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- W2737857087 abstract "摘要 采用生成函数方法,由光场密度算符主方程,求得光场压缩度s,二阶相干度g(x)和光子统计分布的严格解析表达式,同时讨论它们随标度时间τ的演化。计算表明,在双光子吸收过程中,虽然压缩度s逐渐减弱,但相当长的时间内光场仍呈现压缩特性;该过程有利于呈现和增强光子反聚束效应和光子亚泊松分布特性;光子分布的振荡特征维持较短一段时间后很快消失。 Abstract The exact analytic expressions for the photon statistics distribution, the squeezing degree S and the second order degree of coherence g(2) of light field are obtained by using the master equation for the density operator of light field and applying the generation-function method. The evolution of these quantities with the scale-time τ are discussed. It is shown that the squeezing degree S, which is gradually reduced in two-photon absorption process, may still exhibit the squeezing feature. Moreover, the process is favorable to the existence and the enhancement of photon antibunching effect and photon sub-poissonian statistics feature, but the oscillatory characteristics of photon statistics distribution disappear rapidly after having been preserved in a short time. 作者及机构信息 何林生, 江海河, 柳尚青, 夏宇兴 1. 中国科学院安徽光学精密机械研究所,合肥,230031 基金项目: 国家自然科学基金 Authors and contacts He Lin-sheng, Jiang Hai-he, Liu Shang-qing, Xia Yu-xing 1. 中国科学院安徽光学精密机械研究所,合肥,230031 参考文献 施引文献" @default.
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- W2737857087 date "1991-01-01" @default.
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- W2737857087 title "EVOLUTION OF SQUEEZED STATE FIELD IN A TWO-PHOTON ABSORPTION MEDIUM" @default.
- W2737857087 doi "https://doi.org/10.7498/aps.40.718" @default.
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