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arXiv · 1706.03838

Dynamical Casimir effect in stochastic systems: photon-harvesting through noise

R. Román-Ancheyta·I. Ramos-Prieto·A. Perez-Leija·K. Busch·R. de J. León-Montiel
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Abstract

We theoretically investigate the dynamical Casimir effect in a single-mode cavity endowed with a driven off-resonant mirror. We explore the dynamics of photon generation as a function of the ratio between the cavity mode and the mirror's driving frequency. Interestingly, we find that this ratio defines a threshold---which we referred to as a metal-insulator phase transition---between an exponential growth and a low photon production. The low photon production is due to Bloch-like oscillations that produce a strong localization of the initial vacuum state, thus preventing higher generation of photons. To break localization of the vacuum state, and enhance the photon generation, we impose a dephasing mechanism, based on dynamic disorder, into the driving frequency of the mirror. Additionally, we explore the effects of finite temperature on the photon production. Concurrently, we propose a classical analogue of the dynamical Casimir effect in engineered photonic lattices, where the propagation of classical light emulates the photon generation from the quantum vacuum of a single-mode tunable cavity.

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R. Román-Ancheyta, I. Ramos-Prieto, A. Perez-Leija, K. Busch, R. de J. León-Montiel. 2017-06-12. Dynamical Casimir effect in stochastic systems: photon-harvesting through noise. https://doi.org/10.1103/physreva.96.032501

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