Low dark current dual band infrared photodetector using thin AlAs barriers and gamma-X mixed

Liu, H.C.; Wilson, P.H.; Lamm, M.; Steele, A.G.; Wasilewski, Z.R.; Jianmeng Li; Buchanan, M.; Simmons, J.G.
January 1994
Applied Physics Letters;1/24/1994, Vol. 64 Issue 4, p475
Academic Journal
Demonstrates a low dark current dual band quantum well infrared photodetector by adding thin aluminum arsenide barriers to the same detector structure. Reduction of quantum well infrared photodetectors; Achievement of dual band long and middle wavelength; Spectral peaks of the two transitions.


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