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两个强度相同相位不同的激发相干态的叠加态呈现出多种非经典的特征．在一定的条件下，随着相位差的变化，叠加态的平均光子数出现类似于 Ｒａｂｉ 振荡的崩塌和复原现象，光场的正交分量压缩和亚泊松分布都比单个激发相干态得到增强．
Two superimposed states of excited coherent states with different intensities and different phases show a variety of non-classical features. Under certain conditions, with the change of phase difference, the average number of photons in the superposed state appears similar to the collapse and recovery of the Rabi oscillation. Both the orthogonal component compression and the sub-Poisson distribution of the light field are stronger than the single excited coherent state .