Title :
InGaAsP/InP optoelectronic exclusive-OR (XOR) gate operating with optical inputs and outputs
Author :
Adachi, H. ; Matsuda, K. ; Chino, T. ; Shibata, J.
Author_Institution :
Matsushita Electr. Ind. Co. Ltd., Osaka, Japan
Abstract :
An optoelectronic exclusive-OR (XOR) gate operating with optical inputs and outputs was fabricated. The gate is based on an optoelectronic bistable switch consisting of a light emitting diode (LED) and a heterojunction phototransistor (HPT). The inverter function indispensable for the XOR logic is attained optically by connecting an additional HPT to the bistable switch in parallel. Successful operation of the XOR logic was demonstrated.<>
Keywords :
III-V semiconductors; gallium arsenide; indium compounds; integrated optoelectronics; light emitting diodes; optical bistability; optical logic; optical switches; phototransistors; HPT; III-V semiconductor; InGaAsP-InP; InGaAsP/InP optoelectronic exclusive-OR; LED; XOR gate; heterojunction phototransistor; inverter function; light emitting diode; optical inputs; optical outputs; optoelectronic bistable switch; Heterojunctions; Indium phosphide; Joining processes; Light emitting diodes; Logic; Optical bistability; Optical switches; Phototransistors; Pulse inverters; Stimulated emission;
Journal_Title :
Photonics Technology Letters, IEEE
