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arXiv:1405.5079 · Journal of the Optical Society of America B

Dynamics of mode entanglement in a system of cavities coupled with a chiral mirror

Ali Ü. C. Hardal

Published Sep 16, 2014• 5 citations
arXivHTMLPDF

Abstract

We investigate the Hermitian and the non-Hermitian dynamics of the mode entanglement in two identical optical cavities coupled by a chiral mirror. By employing the non-Hermitian quantum evolution, we calculate the logarithmic negativity measure of entanglement for initially Fock, coherent, and squeezed states, separately. We verify the nonconservation of mean spin for the initially coherent and squeezed states when the coupling is nonreciprocal and report the associated spin noise for each case. We examine the effects of nonconserved symmetries on the mode correlations and determine the degree of nonreciprocal coupling to establish robust quantum entanglement.

DOI
10.1364/josab.31.002339

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