Abstract
提出两种实现多光子高维空间纠缠态的制备方案．首先给出一种基于后验选择技术的实现方案，此方案以一定的概率实现．然后以基于弱交叉科尔效应的控制路径（C-path）门为基础，给出任意双光子任意维度的空间纠缠态的制备方案，并将此方案推广到任意多光子任意维度的空间纠缠态的制备．这一制备方案的最大优点在于可以确定性的得到纠缠态，并且不需要复杂的后验选择技术，可以很方便的应用于量子信息过程，同时该方案在目前的实验条件下是可行的．
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