DE60218325D1 - Optischer filter - Google Patents

Optischer filter

Info

Publication number
DE60218325D1
DE60218325D1 DE60218325T DE60218325T DE60218325D1 DE 60218325 D1 DE60218325 D1 DE 60218325D1 DE 60218325 T DE60218325 T DE 60218325T DE 60218325 T DE60218325 T DE 60218325T DE 60218325 D1 DE60218325 D1 DE 60218325D1
Authority
DE
Germany
Prior art keywords
optical filter
filter
optical
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
DE60218325T
Other languages
English (en)
Other versions
DE60218325T2 (de
Inventor
R M Jenkins
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.)
Qinetiq Ltd
Original Assignee
Qinetiq 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 Qinetiq Ltd filed Critical Qinetiq Ltd
Application granted granted Critical
Publication of DE60218325D1 publication Critical patent/DE60218325D1/de
Publication of DE60218325T2 publication Critical patent/DE60218325T2/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
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
    • 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
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2808—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using a mixing element which evenly distributes an input signal over a number of outputs
    • G02B6/2813—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using a mixing element which evenly distributes an input signal over a number of outputs based on multimode interference effect, i.e. self-imaging

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Integrated Circuits (AREA)
DE60218325T 2001-10-20 2002-10-08 Optischer filter Expired - Lifetime DE60218325T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0125265.9A GB0125265D0 (en) 2001-10-20 2001-10-20 Optical filter
GB0125265 2001-10-20
PCT/GB2002/004551 WO2003036352A2 (en) 2001-10-20 2002-10-08 Optical filter consisting of self-imaging multimode waveguide with apertures

Publications (2)

Publication Number Publication Date
DE60218325D1 true DE60218325D1 (de) 2007-04-05
DE60218325T2 DE60218325T2 (de) 2007-06-21

Family

ID=9924253

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60218325T Expired - Lifetime DE60218325T2 (de) 2001-10-20 2002-10-08 Optischer filter

Country Status (7)

Country Link
US (1) US6973240B2 (de)
EP (1) EP1436657B1 (de)
JP (1) JP4554209B2 (de)
AU (1) AU2002334121A1 (de)
DE (1) DE60218325T2 (de)
GB (1) GB0125265D0 (de)
WO (1) WO2003036352A2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0201950D0 (en) * 2002-01-29 2002-03-13 Qinetiq Ltd Multimode interference optical waveguide device
US8101741B2 (en) * 2005-11-02 2012-01-24 Protiva Biotherapeutics, Inc. Modified siRNA molecules and uses thereof
JP5239530B2 (ja) * 2008-06-16 2013-07-17 日本電気株式会社 半導体光素子およびその製造方法
EP2481155A4 (de) * 2009-09-25 2014-10-29 Telcordia Tech Inc System und verfahren für einen swift-modul-analog/digital-wandler
JP2013041146A (ja) * 2011-08-17 2013-02-28 Tokyo Institute Of Technology 波長選択性多モード干渉導波路デバイス
JP2018194665A (ja) * 2017-05-17 2018-12-06 日本電信電話株式会社 波長分離素子

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5868713A (ja) 1981-10-21 1983-04-23 Nec Corp 光多重分波回路
US4693544A (en) * 1982-12-14 1987-09-15 Nippon Sheet Glass Co., Ltd. Optical branching device with internal waveguide
GB9027657D0 (en) * 1990-12-20 1991-02-13 Secr Defence Optical device
GB9313823D0 (en) * 1993-07-03 1993-08-18 Secr Defence Laser device
US5640474A (en) * 1995-09-29 1997-06-17 The United States Of America As Represented By The Secretary Of The Army Easily manufacturable optical self-imaging waveguide
JP3700988B2 (ja) * 1996-05-23 2005-09-28 日本電信電話株式会社 光波長フィルタ
US5862288A (en) * 1997-04-21 1999-01-19 The United States Of America As Represented By The Secretary Of The Army Self-imaging waveguide devices for wavelength division multiplexing applications
JPH1152149A (ja) * 1997-07-30 1999-02-26 Nippon Telegr & Teleph Corp <Ntt> アレイ導波路格子素子
JP3244115B2 (ja) * 1997-08-18 2002-01-07 日本電気株式会社 半導体レーザー
JP2001183710A (ja) * 1999-12-27 2001-07-06 Kddi Corp 多モード干渉導波路型光スイッチ

Also Published As

Publication number Publication date
EP1436657A2 (de) 2004-07-14
DE60218325T2 (de) 2007-06-21
US6973240B2 (en) 2005-12-06
GB0125265D0 (en) 2001-12-12
WO2003036352A2 (en) 2003-05-01
EP1436657B1 (de) 2007-02-21
WO2003036352A3 (en) 2003-10-30
JP4554209B2 (ja) 2010-09-29
US20040240775A1 (en) 2004-12-02
AU2002334121A1 (en) 2003-05-06
JP2005506572A (ja) 2005-03-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition