The bistability effect in resonant-tunnelling phototransistors with multiple quantum well structure
- 1 June 1994
- journal article
- Published by IOP Publishing in Semiconductor Science and Technology
- Vol. 9 (6) , 1209-1214
- https://doi.org/10.1088/0268-1242/9/6/008
Abstract
Bistable operation of resonant-tunnelling phototransistors incorporating a multiple quantum well base (RTQWPT) is reported. The mechanism of operation is resonant-tunnelling hot-electron injection controlled by electron photoemission from the multiple quantum well base into the collector. The RTQWPT utilizes intersubband optical absorption in the infrared region of the spectrum. The RTQWPT can be used as a high-efficiency optoelectronic switch controlled by infrared radiation and an infrared photodetector.Keywords
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