Title :
GaAs/AlxGa1-xAs quantum well infra-red photodetectors with cutoff wavelength lambda c=14.9 mu m
Author :
Zussman, A. ; Levine, B.F. ; Hong, Mingyi ; Mannaerts, J.P.
Author_Institution :
AT&T Bell Labs., Murray Hill, NJ, USA
Abstract :
The longest wavelength quantum well infra-red photo-detector (QWIP) ever measured with a cutoff wavelength of lambda c=14.9 mu m is demonstrated when cooled to 10 K. Prospects for even longer wavelength detectors are promising.
Keywords :
III-V semiconductors; aluminium compounds; gallium arsenide; infrared detectors; photodetectors; semiconductor quantum wells; 10 K; 14.9 micron; GaAs-Al xGa 1-xAs; QWIP; cutoff wavelength; long wavelength photodetectors; quantum well infra-red photodetectors; semiconductors;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19910950
