HK129396A - Optical space switch - Google Patents

Optical space switch

Info

Publication number
HK129396A
HK129396A HK129396A HK129396A HK129396A HK 129396 A HK129396 A HK 129396A HK 129396 A HK129396 A HK 129396A HK 129396 A HK129396 A HK 129396A HK 129396 A HK129396 A HK 129396A
Authority
HK
Hong Kong
Prior art keywords
light
phase volume
multiplexed
volume holograms
optical space
Prior art date
Application number
HK129396A
Other languages
English (en)
Inventor
Peter Healey
David William Smith
Original Assignee
British Telecomm
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 British Telecomm filed Critical British Telecomm
Publication of HK129396A publication Critical patent/HK129396A/xx

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
    • G02B6/35—Optical coupling means having switching means
    • G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
    • 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
    • G03H1/0005—Adaptation of holography to specific applications

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Holo Graphy (AREA)
  • Push-Button Switches (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Liquid Crystal (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
HK129396A 1987-02-20 1996-07-18 Optical space switch HK129396A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878704016A GB8704016D0 (en) 1987-02-20 1987-02-20 Optical space switch

Publications (1)

Publication Number Publication Date
HK129396A true HK129396A (en) 1996-07-26

Family

ID=10612653

Family Applications (1)

Application Number Title Priority Date Filing Date
HK129396A HK129396A (en) 1987-02-20 1996-07-18 Optical space switch

Country Status (10)

Country Link
US (1) US4952010A (xx)
EP (1) EP0279679B1 (xx)
JP (1) JP2788040B2 (xx)
AT (1) ATE82458T1 (xx)
AU (1) AU597156B2 (xx)
CA (1) CA1295499C (xx)
DE (1) DE3875751T2 (xx)
GB (1) GB8704016D0 (xx)
HK (1) HK129396A (xx)
WO (1) WO1988006393A1 (xx)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8701996D0 (en) * 1987-01-29 1987-03-04 British Telecomm Optical space switch
GB2228386B (en) * 1989-02-10 1993-09-29 British Aerospace Optical interconnection system
EP0384604A1 (en) * 1989-02-07 1990-08-29 British Aerospace Public Limited Company Optical interconnection systems
GB2228118A (en) * 1989-02-07 1990-08-15 British Aerospace Optical processors
US5235440A (en) * 1989-11-06 1993-08-10 Teledyne Industries, Inc. Optical interconnector and highly interconnected, learning neural network incorporating optical interconnector therein
GB9005647D0 (en) * 1990-03-13 1990-05-09 Secr Defence Optical multiplexer
US5040864A (en) * 1990-11-13 1991-08-20 Rockwell International Corporation Optical crosspoint switch module
US5177348A (en) * 1991-08-26 1993-01-05 Herzel Laor Apparatus and method for aligning optical fibers with an array of radiation emitting devices
US5296950A (en) * 1992-01-31 1994-03-22 Texas Instruments Incorporated Optical signal free-space conversion board
US5469277A (en) * 1992-02-07 1995-11-21 University Of Ottawa Optical interconnection device
JPH06118359A (ja) * 1992-10-07 1994-04-28 Matsushita Electric Ind Co Ltd 位相型空間光変調器
US5524153A (en) * 1995-02-10 1996-06-04 Astarte Fiber Networks, Inc. Optical fiber switching system and method using same
IL120089A0 (en) * 1997-01-27 1997-04-15 Yeda Res & Dev Compact optical crossbar switch
US6768572B2 (en) 1997-10-29 2004-07-27 Teloptics Corporation Solid state free space switch array on a substrate
US6816296B2 (en) 1997-10-29 2004-11-09 Teloptics Corporation Optical switching network and network node and method of optical switching
US6310712B1 (en) 1997-10-29 2001-10-30 Teloptics Corporation Discrete element light modulating microstructure devices
US6486996B1 (en) 1998-10-27 2002-11-26 Teloptics Corporations Discrete element light modulating microstructure devices
GB9923428D0 (en) * 1999-10-04 1999-12-08 Thomas Swan & Company Limited Optical switch
AU2001237168A1 (en) 2000-02-22 2001-09-03 Light Management Group Inc. Acousto-optical switch for fiber optic lines
US6810176B2 (en) 2000-08-07 2004-10-26 Rosemount Inc. Integrated transparent substrate and diffractive optical element
US7003187B2 (en) 2000-08-07 2006-02-21 Rosemount Inc. Optical switch with moveable holographic optical element
US6825967B1 (en) 2000-09-29 2004-11-30 Calient Networks, Inc. Shaped electrodes for micro-electro-mechanical-system (MEMS) devices to improve actuator performance and methods for fabricating the same
US7110633B1 (en) 2001-08-13 2006-09-19 Calient Networks, Inc. Method and apparatus to provide alternative paths for optical protection path switch arrays
GB0121308D0 (en) 2001-09-03 2001-10-24 Thomas Swan & Company Ltd Optical processing
JP2005519323A (ja) 2002-03-01 2005-06-30 ローズマウント インコーポレイテッド 三次元導光板を有する光学スイッチ
US20040228629A1 (en) * 2002-12-04 2004-11-18 Harris James M. Fast-switching scalable optical interconnection design with fast contention resolution
US7095537B2 (en) * 2003-05-30 2006-08-22 General Electric Company Method and system for optical coupling using holographic recording media
JP4795974B2 (ja) * 2004-01-27 2011-10-19 ディスプレイテック，インコーポレイテッド ホログラフィックデータストレージに使用するための書き込みヘッド
WO2007127758A2 (en) * 2006-04-24 2007-11-08 Displaytech, Inc Spatial light modulators with changeable phase masks for use in holographic data storage
WO2008105312A1 (ja) * 2007-02-26 2008-09-04 Hamamatsu Photonics K.K. 光源装置、観察装置および加工装置
US8248905B2 (en) * 2010-10-15 2012-08-21 General Electric Company Method of parallel bit-wise holographic data storage source using a parallel light source
US8582933B2 (en) * 2011-01-07 2013-11-12 Alcatel Lucent Scalable waveguide-mode coupler for an optical receiver or transmitter
GB2504970A (en) 2012-08-15 2014-02-19 Swan Thomas & Co Ltd Optical device and methods to reduce cross-talk
KR102220895B1 (ko) 2016-11-16 2021-03-02 한국전자통신연구원 광 송신기

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614192A (en) * 1969-12-18 1971-10-19 Perkin Elmer Corp Holographic logic operator for an optical data processing system
JPS5123187B2 (xx) * 1971-09-16 1976-07-15
FR2243573A1 (en) * 1973-09-06 1975-04-04 Treheux Michel Broadband electro-optical coupler for telephony - uses point holography by scanning photo-matrix with laser's and LED's
US4120569A (en) * 1975-01-13 1978-10-17 Marvin H. Kleinberg Method and apparatus for the holographic storage and retrieval
AU1160376A (en) * 1975-03-04 1977-09-08 Int Standard Electric Corp Holographic telephone switching system
US3985975A (en) * 1975-03-04 1976-10-12 International Telephone And Telegraph Corporation Holographic telephone switching system
US4062618A (en) * 1976-05-28 1977-12-13 International Telephone And Telegraph Corporation Secure optical multiplex communication system
FR2385266A1 (fr) * 1977-03-25 1978-10-20 Thomson Csf Dispositif de commutation electro-optique et autocommutateur telephonique comprenant un tel dispositif
FR2518766A1 (fr) * 1981-12-18 1983-06-24 Thomson Csf Dispositif de commutation de faisceaux optiques et central telephonique comprenant un tel dispositif
FR2547150A1 (fr) * 1983-05-31 1984-12-07 Cit Alcatel Commutateur opto-mecanique et ensemble de commutation spatiale le mettant en application
DE3410629A1 (de) * 1984-03-22 1985-10-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Verfahren und anordnung zum uebertragen von digitalen daten zwischen datenquellen und datensenken
DE3587515T2 (de) * 1984-05-17 1994-03-17 Nippon Electric Co Optische Schalteinrichtung.
US4705344A (en) * 1984-12-19 1987-11-10 American Telephone And Telegraph Company, At&T Bell Laboratories Optical interconnection arrangement
GB8625016D0 (en) * 1986-10-18 1987-04-15 British Aerospace Digital optical computing systems
US4830444A (en) * 1987-12-31 1989-05-16 American Telephone And Telegraph Company, At&T Bell Laboratories Optical switch
US4856863A (en) * 1988-06-22 1989-08-15 Texas Instruments Incorporated Optical fiber interconnection network including spatial light modulator

Also Published As

Publication number Publication date
JPH01502304A (ja) 1989-08-10
ATE82458T1 (de) 1992-11-15
WO1988006393A1 (en) 1988-08-25
EP0279679B1 (en) 1992-11-11
DE3875751T2 (de) 1993-04-01
US4952010A (en) 1990-08-28
JP2788040B2 (ja) 1998-08-20
AU597156B2 (en) 1990-05-24
CA1295499C (en) 1992-02-11
GB8704016D0 (en) 1987-04-15
DE3875751D1 (de) 1992-12-17
AU1291688A (en) 1988-09-14
EP0279679A1 (en) 1988-08-24

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)