Single-photon blockade in quasichiral atom-photon interaction: Simultaneous high purity and high efficiency
Yu-Wei Lu,
Jing-Feng Liu,
Runhua Li
et al.
Abstract:We investigate the single-photon blockade (1PB) in the quasichiral regime of atom-photon interaction that mediates via dissipative environment, where the effective atom-photon interaction is asymmetrical but achiral. The synthetic magnetic current in the closed-loop coupling breaks down the reciprocity of atom-photon interaction, resulting in an asymmetrical and even completely unidirectional effective coupling between two selected quantum states. As an example, we couple the single-atom cavity-QED (cQED) syst… Show more
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