DE60018849T2 - Polarisationsunabhängiger Lichtschalter auf der Basis von Flüssigkristallwellenleitern - Google Patents

Polarisationsunabhängiger Lichtschalter auf der Basis von Flüssigkristallwellenleitern Download PDF

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Publication number
DE60018849T2
DE60018849T2 DE60018849T DE60018849T DE60018849T2 DE 60018849 T2 DE60018849 T2 DE 60018849T2 DE 60018849 T DE60018849 T DE 60018849T DE 60018849 T DE60018849 T DE 60018849T DE 60018849 T2 DE60018849 T2 DE 60018849T2
Authority
DE
Germany
Prior art keywords
light signal
polarization
light
waveguide
liquid crystal
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
DE60018849T
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German (de)
English (en)
Other versions
DE60018849D1 (de
Inventor
V. Sorin Mountain View Wayne
M. Baney Los Altos Douglas
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.)
Avago Technologies International Sales Pte Ltd
Original Assignee
Agilent Technologies Inc
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 Agilent Technologies Inc filed Critical Agilent Technologies Inc
Application granted granted Critical
Publication of DE60018849D1 publication Critical patent/DE60018849D1/de
Publication of DE60018849T2 publication Critical patent/DE60018849T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1326—Liquid crystal optical waveguides or liquid crystal cells specially adapted for gating or modulating between optical waveguides
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2203/00—Function characteristic
    • G02F2203/06—Polarisation independent

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
DE60018849T 1999-06-16 2000-05-30 Polarisationsunabhängiger Lichtschalter auf der Basis von Flüssigkristallwellenleitern Expired - Lifetime DE60018849T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US334483 1999-06-16
US09/334,483 US6208774B1 (en) 1999-06-16 1999-06-16 Polarization independent light switching device based on liquid crystals

Publications (2)

Publication Number Publication Date
DE60018849D1 DE60018849D1 (de) 2005-04-28
DE60018849T2 true DE60018849T2 (de) 2006-03-23

Family

ID=23307422

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60018849T Expired - Lifetime DE60018849T2 (de) 1999-06-16 2000-05-30 Polarisationsunabhängiger Lichtschalter auf der Basis von Flüssigkristallwellenleitern

Country Status (4)

Country Link
US (1) US6208774B1 (enExample)
EP (1) EP1061406B1 (enExample)
JP (1) JP2001013471A (enExample)
DE (1) DE60018849T2 (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6559921B1 (en) 1999-11-01 2003-05-06 Corning Incorporated Liquid crystal planar non-blocking NxN cross-connect
US6466704B1 (en) * 2000-09-13 2002-10-15 Nortel Networks (Photonics) Pty Ltd. Optical filtering method and device
US6470105B2 (en) * 2001-01-05 2002-10-22 Agilent Technologies, Inc. Bistable light path device
US6697550B2 (en) 2001-10-24 2004-02-24 Renka Corporation Fast 1×N fiber-optic switch
JP4367684B2 (ja) * 2002-05-15 2009-11-18 シチズンホールディングス株式会社 ダイナミックゲインイコライザ
CN1322355C (zh) * 2002-09-27 2007-06-20 Jds尤尼费斯公司 波长选择性激光分束器
US7298428B1 (en) * 2003-01-10 2007-11-20 Avanex Corporation Liquid crystal device and method for optical performance monitoring in fiber optic communication systems
US20040184696A1 (en) * 2003-03-18 2004-09-23 Cheng-Hsi Miao Integrated variable optical power splitter
US20060232762A1 (en) * 2005-04-15 2006-10-19 Specialty Minerals (Michigan) Inc. Optical element, measuring apparatus and measuring method
US20060232763A1 (en) * 2005-04-15 2006-10-19 Specialty Minerals (Michigan) Inc. Optical element, measuring apparatus and measuring method
US7259838B2 (en) * 2005-06-17 2007-08-21 Specialty Minerals (Michigan) Inc. Optical beam separation element, measuring apparatus and method of measuring
US7564509B2 (en) * 2006-07-13 2009-07-21 Cairn Research Limited Illumination of objects using spatial light modulators
JP5023707B2 (ja) * 2007-01-15 2012-09-12 株式会社ニコン チューナブルフィルタ、光源装置、及びスペクトル分布測定装置
EP2157472B1 (en) * 2007-05-31 2019-10-30 Nikon Corporation Tunable filter, light source device and spectrum distribution measuring device
CN109521529A (zh) * 2017-09-19 2019-03-26 香港理工大学深圳研究院 一种光开关及光交叉互连器件

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57142622A (en) * 1981-02-27 1982-09-03 Nippon Telegr & Teleph Corp <Ntt> Photoswitch
JPS6138934A (ja) * 1984-07-30 1986-02-25 Yamaichi Electric Mfg Co Ltd 光路切換器
JPH01136116A (ja) * 1987-11-24 1989-05-29 Nec Corp 可変波長フィルタ
US5251058A (en) * 1989-10-13 1993-10-05 Xerox Corporation Multiple beam exposure control
US5044712A (en) * 1990-06-29 1991-09-03 The United States Of America As Represented By The Secretary Of The Air Force Waveguided electrooptic switches using ferroelectric liquid crystals
JPH05323265A (ja) * 1992-05-25 1993-12-07 Nippon Telegr & Teleph Corp <Ntt> 偏波無依存型波長可変フィルタ
JPH06148692A (ja) * 1992-11-02 1994-05-27 Nippon Telegr & Teleph Corp <Ntt> 波長可変液晶光フィルタ
JP3149120B2 (ja) * 1994-06-15 2001-03-26 日本電信電話株式会社 可変波長光フィルタ
NL1003198C2 (nl) * 1995-07-07 1997-11-25 Nederland Ptt Polarisatie-onafhankelijke optische inrichting.
JPH0961771A (ja) * 1995-08-24 1997-03-07 Toshiba Corp 偏波スクランブル装置
US5724165A (en) * 1996-07-23 1998-03-03 Macro-Vision Communications, L.L.C. Fault-tolerant optical routing switch
JPH10221655A (ja) * 1997-02-03 1998-08-21 Yazaki Corp 光学装置並びに光スイッチ装置、及びこれらに用いられる制御方法
JPH1138451A (ja) * 1997-07-16 1999-02-12 Nippon Telegr & Teleph Corp <Ntt> 薄型電界制御複屈折型液晶素子及び光導波路型光変調素子
WO1999009440A1 (en) * 1997-08-13 1999-02-25 Foster-Miller, Inc. Switchable optical components

Also Published As

Publication number Publication date
EP1061406A2 (en) 2000-12-20
US6208774B1 (en) 2001-03-27
EP1061406A3 (en) 2004-01-28
JP2001013471A (ja) 2001-01-19
DE60018849D1 (de) 2005-04-28
EP1061406B1 (en) 2005-03-23

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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: AVAGO TECHNOLOGIES GENERAL IP ( SINGAPORE) PTE. LT

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

Representative=s name: DILG HAEUSLER SCHINDELMANN PATENTANWALTSGESELLSCHA