FR2828777B1 - Systeme et repeteur de transmission optique - Google Patents

Systeme et repeteur de transmission optique

Info

Publication number
FR2828777B1
FR2828777B1 FR0200302A FR0200302A FR2828777B1 FR 2828777 B1 FR2828777 B1 FR 2828777B1 FR 0200302 A FR0200302 A FR 0200302A FR 0200302 A FR0200302 A FR 0200302A FR 2828777 B1 FR2828777 B1 FR 2828777B1
Authority
FR
France
Prior art keywords
monitor
response
operating condition
response signal
signal
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
FR0200302A
Other languages
English (en)
Other versions
FR2828777A1 (fr
Inventor
Hiroyuki Deguchi
Shin Ichiro Harasawa
Izumi Yokota
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
Publication of FR2828777A1 publication Critical patent/FR2828777A1/fr
Application granted granted Critical
Publication of FR2828777B1 publication Critical patent/FR2828777B1/fr
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
    • H04B10/07—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
    • H04B10/0771—Fault location on the transmission path
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
FR0200302A 2001-08-14 2002-01-11 Systeme et repeteur de transmission optique Expired - Fee Related FR2828777B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001246063A JP4467213B2 (ja) 2001-08-14 2001-08-14 光伝送システム

Publications (2)

Publication Number Publication Date
FR2828777A1 FR2828777A1 (fr) 2003-02-21
FR2828777B1 true FR2828777B1 (fr) 2006-12-01

Family

ID=19075694

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0200302A Expired - Fee Related FR2828777B1 (fr) 2001-08-14 2002-01-11 Systeme et repeteur de transmission optique

Country Status (4)

Country Link
US (1) US6980745B2 (fr)
JP (1) JP4467213B2 (fr)
FR (1) FR2828777B1 (fr)
GB (1) GB2378832B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
JP4356545B2 (ja) * 2004-07-15 2009-11-04 富士通株式会社 光伝送システム
EP1788426B1 (fr) * 2004-08-30 2012-12-12 Mitsubishi Electric Corporation Système de communication optique avec amplificateur raman
US7990851B2 (en) * 2007-11-11 2011-08-02 Weed Instrument, Inc. Method, apparatus and computer program product for redundant ring communication
JP6312927B2 (ja) * 2014-05-14 2018-04-18 ▲華▼▲為▼▲海▼洋▲網▼▲絡▼有限公司 光中継器及び光ファイバー通信システム
US10256914B2 (en) * 2015-10-13 2019-04-09 Facebook, Inc. Single source optical transmission
CN109417425B (zh) * 2016-07-01 2022-02-18 日本电气株式会社 中继设备、监视系统和监视信息传输方法
US11177885B2 (en) 2017-04-10 2021-11-16 Nec Corporation Repeater and repeating method
WO2019082862A1 (fr) 2017-10-26 2019-05-02 日本電気株式会社 Dispositif de transmission optique et procédé de transmission optique
CN110798262B (zh) * 2019-10-23 2023-02-24 中国海洋大学 一种水下无线光通信网络
US11588295B2 (en) * 2019-11-01 2023-02-21 Ii-Vi Delaware, Inc. Pump modulation for optical amplifier link communication
US11575241B2 (en) 2020-12-11 2023-02-07 Ii-Vi Delaware, Inc. Optical amplifier modules
WO2022138431A1 (fr) * 2020-12-21 2022-06-30 日本電気株式会社 Appareil de transmission, procédé de transmission et support d'enregistrement de programme de transmission

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56165437A (en) 1980-05-26 1981-12-19 Kokusai Denshin Denwa Co Ltd <Kdd> Optical repeating system for optical communication
JPH0828680B2 (ja) * 1987-07-23 1996-03-21 国際電信電話株式会社 双方向光ファイバ通信系の障害点監視方式
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
JPH03239028A (ja) 1990-02-16 1991-10-24 Fujitsu Ltd 光中継方式
US5229876A (en) 1990-03-26 1993-07-20 At&T Bell Laboratories Telemetry for optical fiber amplifier repeater
DE4109683A1 (de) 1991-03-23 1992-09-24 Standard Elektrik Lorenz Ag System fuer optische signaluebertragung, insbesondere optisches kabelfernsehsystem, mit ueberwachungs- und dienstkanaleinrichtung
JPH05199184A (ja) 1992-01-20 1993-08-06 Fujitsu Ltd 光増幅中継器
US5383046A (en) 1992-05-29 1995-01-17 Fujitsu Limited Supervisory and control signal transmitting system for use in optically amplifying repeaters system
JP2551371B2 (ja) 1993-12-01 1996-11-06 日本電気株式会社 光中継器
JP3611631B2 (ja) * 1995-03-20 2005-01-19 Ｋｄｄｉ株式会社 線路監視方法および線路監視装置
US6414775B1 (en) * 1998-12-28 2002-07-02 Tycom (Us) Inc. Method and apparatus for measuring gain shape in an optical repeater using FM modulation
US6433903B1 (en) 1999-12-29 2002-08-13 Sycamore Networks, Inc. Optical management channel for wavelength division multiplexed systems
EP1122898A1 (fr) * 2000-01-31 2001-08-08 KDD Corporation Système répéteur optique de surveillance et procédé correspondant

Also Published As

Publication number Publication date
JP4467213B2 (ja) 2010-05-26
GB2378832A (en) 2003-02-19
GB2378832B (en) 2004-12-15
FR2828777A1 (fr) 2003-02-21
US6980745B2 (en) 2005-12-27
JP2003060592A (ja) 2003-02-28
GB0200516D0 (en) 2002-02-27
US20030035184A1 (en) 2003-02-20

Similar Documents

Publication Publication Date Title
FR2828777B1 (fr) Systeme et repeteur de transmission optique
AU2003229506B2 (en) Method for detecting a check-back signal in an optical transmission system
FR2827455B1 (fr) Systeme de transmission optique, station terminale et repeteur
CA2433761A1 (fr) Programme de commande pour canaux a longueur de bande importante dans un systeme de transmission a multiplexage par repartition en longueur d&#39;onde
FR2827446B1 (fr) Procede de transmission optique et systeme de transmission optique utilisant l&#39;amplification raman
ATE403999T1 (de) Optisches übertragungssystem
FI954809A (fi) Ylläpitosanomien välittäminen kuituvahvistimelta
EP2005620A1 (fr) Dispositif de communication par lumiere d&#39;eclairage
EP1143643A3 (fr) Système optique de transmission
GB0116856D0 (en) Optical amplifier
KR960027596A (ko) 광 장치 및 그를 이용한 광 통신 시스템
DE602004008035D1 (de) Optisches übertragungssystem
DE60132639D1 (de) Optisches übertragungssystem mit raman-verstärkern und einem überwachungssystem
EP0844751A3 (fr) Emetteur optique, dispositif terminal avec émetteur optique et système de communication optique avec contrôle du signal optique transmis
EP3151044A1 (fr) Procédés et appareil pour la gestion à distance d&#39;un système d&#39;émetteur-récepteur optique
SE0301578L (sv) Förfarande för övervakning av driftinformation
DE60234795D1 (de) Pumplichtquelleneinheit, Ramanverstärker und optisches Übertragungssystem
ATE382999T1 (de) Optisches übertragungssystem mit raman- verstärkern umfassend ein überwachungssystem
US7039325B2 (en) Communication system
KR100353854B1 (ko) 유지 보수와 감시 신호처리 및 에러 정정 기능을 갖는광트랜스폰더
EP1928205A3 (fr) Commutateur optique et procédé de commande de commutateur optique
CN102104811A (zh) 减少光网络设备中光模块能耗的方法、设备和系统
KR100321993B1 (ko) 광 채널 모니터링 모듈의 기준 파장 설정 장치
JP2003526256A (ja) Ｓバンドにおける付加的な光信号の伝送方法
GB2403087B (en) Repeater in an optical transmission system

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 15

PLFP Fee payment

Year of fee payment: 16

ST Notification of lapse

Effective date: 20180928