OPTICAL INTEGRATED CIRCUIT DEVICE

PURPOSE:To realize a logical arithmetic function with an optical signal, by forming a photodetecting region and a light emitting region such as a semiconductor laser having a light receiving region and an oscillation threshold value on a high resistance substrate, and constituting a logical arithmet...

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Bibliographische Detailangaben
1. Verfasser:	KONDOU KAZUO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BASIC ELECTRONIC CIRCUITRY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DEVICES USING STIMULATED EMISSION ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS PULSE TECHNIQUE SEMICONDUCTOR DEVICES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	PURPOSE:To realize a logical arithmetic function with an optical signal, by forming a photodetecting region and a light emitting region such as a semiconductor laser having a light receiving region and an oscillation threshold value on a high resistance substrate, and constituting a logical arithmetic circuit trough the combination of them. CONSTITUTION:A current Js flowing to the light emitting region S1 has the relation of Js>Jth, when the photodetector region D1 is nonconductive, by setting the relation as Jth