DE69230087D1 - Räumliche optische Vermittlungsvorrichtung - Google Patents

Räumliche optische Vermittlungsvorrichtung

Info

Publication number
DE69230087D1
DE69230087D1 DE69230087T DE69230087T DE69230087D1 DE 69230087 D1 DE69230087 D1 DE 69230087D1 DE 69230087 T DE69230087 T DE 69230087T DE 69230087 T DE69230087 T DE 69230087T DE 69230087 D1 DE69230087 D1 DE 69230087D1
Authority
DE
Germany
Prior art keywords
switching device
optical switching
spatial optical
spatial
switching
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 - Fee Related
Application number
DE69230087T
Other languages
English (en)
Other versions
DE69230087T2 (de
Inventor
Masayuki Kato
Hiroyasu Ito
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69230087D1 publication Critical patent/DE69230087D1/de
Publication of DE69230087T2 publication Critical patent/DE69230087T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • 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
    • G02F1/1313—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 specially adapted for a particular application
    • 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
    • G02F1/29—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 position or the direction of light beams, i.e. deflection
    • G02F1/31—Digital deflection, i.e. optical switching
    • G02F1/311—Cascade arrangement of plural switches
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/30—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating
    • G02F2201/305—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating diffraction grating
    • 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
    • G02F2203/07—Polarisation dependent
    • 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
    • G02F2203/24—Function characteristic beam steering
    • 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
    • G02F3/00—Optical logic elements; Optical bistable devices
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H1/024—Hologram nature or properties
    • G03H1/0248—Volume holograms
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G03H2001/2605—Arrangement of the sub-holograms, e.g. partial overlapping
    • G03H2001/261—Arrangement of the sub-holograms, e.g. partial overlapping in optical contact
    • G03H2001/2615—Arrangement of the sub-holograms, e.g. partial overlapping in optical contact in physical contact, i.e. layered holograms
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2222/00—Light sources or light beam properties
    • G03H2222/31—Polarised light
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0052—Interconnection of switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (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)
DE69230087T 1991-07-17 1992-07-15 Räumliche optische Vermittlungsvorrichtung Expired - Fee Related DE69230087T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20239391 1991-07-17
JP20239291 1991-07-17

Publications (2)

Publication Number Publication Date
DE69230087D1 true DE69230087D1 (de) 1999-11-11
DE69230087T2 DE69230087T2 (de) 2000-02-24

Family

ID=26513346

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69230087T Expired - Fee Related DE69230087T2 (de) 1991-07-17 1992-07-15 Räumliche optische Vermittlungsvorrichtung

Country Status (3)

Country Link
US (2) US5430561A (de)
EP (1) EP0525515B1 (de)
DE (1) DE69230087T2 (de)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5877876A (en) * 1992-10-09 1999-03-02 Apeldyn Corporation Diffractive optical switch with polarizing beam splitters
JP3273583B2 (ja) * 1993-07-28 2002-04-08 日本電信電話株式会社 液晶マイクロプリズムアレイ及びそれを用いた空間光ビーム接続器と光スイッチ
US5566024A (en) * 1993-12-23 1996-10-15 Xerox Corporation Beam separation control and beam splitting by single blazed binary diffraction optical element
JP3395339B2 (ja) * 1994-03-31 2003-04-14 ソニー・プレシジョン・テクノロジー株式会社 定点検出装置
US6437762B1 (en) * 1995-01-11 2002-08-20 William A. Birdwell Dynamic diffractive optical transform
US6072923A (en) * 1996-04-30 2000-06-06 Wavefront Research, Inc. Optical switching, routing, and time delay systems using switched mirrors
US6585382B1 (en) 1996-04-30 2003-07-01 Agilent Technologies, Inc. Optical systems using switched mirrors
US6570684B1 (en) 1996-04-30 2003-05-27 Agilent Technologies, Inc. Optical routing/switching systems
US5692077A (en) * 1996-04-30 1997-11-25 Wavefront Research, Inc. Optical time shifter and routing system
US6504841B1 (en) * 1998-04-06 2003-01-07 Lockheed Martin Corporation Three-dimensional interconnection geometries for multi-stage switching networks using flexible ribbon cable connection between multiple planes
US6449073B1 (en) 1998-07-21 2002-09-10 Corvis Corporation Optical communication system
US7130540B2 (en) * 1998-07-21 2006-10-31 Corvis Corporation Optical transmission systems, devices, and methods
US6169594B1 (en) 1998-08-24 2001-01-02 Physical Optics Corporation Beam deflector and scanner
JP2000235199A (ja) 1999-02-15 2000-08-29 Oki Electric Ind Co Ltd 光スイッチ
US6771905B1 (en) 1999-06-07 2004-08-03 Corvis Corporation Optical transmission systems including optical switching devices, control apparatuses, and methods
US6259831B1 (en) * 1999-06-29 2001-07-10 Reveo, Inc. All-optical interconnect utilizing polarization gates
US6735016B1 (en) 1999-09-15 2004-05-11 Spectraswitch, Inc. Electro-optically controllable polarization insensitive optical device
US7003187B2 (en) 2000-08-07 2006-02-21 Rosemount Inc. Optical switch with moveable holographic optical element
US6810176B2 (en) 2000-08-07 2004-10-26 Rosemount Inc. Integrated transparent substrate and diffractive optical element
US7024070B2 (en) * 2000-09-20 2006-04-04 Spivey Brett A Electronic fiber optic switch with optical interconnect
IL138895A (en) * 2000-10-05 2005-08-31 Elop Electrooptics Ind Ltd Optical switching devices
WO2002060100A2 (en) * 2001-01-26 2002-08-01 Trellis Photonics Ltd. Method and system for switching and routing, while logically managing and controlling, multichannel optical signals
US7174067B2 (en) * 2001-12-06 2007-02-06 Florida Institute Of Technology Method and apparatus for spatial domain multiplexing in optical fiber communications
US7177301B2 (en) * 2001-12-27 2007-02-13 Intel Corporation Signal permuting
DE10392348T5 (de) * 2002-03-01 2005-03-03 Rosemount Inc., Eden Prairie Optischer Schalter mit 3D-Wellenleitern
US20030175030A1 (en) * 2002-03-18 2003-09-18 Shuqiang Chen Re-configurable optical add/drop multiplexer module and method
JP2003302514A (ja) * 2002-04-09 2003-10-24 Ricoh Co Ltd 回折光学素子およびその製造方法および光ピックアップ装置および光ディスクドライブ装置
US7142743B2 (en) * 2002-05-30 2006-11-28 Corning Incorporated Latching mechanism for magnetically actuated micro-electro-mechanical devices
US6922529B2 (en) * 2002-08-09 2005-07-26 Corvis Corporation Optical communications systems, devices, and methods
US20110043742A1 (en) * 2003-02-21 2011-02-24 Cavanaugh Shanti A Contamination prevention in liquid crystal cells
US7355671B2 (en) * 2003-02-21 2008-04-08 Xtellus Inc. Fabrication method for liquid crystal cell
JP2006518880A (ja) * 2003-02-21 2006-08-17 エクステラス インコーポレイテッド 液晶可変光学減衰器
US6943768B2 (en) * 2003-02-21 2005-09-13 Xtellus Inc. Thermal control system for liquid crystal cell
US7009680B2 (en) 2003-06-02 2006-03-07 Xtellus Inc. Narrow band tunable filter with integrated detector
US7352428B2 (en) * 2003-02-21 2008-04-01 Xtellus Inc. Liquid crystal cell platform
US20060007386A1 (en) * 2003-02-21 2006-01-12 Extellus Usa Flat top tunable filter with integrated detector
US7286770B2 (en) * 2003-07-18 2007-10-23 International Business Machines Corporation Fiber optic transmission lines on an SOC
KR101895180B1 (ko) 2009-06-23 2018-09-04 시리얼 테크놀로지즈 에스.에이. 선형적으로 평행하게 배열된 전극들에 기초한 가변 회절 소자를 포함한, ２차원 및/또는 ３차원 이미지 내용을 표시하기 위한 디스플레이용 광 변조 장치
US8976450B2 (en) * 2010-01-25 2015-03-10 Toyota Motor Engineering & Manufacturing North America, Inc. Optical light switch having two internally located diffraction gratings separated by liquid medium
US8072684B2 (en) 2010-01-25 2011-12-06 Toyota Motor Engineering & Manufacturing North America, Inc. Optical device using laterally-shiftable diffraction gratings
US9229163B2 (en) * 2012-05-18 2016-01-05 Oracle International Corporation Butterfly optical network with crossing-free switches
US10761391B2 (en) 2017-05-23 2020-09-01 The United States Of America As Represented By The Secretary Of The Air Force Optical attenuator

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3329474A (en) * 1963-11-08 1967-07-04 Ibm Digital light deflector utilizing co-planar polarization rotators
US3614191A (en) * 1968-03-29 1971-10-19 Nippon Electric Co Associative memory employing holography
US3650602A (en) * 1970-08-19 1972-03-21 Honeywell Inc Parallel array light beam deflector with variable phase plate
DE3171379D1 (en) * 1981-04-28 1985-08-22 Ibm Bus arrangement for interconnectiong circuit chips
JPS61261725A (ja) * 1985-05-16 1986-11-19 Mitsubishi Electric Corp モニタ機能付きバイパス光スイツチ
US4813769A (en) * 1985-11-05 1989-03-21 Itt Defense Communications, A Division Of Itt Corporation Liquid crystal wave division device
US4850682A (en) * 1986-07-14 1989-07-25 Advanced Environmental Research Group Diffraction grating structures
GB8713043D0 (en) * 1987-06-03 1987-07-08 British Telecomm Optical switch
WO1990001722A1 (en) * 1988-08-05 1990-02-22 Matsushita Electric Industrial Co., Ltd. Light deflecting element
US4917452A (en) * 1989-04-21 1990-04-17 Uce, Inc. Liquid crystal optical switching device
US5036512A (en) * 1989-05-08 1991-07-30 At&T Bell Laboratories Optical apparatus for combining light beam arrays having different wavelengths
US5071232A (en) * 1989-08-01 1991-12-10 Ricoh Company, Ltd. Optical deflection element and space optical matrix switching device
DE69013130T2 (de) * 1989-12-28 1995-03-09 Fujitsu Ltd Optischer räumlicher Schalter und Netzwerk mit derartigen optischen räumlichen Schaltern.
FR2660448B1 (fr) * 1990-04-03 1992-06-05 Thomson Csf Dispositif de projection d'images.
DE69121176T2 (de) * 1990-12-17 1997-01-09 Nippon Telegraph & Telephone Optischer Zirkulator
US5107357A (en) * 1991-01-18 1992-04-21 General Electric Company Low insertion loss optical beam steerer
US5153757A (en) * 1991-02-27 1992-10-06 At&T Bell Laboratories Network control arrangement
US5159473A (en) * 1991-02-27 1992-10-27 University Of North Carolina Apparatus and method for programmable optical interconnections
US5258871A (en) * 1992-06-01 1993-11-02 Eastman Kodak Company Dual diffraction grating beam splitter

Also Published As

Publication number Publication date
DE69230087T2 (de) 2000-02-24
EP0525515A3 (en) 1994-05-18
EP0525515B1 (de) 1999-10-06
US5430561A (en) 1995-07-04
US5532855A (en) 1996-07-02
EP0525515A2 (de) 1993-02-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee