DE69612983D1 - Verbesserungen an optischen einlieferungs- und abtrennwellenlängenmultiplexsystemen - Google Patents

Verbesserungen an optischen einlieferungs- und abtrennwellenlängenmultiplexsystemen

Info

Publication number
DE69612983D1
DE69612983D1 DE69612983T DE69612983T DE69612983D1 DE 69612983 D1 DE69612983 D1 DE 69612983D1 DE 69612983 T DE69612983 T DE 69612983T DE 69612983 T DE69612983 T DE 69612983T DE 69612983 D1 DE69612983 D1 DE 69612983D1
Authority
DE
Germany
Prior art keywords
optical delivery
wavelength multiplex
multiplex systems
separating wavelength
separating
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
DE69612983T
Other languages
English (en)
Other versions
DE69612983T2 (de
Inventor
Peter Jones
James Wall
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
Application filed by Alcatel SA filed Critical Alcatel SA
Publication of DE69612983D1 publication Critical patent/DE69612983D1/de
Application granted granted Critical
Publication of DE69612983T2 publication Critical patent/DE69612983T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
DE69612983T 1995-08-04 1996-08-02 Verbesserungen an optischen einlieferungs- und abtrennwellenlängenmultiplexsystemen Expired - Fee Related DE69612983T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9516017.2A GB9516017D0 (en) 1995-08-04 1995-08-04 Optical level control in wavelength add-drop multiplexing branching units
PCT/GB1996/001884 WO1997006616A1 (en) 1995-08-04 1996-08-02 Improvements in or relating to optical add/drop wavelength division multiplex systems

Publications (2)

Publication Number Publication Date
DE69612983D1 true DE69612983D1 (de) 2001-06-28
DE69612983T2 DE69612983T2 (de) 2002-01-17

Family

ID=10778778

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69612983T Expired - Fee Related DE69612983T2 (de) 1995-08-04 1996-08-02 Verbesserungen an optischen einlieferungs- und abtrennwellenlängenmultiplexsystemen

Country Status (9)

Country Link
US (1) US6208441B1 (de)
EP (1) EP0842575B1 (de)
JP (1) JP3657994B2 (de)
CN (1) CN1197563A (de)
CA (1) CA2225469A1 (de)
DE (1) DE69612983T2 (de)
DK (1) DK0842575T3 (de)
GB (1) GB9516017D0 (de)
WO (1) WO1997006616A1 (de)

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SE519255C2 (sv) * 1997-04-30 2003-02-04 Ericsson Telefon Ab L M ADD/Drop-nod för WDM med låg förlust
SE509807C2 (sv) * 1997-05-15 1999-03-08 Ericsson Telefon Ab L M Anordning vid add/drop-nod i ett väglängds- multiplexerat optiskt kommunikationssystem.
US6631018B1 (en) 1997-08-27 2003-10-07 Nortel Networks Limited WDM optical network with passive pass-through at each node
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US6091869A (en) * 1998-04-30 2000-07-18 Telefonaktiebolaget Lm Ericsson Low loss, optical add/drop WDM node
US6597830B1 (en) * 1998-07-01 2003-07-22 Nec Corporation Matrix optical switch and optical ADM
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AU5445300A (en) 1999-05-25 2000-12-12 Cirrex Corporation Optical feedback assembly
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US6449068B1 (en) * 2000-03-06 2002-09-10 Lightchip, Inc. Optical power managed network node for processing dense wavelength division multiplexed optical signals
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US7120359B2 (en) * 2000-05-22 2006-10-10 Opvista Incorporated Broadcast and select all optical network
US7499647B2 (en) * 2000-05-22 2009-03-03 Opvista Incorporated Fully protected broadcast and select all optical network
GB0013366D0 (en) * 2000-06-01 2000-07-26 Vipswitch Inc Optical communicator
FR2812485B1 (fr) * 2000-07-27 2005-04-08 Sagem Procede de regulation de puissance de longueurs d'ondes entrantes injectees dans un signal optique module
US6788899B2 (en) * 2000-09-11 2004-09-07 Winston I. Way Dynamic wavelength add/drop multiplexer for UDWDM optical communication system
US6721509B2 (en) * 2000-12-05 2004-04-13 Avanex Corporation Self-adjusting optical add-drop multiplexer and optical networks using same
US6567579B2 (en) * 2000-12-15 2003-05-20 Alcatel Multi-channel, multi-mode redundant optical local loop having a bus topology
US6885825B2 (en) 2001-02-06 2005-04-26 Ciena Corporation Power balanced optical add/drop multiplexer and power balancing methods therefore
US6904241B2 (en) 2001-02-06 2005-06-07 Ciena Corporation Power balanced optical add multiplexer and power balancing methods therefore
WO2002063811A2 (en) * 2001-02-06 2002-08-15 Ciena Corporation Power balanced optical add/drop multiplexer and power balancing methods therefore
US6871020B1 (en) * 2001-04-03 2005-03-22 At&T Corp. Power spectrum monitoring and management in a wavelength division multiplexed network
US6661946B2 (en) * 2001-07-09 2003-12-09 Lucent Technologies Inc. Method of controlling optical signal power at an add/drop node in a WDM optical communication system
US7444079B2 (en) * 2001-10-12 2008-10-28 International Business Machines Corporation Optical power control monitor for multiple wavelength fiber-optic networks
DE60218625T2 (de) * 2002-02-11 2007-06-28 Alcatel Lucent Schutzverfahren und Schnittstelle für fiberoptische Systeme
KR100478508B1 (ko) * 2002-08-29 2005-03-28 한국전자통신연구원 광신호 삽입/추출장치
EP1450507A1 (de) * 2003-01-31 2004-08-25 Corning Incorporated Optische Übertragungsnetze und Verfahren, und Gebrauch von Lichtquellen um die optische Übertragungsnetze zu kontrollieren
FR2851097B1 (fr) * 2003-02-11 2005-04-29 Cit Alcatel Unite de branchement integrable dans un systeme sous-marin de telecommunications, un tel systeme sous-marin de telecommunications et procede de reconfiguration d'un tel systeme sous-marin de telecommunications
US7151875B2 (en) * 2003-08-11 2006-12-19 General Instrument Corporation Method and apparatus for balancing the power of optical channels traversing an optical add drop multiplexer
US7901870B1 (en) 2004-05-12 2011-03-08 Cirrex Systems Llc Adjusting optical properties of optical thin films
WO2006002080A2 (en) * 2004-06-15 2006-01-05 Opvista Incorporated Optical communication using duobinary modulation
US7565084B1 (en) 2004-09-15 2009-07-21 Wach Michael L Robustly stabilizing laser systems
CN100573168C (zh) * 2005-04-21 2009-12-23 鸿富锦精密工业（深圳）有限公司 测试计算机面板发光二极管灯及其连接线的系统及方法
US20060275035A1 (en) * 2005-05-02 2006-12-07 Way Winston I Multiple interconnected broadcast and select optical ring networks with revertible protection switch
WO2007044939A2 (en) * 2005-10-13 2007-04-19 Opvista Incorporated Optical ring networks using circulating optical probe in protection switching with automatic reversion
US20080181612A1 (en) * 2007-01-29 2008-07-31 Bti Photonic Systems Inc. Method and system for wavelength division multiplex optical signal combining
US7773883B1 (en) 2007-05-04 2010-08-10 Vello Systems, Inc. Single-fiber optical ring networks based on optical double sideband modulation
WO2009012409A2 (en) 2007-07-17 2009-01-22 Opvista Incorporated Optical ring networks having node-to-node optical communication channels for carrying data traffic
EP2430779B1 (de) * 2009-05-14 2018-10-17 Tyco Electronics Subsea Communications Llc Verzweigungskonfiguration mit separater verzweigungseinheit und filtereinheit mit vorgegebener wellenlänge sowie system und verfahren damit
CN101957476B (zh) * 2009-07-21 2013-01-23 华为海洋网络有限公司 光分插复用器水下光分路器及其对应的光传输方法和系统
US8401391B2 (en) * 2009-12-08 2013-03-19 Tyco Electronics Subsea Communications Llc Channel power management in a branched optical communication system
US8744262B2 (en) 2009-12-08 2014-06-03 Vello Systems, Inc. Optical subchannel routing, protection switching and security
US8705741B2 (en) * 2010-02-22 2014-04-22 Vello Systems, Inc. Subchannel security at the optical layer
US8542999B2 (en) 2011-02-01 2013-09-24 Vello Systems, Inc. Minimizing bandwidth narrowing penalties in a wavelength selective switch optical network
US9077473B2 (en) * 2013-01-04 2015-07-07 Telefonaktiebolaget L M Ericsson (Publ) Optical network apparatus for self-seeded communications
EP3089382B1 (de) * 2013-12-25 2018-11-21 Huawei Marine Networks Co., Limited Einheit zur optischen abzweigung für optisches add-drop-multiplexen
US9735914B2 (en) * 2014-07-25 2017-08-15 Nec Corporation Mechanism for traffic privacy in reconfigurable add/drop multiplexer based submarine networks
CN116101190A (zh) 2016-06-24 2023-05-12 矢崎总业株式会社 车辆电路体
US11664921B2 (en) 2021-11-04 2023-05-30 Ciena Corporation Rapid node insertion into or removal from a photonic network

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JP2616293B2 (ja) * 1991-08-29 1997-06-04 日本電気株式会社 光ファイバ増幅器
JP2707892B2 (ja) * 1991-10-18 1998-02-04 日本電気株式会社 光波長分割多重方式
US5225922A (en) 1991-11-21 1993-07-06 At&T Bell Laboratories Optical transmission system equalizer
FR2715017B1 (fr) * 1994-01-13 1996-02-16 Alcatel Nv Procédé de transmission et liaison optique à multiplexage spectral avec amplification.
JP2985780B2 (ja) * 1996-07-05 1999-12-06 日本電気株式会社 波長クロスコネクト装置
US5867289A (en) * 1996-12-24 1999-02-02 International Business Machines Corporation Fault detection for all-optical add-drop multiplexer
US5915051A (en) * 1997-01-21 1999-06-22 Massascusetts Institute Of Technology Wavelength-selective optical add/drop switch
US5959749A (en) * 1998-05-20 1999-09-28 Nortel Networks Corporation Optical add/drop multiplexer/demultiplexer

Also Published As

Publication number Publication date
JP3657994B2 (ja) 2005-06-08
DE69612983T2 (de) 2002-01-17
DK0842575T3 (da) 2001-08-27
CA2225469A1 (en) 1997-02-20
US6208441B1 (en) 2001-03-27
CN1197563A (zh) 1998-10-28
WO1997006616A1 (en) 1997-02-20
GB9516017D0 (en) 1995-10-04
EP0842575B1 (de) 2001-05-23
JPH11510346A (ja) 1999-09-07
EP0842575A1 (de) 1998-05-20

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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

8339 Ceased/non-payment of the annual fee