Statistics of states generated by quantum-scissors device*

Project supported by the National Natural Science Foundation of China (Grant Nos. 11725524, 61471356, and 11674089).

Wang Ming-Hao1, 2, †, Yan Guo-An1, 3, ‡
       

Wigner function. (a) Wigner function of the input coherent state with α=12(1+i) . (b) Wigner function of the generated state with α=12(1+i) and k = 0.5. It is obvious that the Wigner function of the generated state has a negative region which shows the nonclassical properties.