Nonclassicality of Coherent Photon-Subtracted Two Single-Modes Squeezed Vacuum State
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We introduce a two-mode non-Gaussian state, generated by nonlocal coherent photon-subtraction (CPS) from two single-mode squeezed vacuum states (TSSV). Its normalized factor is turned out to be related with a Legendre polynomial. We further investigate the nonclassical properties of the CPS-TSSV through cross-correlation function, antibunching effect, photon number distribution, wave function and Wigner function. It is shown that the CPS operation can produce the vortex state and can exhibit the highly nonclassical properties.
KeywordsNon-Gaussian state Coherent photon-subtraction The vortex state Nonclassicality
This project was supported by the National Natural Science Foundation of China (Grant Nos. 11264018, 11175113 and 11264016) and the Natural Science Foundation of Jiangxi Province of China (No. 2009GZW0006) as well as the Research Foundation of the Education Department of Jiangxi Province of China (Nos. GJJ12171 and GJJ12172).