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Chinese Physics Letters

Optical Realization of Deterministic Entanglement Concentration of Polarized Photons

顾永建, 咸良, 李文东, 马丽珍

Published Jan 1, 2008• 0 citations
OpenAlex

Abstract

我们为极化的光子的确定的纠纷集中的光实现建议一个计划。由于在光子之间的足够地强壮的相互作用的缺乏克服困难,远距传物被采用转移二个光子的极化状态到路径和第三个光子的极化状态上,它被确定、完全的贝尔状态测量的最近的试验性的实现使可能。然后,要求的积极珍视操作员的测量和进一步的操作能被实现由使用线性光安装的确定的联盟者。这些在当前的技术的活动范围以内的所有。

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We propose a scheme for optical realization of deterministic entanglement concentration of polarized photons. To overcome the difficulty due to the lack of sufficiently strong interactions between photons, teleportation is employed to transfer the polarization states of two photons onto the path and polarization states of a third photon, which is made possible by the recent experimental realization of the deterministic and complete Bell state measurement. Then the required positive operator-valued measurement and further operations can be implemented deterministically by using a linear optical setup. All these are within the reach of current technology.