JPH032845A - Optical exclusive or device - Google Patents

Optical exclusive or device

Info

Publication number
JPH032845A
JPH032845A JP13847889A JP13847889A JPH032845A JP H032845 A JPH032845 A JP H032845A JP 13847889 A JP13847889 A JP 13847889A JP 13847889 A JP13847889 A JP 13847889A JP H032845 A JPH032845 A JP H032845A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
light
refractive
input
material
intensity
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.)
Pending
Application number
JP13847889A
Inventor
Seiichirou Kawashima
Original Assignee
Matsushita Electric Ind Co 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

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F3/00Optical logic elements; Optical bistable devices

Abstract

PURPOSE: To allow the high-speed computation of exclusive OR by constituting the above device of a double refractive material which is changed in refractive index by the intensity of input light and an optical resonator which houses the double refractive material and has the resonance wavelength made coincident with the wavelength when the intensities of the plural beams of the input light vary.
CONSTITUTION: The double refractive material 11 having the Kerr effect to cause the refractive index to be changed by the intensity of the input light is housed in the optical resonator. The refractive index of the double refractive material 11 varies with the intensity totaling the intensities of the input light M, N and, therefore, the resonance wavelength by the double refractive material 11 and 1st, 2nd half mirrors 12, 13 changes. The intensity totaling the intensities of the input light M, N, therefore, attains P1 or intensity P3 if the intensities of the input light M, N are of the same level, i.e. a high level or low level and, therefore, the wavelength of the input light and the resonance frequency of the resonator vary. The transmittance of the resonator is consequently lowered and the output light Y is brought to the low level. The output light Y, however, attains the high level in the case of the levels at which the intensities of the input light M, N vary. The high-speed computation of the exclusive OR is executed in this way.
COPYRIGHT: (C)1991,JPO&Japio
JP13847889A 1989-05-31 1989-05-31 Optical exclusive or device Pending JPH032845A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13847889A JPH032845A (en) 1989-05-31 1989-05-31 Optical exclusive or device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13847889A JPH032845A (en) 1989-05-31 1989-05-31 Optical exclusive or device

Publications (1)

Publication Number Publication Date
JPH032845A true true JPH032845A (en) 1991-01-09

Family

ID=15223011

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13847889A Pending JPH032845A (en) 1989-05-31 1989-05-31 Optical exclusive or device

Country Status (1)

Country Link
JP (1) JPH032845A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007094845A1 (en) * 2006-02-14 2007-08-23 Coveytech, Llc All-optical logic gates using nonlinear elements
US7394958B2 (en) 2006-02-14 2008-07-01 Coveytech, Llc All-optical logic gates using nonlinear elements-claim set II
US7409131B2 (en) 2006-02-14 2008-08-05 Coveytech, Llc All-optical logic gates using nonlinear elements—claim set V
US7428359B2 (en) 2006-02-14 2008-09-23 Coveytech, Llc All-optical logic gates using nonlinear elements—claim set IV
US7522799B2 (en) 2006-02-14 2009-04-21 Coveytech Llc All-optical logic gates using nonlinear elements—claim set VI
US7664355B2 (en) 2006-02-14 2010-02-16 Coveytech Llc All-optical gates using nonlinear elements-claim set III

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007094845A1 (en) * 2006-02-14 2007-08-23 Coveytech, Llc All-optical logic gates using nonlinear elements
US7394958B2 (en) 2006-02-14 2008-07-01 Coveytech, Llc All-optical logic gates using nonlinear elements-claim set II
US7409131B2 (en) 2006-02-14 2008-08-05 Coveytech, Llc All-optical logic gates using nonlinear elements—claim set V
US7428359B2 (en) 2006-02-14 2008-09-23 Coveytech, Llc All-optical logic gates using nonlinear elements—claim set IV
GB2449801A (en) * 2006-02-14 2008-12-03 Coveytech Llc All-optical logic gates using nonlinear elements
US7463804B2 (en) 2006-02-14 2008-12-09 Coveytech Llc All-optical logic gates using nonlinear elements—claim set IV
KR100892925B1 (en) * 2006-02-14 2009-04-09 코베이테크, 엘엘씨 All-optical logic gates using nonlinear elements
US7522799B2 (en) 2006-02-14 2009-04-21 Coveytech Llc All-optical logic gates using nonlinear elements—claim set VI
JP2009104210A (en) * 2006-02-14 2009-05-14 Coveytech Llc All-optical and gate and all-optical nand gate
JP2009104212A (en) * 2006-02-14 2009-05-14 Coveytech Llc All-optical memory latch
KR100916282B1 (en) * 2006-02-14 2009-09-10 코베이테크, 엘엘씨 All-optical logic gates using nonlinear elements
KR100920471B1 (en) * 2006-02-14 2009-10-08 코베이테크, 엘엘씨 All-optical logic gates using nonlinear elements
US7664355B2 (en) 2006-02-14 2010-02-16 Coveytech Llc All-optical gates using nonlinear elements-claim set III
GB2449801B (en) * 2006-02-14 2010-03-03 Coveytech Llc All-optical NAND gate using nonlinear elements
US7689081B2 (en) 2006-02-14 2010-03-30 Coveytech Llc All-optical logic gates using nonlinear elements claim—set V
US7720339B2 (en) 2006-02-14 2010-05-18 Coveytech Llc All-optical logic gates using nonlinear elements—claim set V
KR100973319B1 (en) * 2006-02-14 2010-07-30 코베이테크, 엘엘씨 All-optical logic gates using nonlinear elements
JP4685947B2 (en) * 2006-02-14 2011-05-18 コービーテック,リミティド ライアビリティ カンパニー An all-optical memory latch
EP2312388A3 (en) * 2006-02-14 2011-07-13 Coveytech, LLC All-optical memory latch using nonlinear elements
EP2312387A3 (en) * 2006-02-14 2011-07-13 Coveytech, LLC Method of manufacturing all-optical logic gates using nonlinear elements
US9703172B2 (en) 2006-02-14 2017-07-11 John Luther Covey All-optical logic gates using nonlinear elements—claim set V

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