摘要
本文研究了密度矩阵为ｐ∝ａ＾＋ｍｅ＾－βａ＾＋ａａ＾ｍ光场态的高阶非经典效应，结果表明这种态的高阶反聚束对任意和ｍ和β均可存在，尤其对于较大的ｍ和较高阶的反聚束，光场的高阶起伏随ｎ（ｎ＝１／（ｅ＾β－１））按抛物线规律变化，但不会呈现各阶缩效应，包括振幅平方压缩。
The higher-order nonclassical properties of a state, whose density matrix is ρ ∝a+me-βa+aam, are studied in this paper. The results show that the higher-order antibunching always exists in this state for any m and β,especially for the bigger m and thehigher-order antibunching. The higher-order fluctuation of field amplitude changes with( = l/(eβ - 1)) according to parabola, but there is no any order squeezing, includingamplitude-squared squeezing in the state.
关键词
高阶反聚束
振幅起伏
压缩
量子光学
光场
higher-order antibunching,fluctuation of amplitude,squeezing.
