Abstract
We report on the observation of the circular photon drag effect in a bulk semiconductor. The photocurrent caused by a transfer of both linear and angular momenta of photons to charge carriers is detected in tellurium. Dependencies of the photocurrent on the light polarization and on the incidence angle agree with the symmetry analysis of the circular photon drag effect. Experimental spectral data on the photocurrent in mid-infrared range qualitatively agree with a microscopic model of the circular photon drag effect considering intersubband optical transitions of holes in tellurium.
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