Abstract

The thermally stimulated excitation of radiative modes of surface plasmon–phonon polaritons in GaAs followed by the high-power terahertz (THz) radiation selective emission is studied and experimentally observed. The selective high-power THz radiation emitters in the 7–8 and 10–15 THz frequency ranges based on the heated highly doped (n>5⋅1017 cm−3) GaAs plates are proposed.

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