Abstract

The impedance and absorption of a semiconductor superlattice under an external harmonic perturbation are investigated. It is shown that a weak external periodic signal synchronizes the domain motion in a semiconductor superlattice, and this process is accompanied by an increase in absorption and a reduction in the amplitude of the superlattice impedance. The characteristic dependence of the active and reactive impedance components on the frequency and amplitude of the external harmonic perturbation is presented.

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