DE69834772D1 - Filterwähler - Google Patents

Filterwähler

Info

Publication number
DE69834772D1
DE69834772D1 DE69834772T DE69834772T DE69834772D1 DE 69834772 D1 DE69834772 D1 DE 69834772D1 DE 69834772 T DE69834772 T DE 69834772T DE 69834772 T DE69834772 T DE 69834772T DE 69834772 D1 DE69834772 D1 DE 69834772D1
Authority
DE
Germany
Prior art keywords
voters
filter
filter voters
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
DE69834772T
Other languages
English (en)
Other versions
DE69834772T2 (de
Inventor
Stephen Patrick Ferguson
Anthony Michael Thorley
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.)
Ericsson AB
Original Assignee
Marconi UK Intellectual Property 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 UK Intellectual Property Ltd filed Critical Marconi UK Intellectual Property Ltd
Application granted granted Critical
Publication of DE69834772D1 publication Critical patent/DE69834772D1/de
Publication of DE69834772T2 publication Critical patent/DE69834772T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
    • G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
    • G02B6/29368—Light guide comprising the filter, e.g. filter deposited on a fibre end
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
    • G02B6/2938—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
    • G02B6/29382—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM including at least adding or dropping a signal, i.e. passing the majority of signals
    • G02B6/29383—Adding and dropping
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
    • G02B6/29395—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device configurable, e.g. tunable or reconfigurable
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
DE69834772T 1997-06-26 1998-03-12 Filterwähler Expired - Lifetime DE69834772T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9713575 1997-06-26
GBGB9713575.0A GB9713575D0 (en) 1997-06-26 1997-06-26 Filter selector

Publications (2)

Publication Number Publication Date
DE69834772D1 true DE69834772D1 (de) 2006-07-20
DE69834772T2 DE69834772T2 (de) 2007-06-14

Family

ID=10814992

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69834772T Expired - Lifetime DE69834772T2 (de) 1997-06-26 1998-03-12 Filterwähler

Country Status (8)

Country Link
US (1) US6181451B1 (de)
EP (1) EP0887964B1 (de)
JP (1) JPH1127239A (de)
CN (1) CN1156097C (de)
AU (1) AU753905B2 (de)
DE (1) DE69834772T2 (de)
GB (2) GB9713575D0 (de)
NO (1) NO981153L (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6507424B2 (en) * 1997-10-24 2003-01-14 Canon Kabushiki Kaisha Optical space communication apparatus
US6320996B1 (en) 1998-12-31 2001-11-20 Optical Coating Laboratory, Inc. Wavelength selective optical switch
US6285508B1 (en) * 1999-06-30 2001-09-04 Radiant Research Inc. Beam splitting ball lens method for its manufacture and apparatus for its packaging
WO2001057570A1 (en) * 2000-02-07 2001-08-09 Corning Incorporated Segmented thin film add/drop switch and multiplexer
US6587608B2 (en) * 2000-11-14 2003-07-01 Chameleon Optics, Inc. Reconfigurable, all optical add/drop nodes using non-interrupting switching apparatus and methods
GB2369896A (en) * 2000-12-06 2002-06-12 Marconi Comm Ltd Tunable optical filter actuator
WO2002075378A2 (en) * 2001-03-17 2002-09-26 Marconi Uk Intellectual Property Ltd Tuneable optical filter arrangement for wavelength division multiplex (wdm) network
US6781757B2 (en) 2001-04-20 2004-08-24 Micron Optics, Inc. Polarization insensitive tunable optical filters
JP3530840B2 (ja) 2001-10-10 2004-05-24 サンテック株式会社 波長可変分波器、波長可変合波器及び波長ルーティング装置
JP3517406B2 (ja) 2001-10-10 2004-04-12 サンテック株式会社 波長可変合分波器及び波長ルーティング装置
AU2003230630A1 (en) * 2002-03-15 2003-09-29 Corning Incorporated Optical filter array and method of use
US6912073B2 (en) 2002-03-15 2005-06-28 Corning Incorporated Optical filter array and method of use
US7268927B2 (en) 2002-03-15 2007-09-11 Corning Incorporated Tunable optical filter array and method of use

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4373782A (en) * 1980-06-03 1983-02-15 Optical Coating Laboratory, Inc. Non-polarizing thin film edge filter
FR2731082B1 (fr) * 1995-02-28 1997-04-04 France Telecom Multiplexeur optique a insertion-extraction utilisant des circulateurs optiques et des reseaux de bragg photoinscrits
US5812291A (en) * 1995-03-22 1998-09-22 Cselt Centro Studi E Laboratori Telecomunicazioni S.P.A. Optical add-drop multiplexer for optical communication networks
US5583683A (en) * 1995-06-15 1996-12-10 Optical Corporation Of America Optical multiplexing device
JPH0933750A (ja) * 1995-07-18 1997-02-07 Nippon Telegr & Teleph Corp <Ntt> 波長多重合分波回路
JP3356365B2 (ja) * 1995-09-19 2002-12-16 ケイディーディーアイ株式会社 光ａｄｍ装置
US5706375A (en) * 1996-09-10 1998-01-06 Jds Fitel Inc. Variable-attenuation tunable optical router
US6020986A (en) * 1997-11-21 2000-02-01 Jds Uniphase Corporation Programmable add-drop module for use in an optical circuit

Also Published As

Publication number Publication date
EP0887964B1 (de) 2006-06-07
GB2326785A (en) 1998-12-30
AU753905B2 (en) 2002-10-31
CN1156097C (zh) 2004-06-30
JPH1127239A (ja) 1999-01-29
CN1204191A (zh) 1999-01-06
GB9805245D0 (en) 1998-05-06
GB2326785B (en) 2002-09-04
DE69834772T2 (de) 2007-06-14
AU5939298A (en) 1999-01-07
GB9713575D0 (en) 1997-09-03
US6181451B1 (en) 2001-01-30
EP0887964A3 (de) 2004-01-21
NO981153D0 (no) 1998-03-16
EP0887964A2 (de) 1998-12-30
NO981153L (no) 1998-12-28

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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: ERICSSON AB, STOCKHOLM, SE

8328 Change in the person/name/address of the agent

Representative=s name: 2K PATENTANWAELTE BLASBERG KEWITZ & REICHEL, PARTN