High-dimensional entanglement concentration of twisted photon pairs
High-dimensional entanglement concentration of twisted photon pairs
复制标题
扭曲光子对的高维纠缠集中
DOI:
10.7452/lapl.201210066
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发表时间:
2012-08
影响因子:
1.7
通讯作者:
Wu Qiuping
中科院分区:
文献类型:
--
作者:
Chen Lixiang;Wu Qiuping
Recently, Dada et al. reported on the experimental entanglement concentration and violation of generalized Bell inequalities with orbital angular momentum (OAM) [Nat. Phys. 7, 677 (2011)]. Here we demonstrate that the high-dimensional entanglement concentration can be performed in arbitrary OAM subspaces with selectivity. Instead of violating the generalized Bell inequalities, the working principle of present entanglement concentration is visualized by the biphoton OAM Klyshko picture, and its good performance is confirmed and quantified through the experimental Shannon dimensionalities after concentration.
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