利用一个两体最大纠缠相干态作为量子通道,通过线性光学器件实现了连续变量纠缠态的纠缠交换方案.采用分束器和相移器这两种线性光学器件,借助量子隐形传态的思想,实现了三体纠缠相干态的纠缠交换,这一纠缠交换只有一种测量过程是失败的,但几率很小.详细的分析显示,当光场平均光子数大于2,成功纠缠交换任意三体纠缠相干态的概率和总平均最小保真度接近1.
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