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阐述了操纵和制备各种光场量子态的方案和意义。研究了由光场真空态、双光子Ｆｏｃｋ态同ｎ光子（ｎ＞３）Ｆｏｃｋ态构成的光场叠加态的振幅Ｎ次方压缩特性。
The scheme and significance of manipulating and preparing various quantum states of light field are described. We study the N-th order squeezing of the superposition of the light field formed by the light-field vacuum state and the two-photon Fock state with n-photon (n> 3) Fock states.