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运用全量子方法建立双光束Λ型三能级原子相互作用系统的理论模型，讨论了该系统的动力学行为和光学量子非破坏测量特性.研究表明在非线性双光束共振状态下，可以实现光学量子非破坏测量.A quantum theoretical model for the system of interaction between two beams and N atoms of Λ-type three-level has been established.The dynamical behavior and the features of the optical quantum non-demolition (QND) measurement are discussed in details.The results show that the efficient QND measurement can be well performed at the operation of the nonlinear double-resonance for two beams.
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