Jin-Feng Huang, Jie-Qiao Liao, C. P. Sun
We study the photon blockade of the correlated two-photon scattering in a one-dimensional waveguide, which couples to two atoms with the Rydberg interaction. We obtain the analytic solution to the scattering problem of photonic wave packets on the two-coupled atoms. We examine the photon correlation by addressing the two-photon relative wave function and the second-order correlation function in the single- and two-photon resonance cases. It is found that, in the single-photon resonance condition, photon bunching and antibunching exist respectively in the transmitted and reflected two photons. In particular, the induced bunching and antibunching become stronger with the increase of the inter-atom coupling strength. In addition, we find a phenomenon of bunching-antibunching transition caused by the two-photon resonance.
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http://arxiv.org/abs/1209.3935
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