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arXiv 2106.01475quant-phcs.NIphysics.app-ph
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极化编码QKD网络中的可重构中继

A Reconfigurable Relay for Polarization Encoded QKD Networks

Jing Wang, Bernardo A. Huberman

摘要:

提出了一种用于极化编码量子密钥分发(QKD)网络的中继节点重构方法。中继可以在可信和不可信模式之间切换,以适应不同的网络条件、中继距离和安全要求。这不仅扩展了QKD网络运行的距离,而且还实现了点对多点(P2MP)网络拓扑。所提出的架构将昂贵且精密的单光子探测器(SPD)集中在中继节点处,易于维护和冷却,同时简化每个用户节点,使得其仅需要用于低成本量子位制备的商用设备。

英文摘要:

We propose a method for reconfiguring a relay node for polarization encoded quantum key distribution (QKD) networks. The relay can be switched between trusted and untrusted modes to adapt to different network conditions, relay distances, and security requirements. This not only extends the distance over which a QKD network operates but also enables point-to-multipoint (P2MP) network topologies. The proposed architecture centralizes the expensive and delicate single-photon detectors (SPDs) at the relay node with eased maintenance and cooling while simplifying each user node so that it only needs commercially available devices for low-cost qubit preparation.

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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