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arXiv · 2304.05570

Nonlinear displaced Kerr state and its nonclassical properties

Arpita Chatterjee·Rupamanjari Ghosh
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Abstract

We construct a distinct class of nonlinear displaced Kerr state by application of the displacement operator upon a state which is prepared by sending the well-known photon-added coherent state through a normal Kerr medium. A sketch for the experimental set-up for preparing the state is suggested. We evaluate some statistical properties such as the photon number distribution, Mandel's $Q$ parameter, Husimi-$Q$ and Wigner functions, and quadrature squeezing, for the nonlinear displaced Kerr state, and then analyze the nonclassicality in terms of these standard parameters. We reduce the infinite-level problem to a truncated discrete two-level system by using low Kerr parameter approximation and then convert the generated nonclassicality into bipartite entanglement between the two modes of an output state of a linear optical device.

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Arpita Chatterjee, Rupamanjari Ghosh. 2023-04-12. Nonlinear displaced Kerr state and its nonclassical properties. https://doi.org/10.1364/josab.33.001511

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