research article
oaioai:hub.hku.hk:10722/42758

Effect of interdiffusion of quantum well infrared photodetector

Authors
Publication date
1 January 1996
Publisher
American Institute of Physics. The Journal's web site is located at http://apl.aip.org/
Doi

    Abstract

    The intersubband infrared photodetector performance is theoretically analyzed for various stages of interdiffusion in AlGaAs/GaAs quantum well. The absorption strength and responsivity are enhanced for certain extents of interdiffusion and the peak detection wavelength red shifts continuously with a large tunable range from 7 to 38.4 µm. The dark current is at an acceptable value for small diffusion extent. ©1996 American Institute of Physics.published_or_final_versio

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