Statistics of states generated by quantum-scissors device Project supported by the National Natural Science Foundation of China (Grant Nos. 11725524, 61471356, and 11674089). |
Intensity gain for coherent state as a function of k with |α| = 0.4, 0.6, 0.8, and 1.0. Here, the amplification (i.e., g > 1) occurs only for |α| < 1. |