CA2044919A1 - Systeme de communication optique - Google Patents

Systeme de communication optique

Info

Publication number
CA2044919A1
CA2044919A1 CA2044919A CA2044919A CA2044919A1 CA 2044919 A1 CA2044919 A1 CA 2044919A1 CA 2044919 A CA2044919 A CA 2044919A CA 2044919 A CA2044919 A CA 2044919A CA 2044919 A1 CA2044919 A1 CA 2044919A1
Authority
CA
Canada
Prior art keywords
optical
signal generator
communication system
coupled
pieces
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.)
Granted
Application number
CA2044919A
Other languages
English (en)
Other versions
CA2044919C (fr
Inventor
Masayuki Shigematsu
Kohji Nakazato
Izumi Sankawa
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.)
Nippon Telegraph and Telephone Corp
Sumitomo Electric Industries Ltd
Original Assignee
Masayuki Shigematsu
Kohji Nakazato
Izumi Sankawa
Sumitomo Electric Industries, Ltd.
Nippon Telegraph And Telephone Corporation
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 Masayuki Shigematsu, Kohji Nakazato, Izumi Sankawa, Sumitomo Electric Industries, Ltd., Nippon Telegraph And Telephone Corporation filed Critical Masayuki Shigematsu
Publication of CA2044919A1 publication Critical patent/CA2044919A1/fr
Application granted granted Critical
Publication of CA2044919C publication Critical patent/CA2044919C/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
    • H04B10/03—Arrangements for fault recovery
    • H04B10/038—Arrangements for fault recovery using bypasses
    • 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
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
    • 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
    • H04B10/27—Arrangements for networking
    • H04B10/272—Star-type networks or tree-type networks
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Optical Communication System (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Lasers (AREA)
CA002044919A 1990-06-19 1991-06-18 Systeme de communication optique Expired - Fee Related CA2044919C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPHEI.2-161077 1990-06-19
JP02161077A JP3100386B2 (ja) 1990-06-19 1990-06-19 光通信システム

Publications (2)

Publication Number Publication Date
CA2044919A1 true CA2044919A1 (fr) 1991-12-20
CA2044919C CA2044919C (fr) 1996-06-11

Family

ID=15728191

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002044919A Expired - Fee Related CA2044919C (fr) 1990-06-19 1991-06-18 Systeme de communication optique

Country Status (7)

Country Link
EP (1) EP0467080B1 (fr)
JP (1) JP3100386B2 (fr)
AU (1) AU632697B2 (fr)
CA (1) CA2044919C (fr)
DE (1) DE69125065T2 (fr)
FI (1) FI103236B1 (fr)
NO (1) NO308499B1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9022681D0 (en) * 1990-10-18 1990-11-28 British Telecomm Passive optical network
EP0516363B1 (fr) * 1991-05-27 1999-01-07 The Furukawa Electric Co., Ltd. Appareil d'amplification optique
IT1279126B1 (it) * 1995-04-18 1997-12-04 Sip Amplificatore ottico bidirezionale a fibra attiva.
GB9526176D0 (en) * 1995-12-21 1996-02-21 Stc Submarine Systems Ltd System fibre break detection in systems using ropas
JPH09261187A (ja) * 1996-03-19 1997-10-03 Fujitsu Ltd 無中継光伝送システムのリモートアンプおよび障害点標定方法
JP3107033B2 (ja) 1998-03-09 2000-11-06 日本電気株式会社 光増幅装置とこれを含む光伝送装置の伝送路破断点検出方法および光増幅装置を用いた双方向波長多重光伝送装置
BR112012023136A8 (pt) * 2012-08-29 2020-01-07 Ericsson Telecomunicacoes Sa dispositivo para monitorar uma fibra óptica.
US9627842B2 (en) * 2013-03-05 2017-04-18 Telefonaktiebolaget Lm Ericsson (Publ) Optical amplifier arrangement
EP2819321A1 (fr) * 2013-06-27 2014-12-31 Alcatel Lucent Noeud de multiplexage d'insertion-extraction optique par paquets pour un réseau optique en anneau
JP7424391B2 (ja) * 2019-12-04 2024-01-30 日本電気株式会社 光ファイバセンシングシステム、中継装置及びセンシング方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS581859B2 (ja) * 1975-02-14 1983-01-13 株式会社日立製作所 ヒカリチユウケイキ
JPS56140257U (fr) * 1980-03-24 1981-10-23
JPS5991745A (ja) * 1982-11-18 1984-05-26 Yamatake Honeywell Co Ltd 光通信用結合装置
JPS59188249A (ja) * 1984-03-22 1984-10-25 Hitachi Ltd 光中継増幅器
JPH021631A (ja) * 1988-06-09 1990-01-05 Fujitsu Ltd 光ケーブル通信方式

Also Published As

Publication number Publication date
AU632697B2 (en) 1993-01-07
EP0467080A1 (fr) 1992-01-22
FI912962A (fi) 1991-12-20
NO912327D0 (no) 1991-06-17
JP3100386B2 (ja) 2000-10-16
EP0467080B1 (fr) 1997-03-12
DE69125065T2 (de) 1997-06-19
DE69125065D1 (de) 1997-04-17
FI103236B (fi) 1999-05-14
FI103236B1 (fi) 1999-05-14
NO308499B1 (no) 2000-09-18
JPH0451620A (ja) 1992-02-20
CA2044919C (fr) 1996-06-11
NO912327L (no) 1991-12-20
FI912962A0 (fi) 1991-06-18
AU7848891A (en) 1992-01-02

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Legal Events

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