EP2137563A4 - Optical switches and logic gates employing same - Google Patents

Optical switches and logic gates employing same

Info

Publication number
EP2137563A4
EP2137563A4 EP20080738196 EP08738196A EP2137563A4 EP 2137563 A4 EP2137563 A4 EP 2137563A4 EP 20080738196 EP20080738196 EP 20080738196 EP 08738196 A EP08738196 A EP 08738196A EP 2137563 A4 EP2137563 A4 EP 2137563A4
Authority
EP
European Patent Office
Prior art keywords
logic gates
optical switches
employing same
gates employing
same
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.)
Withdrawn
Application number
EP20080738196
Other languages
German (de)
French (fr)
Other versions
EP2137563A2 (en
Inventor
Gary Neal Poovey
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.)
Galtronics Optical Ltd
Original Assignee
Galtronics Optical 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
Priority claimed from US11/734,750 external-priority patent/US7606450B2/en
Priority claimed from US11/734,747 external-priority patent/US7532786B2/en
Application filed by Galtronics Optical Ltd filed Critical Galtronics Optical Ltd
Publication of EP2137563A2 publication Critical patent/EP2137563A2/en
Publication of EP2137563A4 publication Critical patent/EP2137563A4/en
Withdrawn legal-status Critical Current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
    • G02B6/35—Optical coupling means having switching means
    • G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
    • G02B6/3568—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details characterised by the actuating force
    • G02B6/3578—Piezoelectric force
    • 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
    • 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
    • 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 
    • G02F1/0128—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 electro-mechanical, magneto-mechanical, elasto-optic effects
    • G02F1/0131—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 electro-mechanical, magneto-mechanical, elasto-optic effects based on photo-elastic effects, e.g. mechanically induced birefringence
    • G02F1/0134—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 electro-mechanical, magneto-mechanical, elasto-optic effects based on photo-elastic effects, e.g. mechanically induced birefringence in optical waveguides
    • 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
    • G02B6/3544—2D constellations, i.e. with switching elements and switched beams located in a plane
    • G02B6/3548—1xN switch, i.e. one input and a selectable single output of N possible outputs
    • G02B6/3552—1x1 switch, e.g. on/off switch
    • 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
    • G02B6/3594—Characterised by additional functional means, e.g. means for variably attenuating or branching or means for switching differently polarized beams
    • 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
    • G02F2203/48—Variable attenuator
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1301—Optical transmission, optical switches
EP20080738196 2007-04-12 2008-04-10 Optical switches and logic gates employing same Withdrawn EP2137563A4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US91146907P 2007-04-12 2007-04-12
US11/734,750 US7606450B2 (en) 2004-08-30 2007-04-12 Light activated optical switch that includes a piezoelectric element and a conductive layer
US11/734,747 US7532786B2 (en) 2004-08-30 2007-04-12 Light activated optical switch that includes a piezoelectric element with layers of piezoelectric material having different piezoelectric characteristics
PCT/IL2008/000494 WO2008126080A2 (en) 2007-04-12 2008-04-10 Optical switches and logic gates employing same

Publications (2)

Publication Number Publication Date
EP2137563A2 EP2137563A2 (en) 2009-12-30
EP2137563A4 true EP2137563A4 (en) 2012-07-11

Family

ID=39864454

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080738196 Withdrawn EP2137563A4 (en) 2007-04-12 2008-04-10 Optical switches and logic gates employing same

Country Status (6)

Country Link
EP (1) EP2137563A4 (en)
JP (2) JP5721427B2 (en)
KR (1) KR101487809B1 (en)
CN (1) CN101836145B (en)
CA (1) CA2683730A1 (en)
WO (1) WO2008126080A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015089812A1 (en) * 2013-12-20 2015-06-25 华为技术有限公司 All-optical logic gate

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2504285A1 (en) * 1981-04-15 1982-10-22 Chevron Res Single mode optical fibre beam modulator - has movable, spatially periodic perturbation using optical grating placed near core
US4524294A (en) * 1984-05-07 1985-06-18 The United States Of America As Represented By The Secretary Of The Army Ferroelectric photomechanical actuators

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4632518A (en) * 1984-07-31 1986-12-30 Hughes Aircraft Company Phase insensitive optical logic gate device
JP2525764B2 (en) * 1985-12-12 1996-08-21 宇部興産株式会社 Optical drive relay
US5144375A (en) * 1990-05-10 1992-09-01 At&T Bell Laboratories Sagnac optical logic gate
US5150242A (en) * 1990-08-17 1992-09-22 Fellows William G Integrated optical computing elements for processing and encryption functions employing non-linear organic polymers having photovoltaic and piezoelectric interfaces
US5050242A (en) * 1990-10-29 1991-09-24 Udell C Leland Hospital gown
JPH0674213A (en) * 1992-08-26 1994-03-15 Mitsubishi Cable Ind Ltd Micro-gripper mechanism
JPH06160736A (en) * 1992-11-16 1994-06-07 Sumitomo Electric Ind Ltd Optical breaker
US5502781A (en) * 1995-01-25 1996-03-26 At&T Corp. Integrated optical devices utilizing magnetostrictively, electrostrictively or photostrictively induced stress
US5943453A (en) * 1997-03-14 1999-08-24 The Board Of Trustees Of The Leland Stanford Junior University All fiber polarization splitting switch
JP3829548B2 (en) * 1999-09-24 2006-10-04 ソニー株式会社 Functional materials and functional elements
US6990281B2 (en) * 2002-08-22 2006-01-24 Prima Luci, Inc. All optical logic gates
JP2004145315A (en) * 2002-10-01 2004-05-20 Canon Inc Optical element and method of modulating optical element
US7072536B2 (en) 2003-12-11 2006-07-04 Gary Neal Poovey Light triggered light switch
JP2005315955A (en) * 2004-04-27 2005-11-10 Murata Mfg Co Ltd Matrix type light switch
US7283698B2 (en) * 2004-08-30 2007-10-16 Gary Poovey Bending element light switch

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2504285A1 (en) * 1981-04-15 1982-10-22 Chevron Res Single mode optical fibre beam modulator - has movable, spatially periodic perturbation using optical grating placed near core
US4524294A (en) * 1984-05-07 1985-06-18 The United States Of America As Represented By The Secretary Of The Army Ferroelectric photomechanical actuators

Also Published As

Publication number Publication date
JP2010526322A (en) 2010-07-29
KR101487809B1 (en) 2015-01-29
CN101836145A (en) 2010-09-15
WO2008126080A3 (en) 2010-02-25
CN101836145B (en) 2013-06-12
KR20100016439A (en) 2010-02-12
JP2015118380A (en) 2015-06-25
CA2683730A1 (en) 2008-10-23
EP2137563A2 (en) 2009-12-30
WO2008126080A2 (en) 2008-10-23
JP5721427B2 (en) 2015-05-20

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Owner name: POOVEY, GARY NEAL

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Owner name: GALTRONICS OPTICAL LTD

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