Unconventional Photon Blockade in a Four-Wave Mixing System Embedded with a Two-Level Atom
This paper investigates the photon antifocusing effect in a four-wave mixing coupled system embedded with a two-level atom.Through analytical analysis of the system,we obtain the optimal conditions for achieving photon blockade.Subsequently,numerical results are obtained by solving the main equation in the steady-state limit.Our findings reveal that the analytical optimal conditions are consistent with the numerical results,demonstrating that this system can realize nontraditional photon blockade.Further,a detailed discussion is presented on the influence of various system parameters on achieving nontraditional photon blockade.The results indicate that the four-wave mixing coupling interaction and atom-cavity coupling coefficient significantly enhance the nontraditional photon blockade effect.
unconventional photon blockadefour-wave mixingJ-C model
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