Dynamical entanglement in coupled optical cavities

Abstract

We study the evolution of a photonic state in a coupled pair of anharmonic cavities and compare it with the corresponding system of two coupled harmonic cavities. The photons in the anharmonic cavities interact with a two-level atom and are described within the Jaynes-Cummings model. Starting from an eigenstate of the Jaynes-Cummings model with N photons, the evolution of this state in the presence of photon tunneling between the cavities is studied. We evaluate the spectral density, the dynamics of the return as well as the transition amplitudes and the probability for the dynamical creation of a N00N state.

10 pages, 4 figures

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