Ref HAL: hal-00805720_v1
Ref Arxiv: 1303.0144
Ref. & Cit.: NASA ADS
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Résumé:

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.

Commentaires: 4 pages, 3 figures App. Phys. Lett. (2013), à paraitre