MULTIPHOTON DYNAMICS OF QUTRITS IN THE ULTRASTRONG COUPLING REGIME WITH A QUANTIZED PHOTONIC FIELD
Avetissian H.K., Avetissyan A.K., Mkrtchian G.F., Kibis O.V.

Received: April 10, 2015

DOI: 10.7868/S0044451015120019

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Multiphoton resonant excitation of a three-state quantum system (a qutrit) with a single-mode photonic field is considered in the ultrastrong coupling regime, when the qutrit-photonic field coupling rate is comparable to appreciable fractions of the photon frequency. For ultrastrong couplings, the obtained solutions of the Schrödinger equation reveal multiphoton Rabi oscillations in qutrits with the interference effects leading to the collapse and revival of atomic excitation probabilities at the direct multiphoton resonant transitions.