ATE382999T1 - Optisches übertragungssystem mit raman- verstärkern umfassend ein überwachungssystem - Google Patents

Optisches übertragungssystem mit raman- verstärkern umfassend ein überwachungssystem

Info

Publication number
ATE382999T1
ATE382999T1 AT01275155T AT01275155T ATE382999T1 AT E382999 T1 ATE382999 T1 AT E382999T1 AT 01275155 T AT01275155 T AT 01275155T AT 01275155 T AT01275155 T AT 01275155T AT E382999 T1 ATE382999 T1 AT E382999T1
Authority
AT
Austria
Prior art keywords
raman amplifiers
disposed along
optical transmission
optical link
transmission system
Prior art date
Application number
AT01275155T
Other languages
English (en)
Inventor
Roberto Avallone
Andrea Fregosi
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 ATE382999T1 publication Critical patent/ATE382999T1/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)
AT01275155T 2001-12-27 2001-12-27 Optisches übertragungssystem mit raman- verstärkern umfassend ein überwachungssystem ATE382999T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2001/015330 WO2003069811A1 (en) 2001-12-27 2001-12-27 Optical transmission system with raman amplifiers comprising a supervisory system

Publications (1)

Publication Number Publication Date
ATE382999T1 true ATE382999T1 (de) 2008-01-15

Family

ID=27675553

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01275155T ATE382999T1 (de) 2001-12-27 2001-12-27 Optisches übertragungssystem mit raman- verstärkern umfassend ein überwachungssystem

Country Status (6)

Country Link
US (1) US7254326B2 (de)
EP (1) EP1468512B1 (de)
AT (1) ATE382999T1 (de)
AU (1) AU2002219224A1 (de)
DE (1) DE60132259D1 (de)
WO (1) WO2003069811A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002226395A1 (en) * 2001-12-27 2003-09-04 Pirelli Submarine Telecom Systems Italia S.P.A. Optical transmission system with raman amplifiers comprising a supervisory system
ATE382999T1 (de) * 2001-12-27 2008-01-15 Pirelli Submarine Telecom Systems Italia Spa Optisches übertragungssystem mit raman- verstärkern umfassend ein überwachungssystem
JP2004086143A (ja) * 2002-06-28 2004-03-18 Sumitomo Electric Ind Ltd 光伝送システム
KR20050114715A (ko) * 2003-04-02 2005-12-06 스미토모덴키고교가부시키가이샤 광증폭기능을 지니는 광통신시스템
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
JP2005012628A (ja) * 2003-06-20 2005-01-13 Nec Corp ラマン増幅中継器
GB0324586D0 (en) * 2003-10-22 2003-11-26 Cit Alcatel System and method for a supervisory signal modulation scheme using variable optical attenuators
CA2577476C (en) * 2004-08-30 2013-12-24 Mitsubishi Electric Corporation Raman amplifier and optical communication system
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
US7336869B2 (en) * 2006-04-14 2008-02-26 Xtera Communications, Inc. System and method for implementing a high capacity unrepeatered optical communication system
US8682159B2 (en) 2008-07-09 2014-03-25 Tyco Electronics Subsea Communications Llc Optical communication system supporting detection and communication networks
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

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FI954809L (fi) 1995-10-09 1997-04-10 Nokia Telecommunications Oy 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
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
ATE382999T1 (de) * 2001-12-27 2008-01-15 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
AU2002219224A1 (en) 2003-09-04
US20050117839A1 (en) 2005-06-02
US7254326B2 (en) 2007-08-07
DE60132259D1 (de) 2008-02-14
WO2003069811A1 (en) 2003-08-21
EP1468512B1 (de) 2008-01-02
EP1468512A1 (de) 2004-10-20

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties