DE60225290D1 - Optische filterung durch verwendung eines add/drop-knotens - Google Patents

Optische filterung durch verwendung eines add/drop-knotens

Info

Publication number
DE60225290D1
DE60225290D1 DE60225290T DE60225290T DE60225290D1 DE 60225290 D1 DE60225290 D1 DE 60225290D1 DE 60225290 T DE60225290 T DE 60225290T DE 60225290 T DE60225290 T DE 60225290T DE 60225290 D1 DE60225290 D1 DE 60225290D1
Authority
DE
Germany
Prior art keywords
node
signal channel
signal
signals
filter
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
DE60225290T
Other languages
English (en)
Other versions
DE60225290T2 (de
Inventor
Ulf Persson
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.)
Transmode Holding AB
Original Assignee
Transmode Holding AB
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 Transmode Holding AB filed Critical Transmode Holding AB
Publication of DE60225290D1 publication Critical patent/DE60225290D1/de
Application granted granted Critical
Publication of DE60225290T2 publication Critical patent/DE60225290T2/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
    • H04J14/0278—WDM optical network architectures
    • H04J14/0283—WDM ring 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
    • H04J14/0206—Express channels arrangements
    • 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
    • H04J14/0202—Arrangements therefor
    • H04J14/0213—Groups of channels or wave bands arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
DE60225290T 2001-07-16 2002-07-05 Optische filterung durch verwendung eines add/drop-knotens Expired - Lifetime DE60225290T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0102541A SE520983C2 (sv) 2001-07-16 2001-07-16 Optisk filtrering
SE0102541 2001-07-16
PCT/SE2002/001352 WO2003009510A1 (en) 2001-07-16 2002-07-05 Optical filtering by using an add-drop node

Publications (2)

Publication Number Publication Date
DE60225290D1 true DE60225290D1 (de) 2008-04-10
DE60225290T2 DE60225290T2 (de) 2009-03-26

Family

ID=20284870

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60225290T Expired - Lifetime DE60225290T2 (de) 2001-07-16 2002-07-05 Optische filterung durch verwendung eines add/drop-knotens

Country Status (6)

Country Link
US (1) US7113662B2 (de)
EP (1) EP1407567B1 (de)
AT (1) ATE387766T1 (de)
DE (1) DE60225290T2 (de)
SE (1) SE520983C2 (de)
WO (1) WO2003009510A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040099921A (ko) * 2003-05-20 2004-12-02 삼성전자주식회사 재구성 가능한 애드/드롭 모듈
JP4587792B2 (ja) * 2004-11-30 2010-11-24 富士通株式会社 リング状光伝送システムおよびこれに接続される光装置
US8023821B1 (en) * 2007-06-29 2011-09-20 At&T Intellectual Property Ii, L.P. Low cost network architecture using thin optical transport layer
US8693880B2 (en) * 2008-05-26 2014-04-08 Nec Corporation Wavelength path communication node apparatus, wavelength path communication control method, and recording medium
WO2009152860A1 (en) * 2008-06-19 2009-12-23 Nokia Siemens Networks Oy Wavelength division multiplex terminal with automatic configuration and supervision of switch connections
WO2012154958A1 (en) 2011-05-10 2012-11-15 Invensys Systems, Inc. Multi-drop optical communication
US10630413B2 (en) * 2016-05-25 2020-04-21 Huawei Technologies Co., Ltd. Optical communications system with centralized wavelength source
GB201716944D0 (en) * 2017-10-16 2017-11-29 Purelifi Ltd Security shutter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5303078A (en) * 1990-12-18 1994-04-12 Bell Communications Research, Inc. Apparatus and method for large scale ATM switching
FR2731280B1 (fr) * 1995-03-03 1997-04-04 Hamel Andre Multiplexeur optique a insertion-extraction a haute isolation
GB9617396D0 (en) * 1996-08-19 1996-10-02 Stc Submarine Systems Ltd Improvements in or relating to optical add/drop wavelength division multiplex systems
US5915051A (en) * 1997-01-21 1999-06-22 Massascusetts Institute Of Technology Wavelength-selective optical add/drop switch
US6631018B1 (en) 1997-08-27 2003-10-07 Nortel Networks Limited WDM optical network with passive pass-through at each node
US6466341B1 (en) * 1998-08-03 2002-10-15 Agere Systems Guardian Corp. Add/drop filter for a multi-wavelength lightwave system
US6219474B1 (en) * 1999-03-24 2001-04-17 E-Tek Dynamics Configurable optical add/drop device
US6559988B1 (en) 1999-12-16 2003-05-06 Lucent Technologies Inc. Optical wavelength add/drop multiplexer for dual signal transmission rates

Also Published As

Publication number Publication date
EP1407567A1 (de) 2004-04-14
SE0102541L (sv) 2003-01-17
US20040234194A1 (en) 2004-11-25
DE60225290T2 (de) 2009-03-26
SE520983C2 (sv) 2003-09-16
SE0102541D0 (sv) 2001-07-16
WO2003009510A1 (en) 2003-01-30
EP1407567B1 (de) 2008-02-27
US7113662B2 (en) 2006-09-26
ATE387766T1 (de) 2008-03-15

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