The main characters of intersubband transitions in semiconductor quantum wells and the device physics of quantum well infrared photodetectors (QWIP) are discussed. The most recent advances in this field are introduced. At last, several trends of studies on intersubband transitions and QWIPs are pre- dicted.
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徐士杰 江德生.量子阱红外探测器[J].红外与毫米波学报,1992,11(4):317~326]. Xu Shijie, Jiang Desheng. QUANTUM WELL INFRARED PHOTODETECTORS[J]. J. Infrared Millim. Waves,1992,11(4):317~326.]