Theory of helicity-sensitive terahertz radiation detection by field effect transistors

K. S. Romanov; M. I. Dyakonov

doi:10.1063/1.4801946

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arXiv · 1303.0144

Theory of helicity-sensitive terahertz radiation detection by field effect transistors

K. S. Romanov·M. I. Dyakonov

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Abstract

Within the two antenna model, we develop a theory of the recently observed helicity-sensitive detection of terahertz radiation by FETs. The effect arises because of the mixing of the ac signals produced in the channel by the two antennas. We calculate the helicity-dependent part of the photoresponse and its dependence on the antenna impedance, gate length, and gate voltage.

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K. S. Romanov, M. I. Dyakonov. 2013-03-01. Theory of helicity-sensitive terahertz radiation detection by field effect transistors. https://doi.org/10.1063/1.4801946

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