Journal
APPLIED PHYSICS LETTERS
Volume 85, Issue 4, Pages 675-677Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1775034
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We report on experiments on photoresponse to sub-THz (120 GHz) radiation of Si field-effect transistors (FETs) with nanometer and submicron gate lengths at 300 K. The observed photoresponse is in agreement with predictions of the Dyakonov-Shur plasma wave detection theory. This is experimental evidence of the plasma wave detection by silicon FETs. The plasma wave parameters deduced from the experiments allow us to predict the nonresonant and resonant detection in THz range by nanometer size silicon devices-operating at room temperature. (C) 2004 American Institute of Physics.
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