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基于部分纠缠光子源的高效量子密钥分配方案 被引量:2

High Efficient Quantum Key Distribution Scheme Based on Partial Entangled Photons Source
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摘要 设计了一种高效的部分纠缠光子对产生装置,这套装置中使用了简单的线性光学元件以及双光子吸收介质(TPAM),在文中讨论了TPAM的一种实现方案。我们把此种装置应用于量子密钥分配方案,分析了其效率和安全性,相比于用自发参量下转换(SPDC)产生纠缠光子对的密钥分配方案,该方案有更高的效率和安全性。 This paper designs a setup that can generate partial entangled photons with which efficient quantum key distribution can be performed. The scheme uses a half wave plate, 50:50 beam splitters, mirrors, and two-photon-absorbing mediums. This paper discusses a potential realization of the two-photon-absorbing medium. Compared with the quantum key distribution using entangled photons produced in spontaneous parametric down conversion, this scheme is more efficient and securer.
出处 《量子光学学报》 CSCD 北大核心 2008年第1期34-38,共5页 Journal of Quantum Optics
基金 国家自然科学基金(10504042)
关键词 纠缠光子对 量子密钥分配 双光子吸收 entangled photons quantum key distribution two-photon-absorbing
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参考文献14

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同被引文献21

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