Abstract
AbstractExperiments on terahertz radiation detection with InGaAs/InAlAs field‐effect transistor in quantizing magnetic field are reported. We observed oscillations of the photovoltaic signal analogous to Shubnikov‐de Haas oscillations, as well as their strong enhancement at the cyclotron resonance conditions. The results are described quantitatively within the frame of a theory which takes into account a new source of nonlinearity related to the Landau quantization of the conduction band. (© 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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