OPTOELECTRONIC EXCLUSIVE-OR (XOR) GATE

Authors
BEYETTE FR GEIB KM FELD SA HAFICH MJ AN X ROBINSON GY WILMSEN CW
Citation
Fr. Beyette et al., OPTOELECTRONIC EXCLUSIVE-OR (XOR) GATE, IEEE photonics technology letters, 5(6), 1993, pp. 686-688
Citations number
9
Categorie Soggetti
Optics,"Physics, Applied
Journal title
IEEE photonics technology letters → ACNP
ISSN journal
10411135
Volume
5
Issue
6
Year of publication
1993
Pages
686 - 688
Database
ISI
SICI code
1041-1135(1993)5:6<686:OE(G>2.0.ZU;2-C
Abstract
A new optoelectronic circuit that implements the exclusive-OR (XOR) lo gic function is presented. The circuit utilizes two unmatched heteroju nction phototransistors and a light amplifying optical switch (LAOS) m onolithically integrated on an InGaAs/InP wafer grown by gas-source mo lecular beam epitaxy. The circuit was operated from dc up to the limit of the probe stand (90 kHz). The ease of operation and high ON/OFF co ntrast ratio (> 50) make this XOR gate ideal for applications that req uire optical binary comparison or addition.