  A theory of self-excitation in the metal-insulator-metal structure doped with
metal nanowires is developed for the case where the power is provided by an
external source of radio waves. Both the transient stage of self-excitation and
the steady-state regime of self-oscillation are analyzed in a fully analytical
form. The numerical estimates demonstrate that this effect can be used for
diverse practical purposes, in particular, for radio frequency power
harvesting. These findings extend the approach developed in nano-optics to the
field of electrical engineering.
