NO20001643L - Kommunikasjonssystem - Google Patents

Kommunikasjonssystem

Info

Publication number
NO20001643L
NO20001643L NO20001643A NO20001643A NO20001643L NO 20001643 L NO20001643 L NO 20001643L NO 20001643 A NO20001643 A NO 20001643A NO 20001643 A NO20001643 A NO 20001643A NO 20001643 L NO20001643 L NO 20001643L
Authority
NO
Norway
Prior art keywords
channels
amount
reflect
optical
incoming
Prior art date
Application number
NO20001643A
Other languages
English (en)
Other versions
NO20001643D0 (no
Inventor
Robert Charles Goodfellow
Original Assignee
Marconi Comm 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 Marconi Comm Ltd filed Critical Marconi Comm Ltd
Publication of NO20001643D0 publication Critical patent/NO20001643D0/no
Publication of NO20001643L publication Critical patent/NO20001643L/no

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
    • H04J14/0209—Multi-stage arrangements, e.g. by cascading multiplexers or demultiplexers
    • 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]

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)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Small-Scale Networks (AREA)

Abstract

Et optisk svitsjeutstyr, f.eks. en innsettende/utfellende multiplekser eller svitsj, for å motta et inngangssignal med flere innkommende, bølgelengdekodede optiske kanaler, idet svitsjeutstyret omfatter velgerutstyr for ved valg blant mengden av innkommende optiske kanaler å danne flere utgangssignaler som omfatter utvalgte kanaler blant mengden av innkommende optiske kanaler, hvor kombinasjonen av innkommende optiske kanaler i et hvilket som helst i mengden av utgangssignaler er forskjellig fra kombinasjonen av innkommende optiske kanaler i inngangssignalet. Velgerutstyret omfatter flere selektive reflekterer for selektivt å reflektere optiske kanaler valgt ut fra mengden av innkommen- de optiske kanaler, idet mengden av selektive reflekterer er anordnet for selektivt å reflektere hver av de innkommende optiske kanaler som er valgt ut for å danne mengden av utgangssignaler. Mengden av selektive reflekterer omfatter et første sett selektive reflekterer for å overføre et første sett utvalgte, optiske inngangssignaler og reflektere et andre sett utvalgte, optiske inngangskanaler, og et andre sett selektive reflekterer for å reflektere det første sett utvalgte, optiske inngangskanaler og overføre det andre sett utvalgte, optiske inngangskanaler.
NO20001643A 1999-04-01 2000-03-29 Kommunikasjonssystem NO20001643L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9907577A GB2348557B (en) 1999-04-01 1999-04-01 Communications system

Publications (2)

Publication Number Publication Date
NO20001643D0 NO20001643D0 (no) 2000-03-29
NO20001643L true NO20001643L (no) 2000-10-02

Family

ID=10850841

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20001643A NO20001643L (no) 1999-04-01 2000-03-29 Kommunikasjonssystem

Country Status (8)

Country Link
US (1) US6529302B1 (no)
EP (1) EP1041762A3 (no)
JP (1) JP2000332685A (no)
CN (2) CN1279542A (no)
AU (1) AU2523100A (no)
GB (1) GB2348557B (no)
NO (1) NO20001643L (no)
RU (1) RU2000108015A (no)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002011336A1 (en) * 2000-07-29 2002-02-07 Marconi Communications Limited Wavelength division multiplex (wdm) optical network
AUPR622101A0 (en) * 2001-07-06 2001-08-02 University Of Melbourne, The Optical amplifier and/or add/drop structure
GB0126168D0 (en) 2001-10-31 2002-01-02 Cit Alcatel A branching unit
CN102088643A (zh) * 2009-12-03 2011-06-08 中兴通讯股份有限公司 光选择路由器

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1109751B (it) * 1978-01-31 1985-12-23 Nippon Telegraph & Telephone Moltiplatore e demultiplatore ottico
WO1996019743A1 (en) * 1994-12-21 1996-06-27 E-Tek Dynamics, Inc. Integrable fiberoptic coupler and resulting devices and systems
FR2736480B1 (fr) * 1995-07-05 1997-09-19 France Telecom Disposif de coloration de signaux optiques
DE69620414T2 (de) * 1995-08-04 2002-11-14 Alcatel, Paris Optischer einfügungs- und abtrennmultiplexer
CN1197562A (zh) * 1995-08-04 1998-10-28 阿尔卡塔尔-阿尔斯托姆通用电气公司 用于光纤网络的信号路由
JP3329655B2 (ja) * 1996-03-04 2002-09-30 ケイディーディーアイ株式会社 光ａｄｍ装置
US5748349A (en) * 1996-03-27 1998-05-05 Ciena Corp. Gratings-based optical add-drop multiplexers for WDM optical communication system
US5721796A (en) * 1996-06-21 1998-02-24 Lucent Technologies Inc. Optical fiber cross connect with active routing for wavelength multiplexing and demultiplexing
JPH1032562A (ja) * 1996-07-16 1998-02-03 Fujitsu Ltd 光アッド／ドロップ回路
IT1283372B1 (it) * 1996-07-31 1998-04-17 Pirelli Cavi S P A Ora Pirelli Dispositivo per l'inserimento e l'estrazione di segnali ottici
US5841918A (en) * 1996-08-26 1998-11-24 Jds Fitel Inc. Wavelength and bandwidth tunable optical system
US6256428B1 (en) * 1999-02-19 2001-07-03 Corning Incorporated Cascading of tunable optical filter elements
CA2241707C (en) * 1998-06-26 2002-04-02 Mark Farries Optical drop circuit having group delay compensation
US6348984B1 (en) * 1998-11-05 2002-02-19 Ciena Corporation Optical add/drop multiplexer

Also Published As

Publication number Publication date
EP1041762A2 (en) 2000-10-04
NO20001643D0 (no) 2000-03-29
CN1279542A (zh) 2001-01-10
US6529302B1 (en) 2003-03-04
AU2523100A (en) 2000-10-05
GB9907577D0 (en) 1999-05-26
GB2348557B (en) 2002-03-13
JP2000332685A (ja) 2000-11-30
GB2348557A (en) 2000-10-04
CN101286813A (zh) 2008-10-15
EP1041762A3 (en) 2005-10-19
RU2000108015A (ru) 2002-01-20
HK1028686A1 (en) 2001-02-23

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