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arXiv · 1612.03261

Photon Blockade in Two-Emitter-Cavity Systems

Marina Radulaski·Kevin A. Fischer·Konstantinos G. Lagoudakis·Jingyuan Linda Zhang·Jelena Vuckovic
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Abstract

The photon blockade (PB) effect in emitter-cavity systems depends on the anharmonicity of the ladder of dressed energy eigenstates. The recent developments in color center photonics are leading toward experimental demonstrations of multi-emitter-cavity solid-state systems with an expanded set of energy levels compared to the traditionally studied single-emitter systems. We focus on the case of N = 2 nonidentical quasi-atoms strongly coupled to a nanocavity in the bad cavity regime (with parameters within reach of the color center systems), and discover three PB mechanisms: polaritonic, subradiant and unconventional. The polaritonic PB, which is the conventional mechanism studied in single-emitter-cavity systems, also occurs at the polariton frequencies in multi-emitter systems. The subradiant PB is a new interference effect owing to the inhomogeneous broadening of the emitters which results in a purer and a more robust single photon emission than the polaritonic PB. The unconventional PB in the modeled system corresponds to the suppression of the single- and two-photon correlation statistics and the enhancement of the three-photon correlation statistic. Using the effective Hamiltonian approach, we unravel the origin and the time-domain evolution of these phenomena.

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Marina Radulaski, Kevin A. Fischer, Konstantinos G. Lagoudakis, Jingyuan Linda Zhang, Jelena Vuckovic. 2017-06-04. Photon Blockade in Two-Emitter-Cavity Systems. https://doi.org/10.1103/physreva.96.011801

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