介质中两态叠加多模叠加态光场的和压缩特性研究  

On the Properties of Sum-Squeezing of Multimode Superposition State Light Field with the Superposition of Two Symmetrical Quantum States in Medium

作　　者：韩小卫[1] 

机构地区：[1]渭南师范学院物理系

出　　处：《西安文理学院学报（自然科学版）》2008年第3期49-51,共3页Journal of Xi’an University(Natural Science Edition)

基　　金：陕西省自然科学基金(2004A19);渭南师范学院重点科研基金(08YKF018)

摘　　要：利用多模压缩态理论,对介质中两态叠加多模叠加态光场|ψ(α)>q的不等幂次Nj次方和压缩特性进行了详细的研究.结果发现当各模压缩幂次数之和为偶数时,介质中多模叠加态光场|ψ(α)>q恒处于不等幂次Nj最不测不准态;而当各模压缩幂次数之和为奇数时,多模叠加态光场|ψ(α)>q在一定条件下呈现出周期性变化的Nj次方和压缩效应.By using the theory of multimode squeezed states, the properties of unequal-power Nj-th power sumsqueezing of muhimode superposition state light field ｜ψ^（α）〉q with the superposition of two quantum states in medium was studied. It was found that when the sum of the squeezing power of each mode was even number, the multimode superposition state light field ｜ψ^（α）〉q was always in Nj minimum uncertainty state; when the sum of the squeezing orders of each mode was odd number, under some conditions, the multimode superposition state light field ｜ψ^（α）〉q could also present Nj-th power sum-squeezing that changed periodically in medium.

关 键 词：介质 多模叠加态 光场 压缩效应 和压缩 

分 类 号：O431.2[机械工程—光学工程]