MONOLITHIC INTEGRATION OF QUANTUM-WELL INFRARED PHOTODETECTOR AND MODULATOR

Citation
G. Almogy et al., MONOLITHIC INTEGRATION OF QUANTUM-WELL INFRARED PHOTODETECTOR AND MODULATOR, Applied physics letters, 68(15), 1996, pp. 2088-2090
Citations number
15
Categorie Soggetti
Physics, Applied
Journal title
ISSN journal
00036951
Volume
68
Issue
15
Year of publication
1996
Pages
2088 - 2090
Database
ISI
SICI code
0003-6951(1996)68:15<2088:MIOQIP>2.0.ZU;2-C
Abstract
A modulation depth of 40% (0.7 dB/mu m) was obtained with an infrared (10.6 mu m) modulator consisting of a stack of 50 pairs of weakly coup led asymmetric quantum wells monolithically integrated with a quantum well infrared photodetector. The monolithic integration is shown to be a promising technique for the ''ac'' coupling of infrared focal-plane arrays as well as for the direct study of the effects of electric fie lds and charge density variations on intersubband transitions. (C) 199 6 American Institute of Physics.