Statistics of states generated by quantum-scissors device<xref rid="cpb_28_3_030302fn1" ref-type="fn">*</xref><fn id="cpb_28_3_030302fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant Nos. 11725524, 61471356, and 11674089).</p></fn>

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-Hao^{1, 2, †}, Yan Guo-An^{1, 3, ‡}

Wigner function. (a) Wigner function of the input thermal state with n¯=0.5 . (b) Wigner function of the generated state with n¯=0.5 and k = 0.5. It is obvious that the Wigner function of the generated state has a negative region which shows the non-classical properties.