Permanent Rabi oscillations in coupled exciton-photon systems with PT -symmetry

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Abstract

<jats:title>Abstract</jats:title><jats:p>We propose a physical mechanism which enables permanent Rabi oscillations in driven-dissipative condensates of exciton-polaritons in semiconductor microcavities subjected to external magnetic fields. The method is based on stimulated scattering of excitons from the incoherent reservoir. We demonstrate that permanent non-decaying oscillations may appear due to the parity-time symmetry of the coupled exciton-photon system realized in a specific regime of pumping to the exciton state and depletion of the reservoir. At non-zero exciton-photon detuning, robust permanent Rabi oscillations occur with unequal amplitudes of exciton and photon components. Our predictions pave way to realization of integrated circuits based on exciton-polariton Rabi oscillators.</jats:p>

Journal

  • Scientific Reports

    Scientific Reports 6 (1), 19551-, 2016-01-21

    Springer Science and Business Media LLC

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