期刊
APPLIED PHYSICS LETTERS
卷 96, 期 1, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3282798
关键词
heterodyne detection; high electron mobility transistors; numerical analysis; plasma waves; submillimetre wave oscillators; terahertz wave detectors
资金
- Delegation Generale pour l'Armement REI DEME-TER [07.34.046]
- Lithuanian State Science and Studies Foundation [P-01/2007]
A method for the heterodyne detection of terahertz (THz) signals is proposed. A high electron mobility transistor is used as a nonlinear element, while the optical beating of two laser beams exciting plasma waves in the transistor channel plays the role of the THz local oscillator. High efficiency and room-temperature operation of such a mixer are demonstrated by numerical simulations.
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