Abstract
A theory of the transmission channels and current-voltage characteristics of a double-barrier resonant tunneling structure driven by dc electric and high-frequency electromagnetic fields of arbitrary strength is proposed based on an obtained exact solution to the complete one-dimensional Schrodinger equation. It is shown for the first time that an increase in the electromagnetic-field strength leads (as a result of the formation of nonresonant transmission channels in the nanostructure) to a change in its current-voltage characteristic from a single-humped to double-humped curve not only in the vicinities of the electron-resonance energies but also in the energy ranges corresponding to the superpositions of pairs of field satellite states.
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