi
Original Assignee
Pirelli Submarine Telecom Systems Italia Spa
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 Pirelli Submarine Telecom Systems Italia Spa filed Critical Pirelli Submarine Telecom Systems Italia Spa
Application granted granted Critical
Publication of ATE385086T1 publication Critical patent/ATE385086T1/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
    • H04B10/298—Two-way repeaters, i.e. repeaters amplifying separate upward and downward lines
    • 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
    • H04B10/29—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
    • 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
    • H04B2210/074—Monitoring an optical transmission system using a supervisory signal using a superposed, over-modulated signal

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Amplifiers (AREA)
  • Lasers (AREA)
AT01995719T 2001-12-27 2001-12-27 Optisches übertragungssystem mit raman- verstärkern und einem überwachungssystem ATE385086T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2001/015332 WO2003069812A1 (en) 2001-12-27 2001-12-27 Optical transmission system with raman amplifiers comprising a supervisory system

Publications (1)

Publication Number Publication Date
ATE385086T1 true ATE385086T1 (de) 2008-02-15

Family

ID=27675554

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01995719T ATE385086T1 (de) 2001-12-27 2001-12-27 Optisches übertragungssystem mit raman- verstärkern und einem überwachungssystem

Country Status (6)

Country Link
US (1) US7274871B2 (de)
EP (1) EP1461877B1 (de)
AT (1) ATE385086T1 (de)
AU (1) AU2002226395A1 (de)
DE (1) DE60132639D1 (de)
WO (1) WO2003069812A1 (de)

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GB0129717D0 (en) * 2001-12-12 2002-01-30 Marconi Comm Ltd A method and an apparatus for signal transmission
JP2004228715A (ja) * 2003-01-20 2004-08-12 Fujitsu Ltd 光伝送システム
JP4205959B2 (ja) * 2003-01-21 2009-01-07 富士通株式会社 中継装置およびラマン増幅中継システム
GB0303358D0 (en) * 2003-02-14 2003-03-19 Marconi Comm Ltd Optical transmission system
US7202995B2 (en) * 2003-06-18 2007-04-10 Lucent Technologies Inc. Method and apparatus for communicating status in a lightwave communication system employing optical amplifiers
US7274503B2 (en) * 2003-09-05 2007-09-25 Sprint Communications Company L.P. Distributed raman amplification
US7362972B2 (en) * 2003-09-29 2008-04-22 Jds Uniphase Inc. Laser transmitter capable of transmitting line data and supervisory information at a plurality of data rates
GB0324586D0 (en) * 2003-10-22 2003-11-26 Cit Alcatel System and method for a supervisory signal modulation scheme using variable optical attenuators
US7016102B2 (en) * 2004-03-05 2006-03-21 Agilent Technologies, Inc. Apparatus and method for shifting the frequency of an optical signal by two-stage Raman scattering
CN1874193B (zh) 2005-06-03 2012-05-23 华为技术有限公司 实现激光安全保护的方法及光放大器、标识信号加载方法
EP1748581A1 (de) 2005-07-26 2007-01-31 Alcatel Optisches WDM-Übertragungssystem mit Raman Verstärkern, einem Überwachungskanal und einem Kontrollsystem
CN100401688C (zh) 2005-09-30 2008-07-09 华为技术有限公司 光通信系统的自动恢复检测方法、自动恢复方法及装置
US7522842B1 (en) * 2005-09-30 2009-04-21 Nortel Networks Limited Optical transmission system using Raman amplification
US7878019B2 (en) * 2006-06-30 2011-02-01 Christopher Ralph Cantolino One-piece float switch housing and drain line assembly with condensate collection pan
US20110052190A1 (en) * 2007-09-06 2011-03-03 Biao Lu Discovery of an Adjacent Network Element within a Network Data Plane
US20090285584A1 (en) * 2008-05-15 2009-11-19 Xtera Communication Inc. Unrepeatered optical segment for use with repeatered series of optical segments
US8682159B2 (en) * 2008-07-09 2014-03-25 Tyco Electronics Subsea Communications Llc Optical communication system supporting detection and communication networks
DE102009021010B4 (de) * 2009-05-12 2012-03-01 Adva Ag Optical Networking Optische WDM Sende- und Empfangseinrichtung und optische Transceivereinheit hierfür
EP3136623A4 (de) * 2014-05-14 2017-04-26 Huawei Marine Networks Co., Limited Optischer repeater und glasfaserkommunikationssystem
US9998254B2 (en) * 2015-05-20 2018-06-12 Finisar Corporation Method and apparatus for hardware configured network
US10721011B2 (en) 2015-05-20 2020-07-21 II-VI Deleware, Inc. Method and apparatus for hardware-configured network
CN115361088B (zh) 2019-01-09 2025-06-10 菲尼萨公司 对光学网络中的光电收发器进行调谐的方法
JP2024038573A (ja) * 2022-09-08 2024-03-21 富士通株式会社 光伝送装置、光伝送システム、及びラマン増幅器の制御方法

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JP3137632B2 (ja) 1989-08-31 2001-02-26 富士通株式会社 光ファイバ増幅器を備えた光通信方式
FR2674392B1 (fr) 1991-03-22 1994-09-30 Cit Alcatel Systeme de transmission de signaux auxiliaires sur une liaison optique.
JPH088835A (ja) * 1994-06-21 1996-01-12 Fujitsu Ltd 光伝送方式
JPH0918410A (ja) 1995-06-26 1997-01-17 Fujitsu Ltd 波長多重光通信の監視装置
FI954809A7 (fi) * 1995-10-09 1997-04-10 Nokia Corp Ylläpitosanomien välittäminen kuituvahvistimelta
GB2314224A (en) * 1996-06-11 1997-12-17 Stc Submarine Systems Ltd Fibre optic transmission
JP3884841B2 (ja) 1997-11-14 2007-02-21 株式会社日立コミュニケーションテクノロジー 光伝送システム及び光通信装置
JP3858451B2 (ja) * 1998-06-03 2006-12-13 Ｋｄｄｉ株式会社 制御信号重畳装置
US6714739B1 (en) * 1999-06-07 2004-03-30 Corvis Corporation Optical transmission systems and optical receivers and receiving methods for use therein
JP2001168799A (ja) * 1999-12-08 2001-06-22 Nec Corp 光通信システム及びそれに用いる光中継器
EP1122898A1 (de) 2000-01-31 2001-08-08 KDD Corporation Optisches Zwischenverstärkerüberwachungssystem und Verfahren dafür
JP3588435B2 (ja) * 2000-02-28 2004-11-10 富士通株式会社 光増幅装置、複合光増幅装置および光通信システム
DE10010237B4 (de) * 2000-03-02 2006-07-13 Siemens Ag Verfahren zur Kompensation der erhöhten Faserdämpfung im Übertragungsband von 1450 bis 1510 nm
JP4628523B2 (ja) * 2000-06-13 2011-02-09 富士通株式会社 光ファイバ伝送路の特性を評価するための方法、装置及びシステム
US6922532B2 (en) * 2000-12-07 2005-07-26 Frederic Simard Optical performance monitoring for D/WDM networks
US6839523B1 (en) * 2001-05-11 2005-01-04 Nortel Networks Limited Monitoring distributed gain in an optical transmission system
JP4647147B2 (ja) * 2001-07-16 2011-03-09 富士通株式会社 ラマン増幅を用いた光伝送方法および光伝送システム
DE60132259D1 (de) * 2001-12-27 2008-02-14 Pirelli Submarine Telecom Systems Italia Spa Optisches übertragungssystem mit raman-verstärkern umfassend ein überwachungssystem
GB0324586D0 (en) * 2003-10-22 2003-11-26 Cit Alcatel System and method for a supervisory signal modulation scheme using variable optical attenuators

Also Published As

Publication number Publication date
US20050078351A1 (en) 2005-04-14
AU2002226395A1 (en) 2003-09-04
EP1461877A1 (de) 2004-09-29
US7274871B2 (en) 2007-09-25
EP1461877B1 (de) 2008-01-23
WO2003069812A1 (en) 2003-08-21
DE60132639D1 (de) 2008-03-13

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