提出了二能级原子与双模光场耦合系统的纠缠纯化方案,并对系统纯化前后量子传输保真度进行了研究.研究表明:通过调整两个量子逻辑门的旋转角度,可以有效地改进相位阻尼和失谐对量子传输保真度的影响,并且获得了通过纯化后的信道进行传输的最大保真度.
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