31 May 2002 Super-resonant conversion of far-infrared electromagnetic wave polarization in density-modulated two-dimensional electron plasma
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Abstract
Results of a theoretical investigation of the polarization conversion of the electromagnetic wave (EW) in a density- modulated two-dimensional (2D) electron system are presented. A giant enhancement of the polarization conversion efficiency is found to merge under plasma oscillation resonance in the periodic 2D electron system. The cases of the normal and an oblique incidence of the external EW are considered. It is shown that in the total internal reflection regime the total polarization conversion can be reached if the electron scattering in the 2D electron system vanishes. Numerical calculations are performed with the characteristic parameters of an actual 2D electron system in the electron inversion layer on p-Si at the far- infrared frequencies. A solid angle in which the wavevector of the incident EW should reside in order to produce the greatest polarization conversion efficiency is calculated for different aspect fraction values of the periodic 2D electron system.
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Vyacheslav V. Popov, Vyacheslav V. Popov, Grennady M. Tsymbalov, Grennady M. Tsymbalov, } "Super-resonant conversion of far-infrared electromagnetic wave polarization in density-modulated two-dimensional electron plasma", Proc. SPIE 4705, Saratov Fall Meeting 2001: Coherent Optics of Ordered and Random Media II, (31 May 2002); doi: 10.1117/12.469006; https://doi.org/10.1117/12.469006
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