Photon antibunching in unconventional photon blockade with Kerr nonlinearities
Yue Yu, Hongyu Liu · Journal of Modern Optics · 2017
The normalized second-order correlation function is calculated for a system of two coupled cavity modes with weak Kerr nonlinearity and the two cavity modes are driven simultaneously. The optimal conditions for strong photon antibunching (i.e. sub-Poisson photon number distribution) are found by analytic calculations, which coincide well with the numerical results. The change range of the parameters for strong antibunching is studied under the optimal conditions.