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Unconventional Phonon Blockade in a Tavis–Cummings Coupled Optomechanical System

A phonon blockade is achieved in a hybrid optomechanical system including an ensemble of two‐level quantum emitters. The introduction of the ensemble of quantum emitters sets up a mechanism of quantum destructive interference within the system, by which the phonon statistical characteristic exhibits strong antibunching under the condition of weak driving and weak coupling. By analyzing the analytic solution of the second‐order correlation function, the optimal parametric condition for ideal phonon blockade effect is obtained. The numerical simulation of the second‐order correlation function perfectly accord with the analytical solution. The validity of the effective Hamiltonian is proved by the numerical simulations with quantum master equation. The proposed scheme provides a possible way to realize the single‐phonon source experimentally.