DE69635054D1 - Signalleitschaltung für lichtwellenleiternetze - Google Patents

Signalleitschaltung für lichtwellenleiternetze

Info

Publication number
DE69635054D1
DE69635054D1 DE69635054T DE69635054T DE69635054D1 DE 69635054 D1 DE69635054 D1 DE 69635054D1 DE 69635054 T DE69635054 T DE 69635054T DE 69635054 T DE69635054 T DE 69635054T DE 69635054 D1 DE69635054 D1 DE 69635054D1
Authority
DE
Germany
Prior art keywords
signals
branching unit
switches
outputs
designated
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 - Lifetime
Application number
DE69635054T
Other languages
English (en)
Other versions
DE69635054T2 (de
Inventor
Peter Jones
James Kendrick
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel SA
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 Alcatel SA filed Critical Alcatel SA
Publication of DE69635054D1 publication Critical patent/DE69635054D1/de
Application granted granted Critical
Publication of DE69635054T2 publication Critical patent/DE69635054T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
DE69635054T 1995-08-04 1996-08-02 Signalleitschaltung für lichtwellenleiternetze Expired - Lifetime DE69635054T2 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GB9516048 1995-08-04
GBGB9516048.7A GB9516048D0 (en) 1995-08-04 1995-08-04 Switch configurations for active (switched) branching units
GB9526219 1995-12-21
GBGB9526219.2A GB9526219D0 (en) 1995-12-21 1995-12-21 Wavelength routing element to provide 2n wavelength routing options
GB9600814 1996-01-16
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 (2)

Publication Number Publication Date
DE69635054D1 true DE69635054D1 (de) 2005-09-15
DE69635054T2 DE69635054T2 (de) 2006-06-01

Family

ID=27267845

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69635054T Expired - Lifetime DE69635054T2 (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 (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB2311430B (en) * 1995-08-24 1998-02-25 Mitsubishi Electric Corp Wavelength multiplexed light transfer unit and wavelength multiplexed light transfer system
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
US7623789B2 (en) * 2001-04-11 2009-11-24 Transmode Holding 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

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
DE69620414T2 (de) * 1995-08-04 2002-11-14 Alcatel Sa Optischer einfügungs- und abtrennmultiplexer
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
EP0842576B1 (de) 2005-08-10
CA2225468A1 (en) 1997-02-20
JPH11513206A (ja) 1999-11-09
JP3888471B2 (ja) 2007-03-07
US6281998B1 (en) 2001-08-28
ATE301892T1 (de) 2005-08-15
CN1197562A (zh) 1998-10-28
WO1997006617A1 (en) 1997-02-20
EP0842576A1 (de) 1998-05-20
DE69635054T2 (de) 2006-06-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ALCATEL LUCENT, PARIS, FR