Properties of excited squeezed Kerr states

Document Type : Full length research Paper

Authors

1 Department of Photonics, Graduate University of Advanced Technology, Kerman, Iran

2 Department of Physics, Shiraz University of Technology, Shiraz, Iran

Abstract

The Kerr-like medium is a beneficial way to obtain the nonclassicality features of a quantum state of light. Moreover, squeezed states are well-known as the best nonclassical ones. Hence, by applying a two-photon parametric process as well as a Kerr medium, squeezed Kerr states can be generated to improve the nonclassicality aspects of Kerr states. In this paper, excited squeezed Kerr states are introduced in which the excitation is normally expressed via bosonic creation operator. Afterward, some physical properties of the introduced states are numerically studied. It is seen that with the help of excitation, the photon statistics of the radiation field can be changed from Poissonian statistics to sub-Poissonian one. Furthermore, adding photons to the considered quantum states remarkably enhances the depth and the domain of quadrature squeezing.

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