ATE301892T1 - Signalleitschaltung für lichtwellenleiternetze - Google Patents

Signalleitschaltung für lichtwellenleiternetze

Info

Publication number
ATE301892T1
ATE301892T1 AT96926470T AT96926470T ATE301892T1 AT E301892 T1 ATE301892 T1 AT E301892T1 AT 96926470 T AT96926470 T AT 96926470T AT 96926470 T AT96926470 T AT 96926470T AT E301892 T1 ATE301892 T1 AT E301892T1
Authority
AT
Austria
Prior art keywords
signals
branching unit
switches
outputs
designated
Prior art date
Application number
AT96926470T
Other languages
English (en)
Inventor
Kevan Peter Jones
Simon James Kendrick
Original Assignee
Cit Alcatel
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
Priority claimed from GBGB9516048.7A external-priority patent/GB9516048D0/en
Priority claimed from GBGB9526219.2A external-priority patent/GB9526219D0/en
Priority claimed from GBGB9600814.9A external-priority patent/GB9600814D0/en
Application filed by Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of ATE301892T1 publication Critical patent/ATE301892T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/021—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
    • H04J14/0212—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM] using optical switches or wavelength selective switches [WSS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0215—Architecture aspects
    • H04J14/0219—Modular or upgradable architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/0209—Multi-stage arrangements, e.g. by cascading multiplexers or demultiplexers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
AT96926470T 1995-08-04 1996-08-02 Signalleitschaltung für lichtwellenleiternetze ATE301892T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB9516048.7A GB9516048D0 (en) 1995-08-04 1995-08-04 Switch configurations for active (switched) branching units
GBGB9526219.2A GB9526219D0 (en) 1995-12-21 1995-12-21 Wavelength routing element to provide 2n wavelength routing options
GBGB9600814.9A GB9600814D0 (en) 1996-01-16 1996-01-16 An add drop multiplexer to allaow selectable drop and add of channel from a wdm transmission system
PCT/GB1996/001890 WO1997006617A1 (en) 1995-08-04 1996-08-02 Signal routing for fibre optic networks

Publications (1)

Publication Number Publication Date
ATE301892T1 true ATE301892T1 (de) 2005-08-15

Family

ID=27267845

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96926470T ATE301892T1 (de) 1995-08-04 1996-08-02 Signalleitschaltung für lichtwellenleiternetze

Country Status (8)

Country Link
US (1) US6281998B1 (de)
EP (1) EP0842576B1 (de)
JP (1) JP3888471B2 (de)
CN (1) CN1197562A (de)
AT (1) ATE301892T1 (de)
CA (1) CA2225468A1 (de)
DE (1) DE69635054T2 (de)
WO (1) WO1997006617A1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2311429B (en) * 1995-08-24 1998-02-25 Mitsubishi Electric Corp Wavelength multiplexed light transfer unit and wavelength multiplexed light transfer system
JP3463717B2 (ja) * 1995-08-24 2003-11-05 三菱電機株式会社 波長多重光伝送装置および波長多重光伝送システム
CA2231642A1 (en) * 1996-08-29 1998-03-05 Corning Incorporated Switchable wavelength add/drop component
KR0183945B1 (ko) * 1996-11-28 1999-05-15 삼성전자주식회사 광 디멀티플렉서
GB2321809A (en) 1997-01-31 1998-08-05 Stc Submarine Systems Ltd Add/drop multiplexer
GB2325365B (en) * 1997-05-12 2001-03-14 Alsthom Cge Alkatel Wavelength division multiplex branching unit and method of operation for optical transmission systems
JPH11186960A (ja) * 1997-12-22 1999-07-09 Nec Corp 光ノード装置、光合分波方法及び光伝送装置
GB9801183D0 (en) 1998-01-20 1998-03-18 Alsthom Cge Alcatel A reconfigurable branching unit for a submarine communications system
US6466341B1 (en) * 1998-08-03 2002-10-15 Agere Systems Guardian Corp. Add/drop filter for a multi-wavelength lightwave system
JP2000124855A (ja) * 1998-10-14 2000-04-28 Nec Corp 光分波器および光合波器および光信号中継増幅装置及び光ネットワーク装置
US6597481B1 (en) * 1999-02-19 2003-07-22 Lucent Technologies Inc. Controllable wavelength-selective optical cross-connect
GB2348557B (en) 1999-04-01 2002-03-13 Marconi Comm Ltd Communications system
FR2800949B1 (fr) * 1999-11-08 2002-04-12 Cit Alcatel Procede d'extraction de canal pour systeme de transmission optique a multiplex de longueurs d'onde et dispositifs appliquant ce procede
JP3986237B2 (ja) * 2000-05-17 2007-10-03 沖電気工業株式会社 光フィルタ
US6647164B1 (en) 2000-10-31 2003-11-11 3M Innovative Properties Company Gimbaled micro-mirror positionable by thermal actuators
US20020054406A1 (en) * 2000-11-03 2002-05-09 Gary Duerksen Bidirectional WDM optical communication network with optical bridge between bidirectional optical waveguides
US6711318B2 (en) 2001-01-29 2004-03-23 3M Innovative Properties Company Optical switch based on rotating vertical micro-mirror
US20020131114A1 (en) * 2001-03-15 2002-09-19 The Regents Of The University Of California Method and apparatus for optical signal processing using subcarrier multiplexed headers
CA2440395C (en) * 2001-04-11 2014-10-07 Lumentis Ab Low loss wdm add drop node
JP2003037561A (ja) * 2001-05-16 2003-02-07 Furukawa Electric Co Ltd:The 可変型光分散補償モジュール
KR20040099921A (ko) * 2003-05-20 2004-12-02 삼성전자주식회사 재구성 가능한 애드/드롭 모듈
US7043103B2 (en) * 2004-05-05 2006-05-09 National Chiao Tung University Self-healing fiber Bragg grating sensor system
DE102004027068B3 (de) * 2004-06-03 2006-02-16 Adva Ag Optical Networking Schaltung zur Signalübertragung in einem Netzwerkknoten, insbesondere für eine Kanalkarte für eine optische WDM-Signalübertragungseinrichtung
KR20070108130A (ko) * 2004-09-07 2007-11-08 내셔널 아이씨티 오스트레일리아 리미티드 로컬 네트워킹 능력을 갖는 ｐｏｎ 시스템
US11487063B2 (en) * 2020-03-31 2022-11-01 Subcom, Llc Pair routing between three undersea fiber optic cables

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4906064A (en) * 1988-12-30 1990-03-06 Bell Communications Research, Inc. Switch for selectively switching optical wavelengths
US6061484A (en) * 1995-08-04 2000-05-09 Alcatel Add/drop multiplexer
JP3006670B2 (ja) * 1995-08-18 2000-02-07 日本電気株式会社 光海底分岐装置およびその伝送路切替方法
JPH09116490A (ja) * 1995-10-16 1997-05-02 Fujitsu Ltd 光多重システム用分岐装置
JP3483680B2 (ja) * 1995-10-18 2004-01-06 Ｋｄｄｉ株式会社 光海底分岐装置
JP3555824B2 (ja) * 1996-11-21 2004-08-18 日本電気株式会社 分岐装置
JP3006519B2 (ja) * 1996-11-22 2000-02-07 日本電気株式会社 光通信システム
JPH10173598A (ja) * 1996-12-09 1998-06-26 Fujitsu Ltd 光合分波装置及びこれを用いた光伝送システム
JP3036458B2 (ja) * 1997-02-28 2000-04-24 日本電気株式会社 光分岐装置および光伝送方法
JPH1155184A (ja) * 1997-08-04 1999-02-26 Fujitsu Ltd 光分岐挿入装置

Also Published As

Publication number Publication date
JPH11513206A (ja) 1999-11-09
US6281998B1 (en) 2001-08-28
CA2225468A1 (en) 1997-02-20
CN1197562A (zh) 1998-10-28
JP3888471B2 (ja) 2007-03-07
EP0842576A1 (de) 1998-05-20
DE69635054T2 (de) 2006-06-01
EP0842576B1 (de) 2005-08-10
WO1997006617A1 (en) 1997-02-20
DE69635054D1 (de) 2005-09-15

Similar Documents

Publication Publication Date Title
ATE301892T1 (de) Signalleitschaltung für lichtwellenleiternetze
SE9703107D0 (sv) Arrangement and method relating to optical transmission
US5774606A (en) Optical fiber transmission system with a passive optical router
EP0592330B1 (de) Optisches Übertragungsnetzwerk mit Schaltmatrix
EP0887963A3 (de) Kaskadierte optische Multiplex-Vorrichtungen
CA2301069A1 (en) Large scale high speed multiplexed optical fiber sensor network
AR008129A1 (es) Dispositivo y metodo para agregar y eliminar senales opticas a y de una via de transmision optica y una disposion de telecomunicaciones opticas multicanalpara transmitir senales opticas que comprende dicho dispositivo
EP0493132B1 (de) Wellenleiterkoppler/-verzweiger
US5943455A (en) Method and apparatus for interfacing optical fibers from optical fiber ribbons and cables with an optical integrated circuit
EP0818897B1 (de) Lichtverzweiger- und Lichtinsertionsgerät und optisches Übertragungssystem mit einem Lichtverzweiger- und Lichtinsertionsgerät
US5074634A (en) Optical multiplexing/demultiplexing device
US20050018965A1 (en) Dynamic optical demultiplexer/multiplexer formed within a PLC
FI990238A0 (fi) Optinen add/drop-laite
US6396969B1 (en) Distributed optical switching device
KR960705243A (ko) 광 파이버 관리 시스템(optical fibre management system)
DE60130150D1 (de) Photonische signalmatrix in integrierter schaltung
AR243305A1 (es) Amplificador de fibra optica para lineas de telecomunicaciones opticas.
SE9500406D0 (sv) Anordning och förfarande vid en optisk fiber
US4901305A (en) Distributed crossbar switch
EP1233553A3 (de) Vor-Verzweiger zum konditionieren von optischen Signalen in einem optischen Netzwerk
JP2005192138A (ja) 光分岐線路監視システム
KR101021408B1 (ko) 파장분할 다중화 방식 수동형 광 네트워크의 광선로 감시방법
DE59607071D1 (de) Faserverstärker für mehrere Signale mit unterschiedlichen Wellenlängen unter Einsatz eines Wellenlängendemultiplexers und eines Wellenlängenmultiplexers
CA2267779A1 (en) Method and apparatus for combining add/drop optical signal lines from a plurality of branching units
US20030228092A1 (en) Wavelength-selective optical switch

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties