运用全量子理论,研究了∧型三能级原子与二项式光场相互作用过程中光场的量子特性;讨论了∧型三能级原子初始状态和二项式光场系数对光场压缩和二阶相干度特性的影响.在选择较小的原子失谐量γ和二项式光场系数η时,光场表现为光子聚束效应和反聚束效应交替出现,若上述参量较大时,光场呈现完全的反聚束效应;适当选取△和η,在一定时域内耦合系统光场的X<,1分量将呈现出压缩效应.表明二项式光场与∧型三能级原子作用时,光场在一定条件下将处于压缩态,且可呈现出持续的反聚束特性.
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