Quantum well intersubband heterodyne infrared detection up to 82 GHz
- 11 September 1995
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 67 (11) , 1594-1596
- https://doi.org/10.1063/1.114950
Abstract
We demonstrate the heterodyne detection of two CO2 laser signals offset in frequency up to 82.16 GHz using a multiple quantum well intersubband infrared photodetector. The high frequency is reached by down conversion using the detector itself as a microwave or millimeter‐wave mixer.Keywords
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