Title :
Integrated optical NAND gate
Author :
An, Xiang ; Geib, Kent M. ; Hafich, M.J. ; Woods, L.M. ; Feld, S.A. ; Beyette, F.R. ; Robinson, G.Y. ; Wilmsen, C.W.
Author_Institution :
Colorado State Univ., Fort Collins, CO, USA
fDate :
7/30/1992 12:00:00 AM
Abstract :
An optical two input NAND gate with a high on/off contrast ratio (>50) is demonstrated. The NAND gate uses different wavelengths of light for the two inputs; this allows both inputs to be incident on the same area of the device.
Keywords :
integrated optoelectronics; logic gates; optical logic; optical switches; phototransistors; different wavelengths; mesas; on/off contrast ratio; optical NAND gate; two input NAND gate;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19920981
