Non-Gaussianity dynamics of two-mode squeezed number states subject to different types of noise based on cumulant theory*

Project supported by the Natural Science Foundation of Hunan Province, China (Grant No. 2017JJ2214) and the Key Project Foundation of the Education Department of Hunan Province, China (Grant No. 14A114.

Xiang Shaohua, Zhu Xixiang, Song Kehui
       

(color online) The phase-averaged kurtosis of as a function of interaction time γt for (a) various squeezing parameters r at n = 2 and for (b) different photon numbers n at r = 0.4 when two modes are initially in a squeezed number state under the independent amplitude damping model.