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Phys Rev Lett. 2011 Aug 5;107(6):063601. Epub 2011 Aug 3.

Photon blockade effect in optomechanical systems.

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  • 1Institute for Quantum Optics and Quantum Information of the Austrian Academy of Sciences, Innsbruck, Austria.


We analyze the photon statistics of a weakly driven optomechanical system and discuss the effect of photon blockade under single-photon strong coupling conditions. We present an intuitive interpretation of this effect in terms of displaced oscillator states and derive analytic expressions for the cavity excitation spectrum and the two-photon correlation function g(2)(0). Our results predict the appearance of nonclassical photon correlations in the combined strong coupling and sideband resolved regime and provide a first detailed understanding of photon-photon interactions in strong coupling optomechanics.

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