HIGH-SPEED JOINT-TRANSFORM OPTICAL-IMAGE CORRELATOR USING GAAS ALGAASSEMIINSULATING MULTIPLE-QUANTUM WELLS AND DIODE-LASERS/

Authors
PARTOVI A GLASS AM CHIU TH LIU DTH
Citation
A. Partovi et al., HIGH-SPEED JOINT-TRANSFORM OPTICAL-IMAGE CORRELATOR USING GAAS ALGAASSEMIINSULATING MULTIPLE-QUANTUM WELLS AND DIODE-LASERS/, Optics letters, 18(11), 1993, pp. 906-908
Citations number
16
Categorie Soggetti
Optics
Journal title
Optics letters → ACNP
ISSN journal
01469592
Volume
18
Issue
11
Year of publication
1993
Pages
906 - 908
Database
ISI
SICI code
0146-9592(1993)18:11<906:HJOCUG>2.0.ZU;2-5
Abstract
We demonstrate a compact real-time optical image correlator using diod e lasers and a semi-insulating GaAs/AlGaAs multiple-quantum-well (SI-M QW) device as the holographic element. With only 3 mW of power inciden t upon the SI-MQW device, the correlation is obtained in 1 mus and can be erased in as fast as 2 mus, which presents the possibility of a sy stem capable of 3 x 10(5) correlations/s. We also show that images can be stored for a controllable length of time (2-25 mus), which present s possibilities for the use of the SI-MQW device as a data or image bu ffer memory.