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arXiv 1001.4449quant-ph
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单光子纠缠态的提纯

Purification of Single-photon Entanglement

D. Salart, O. Landry, N. Sangouard, N. Gisin, H. Herrmann, B. Sanguinetti, C. Simon, W. Sohler, R. T. Thew, A. Thomas, H. Zbinden

摘要:

单光子纠缠是一种简单的纠缠形式,存在于共享一个光子的两个空间模式之间。尽管它的基本形式,它提供了一个有用的资源偏振纠缠光子,它可以用于量子隐形传态和纠缠交换操作。在这里,我们报告的第一个实验中,单光子纠缠纯化一个简单的线性光学为基础的协议。除了概念上的兴趣,这一结果可能会发现基于量子中继器的长距离量子通信的应用。

英文摘要:

Single-photon entanglement is a simple form of entanglement that exists between two spatial modes sharing a single photon. Despite its elementary form, it provides a resource as useful as polarization-entangled photons and it can be used for quantum teleportation and entanglement swapping operations. Here, we report the first experiment where single-photon entanglement is purified with a simple linear-optics based protocol. Besides its conceptual interest, this result might find applications in long distance quantum communication based on quantum repeaters.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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