Decoy-state reference-frame-independent quantum key distribution with the single-photon-added coherent source

Decoy-state reference-frame-independent quantum key distribution with the single-photon-added coherent source
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具有单光子相干源的诱饵态参考系无关的量子密钥分配

DOI:
10.1007/s11128-018-2063-y
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发表时间:
2018-09
影响因子:
2.5
通讯作者:
Qin Wang
Qin Wang
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Jian-Rong Zhu;Cen-Yang Wang;Kang Liu;Chun-Mei Zhang;Qin Wang

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参考帧无关的量子密钥分发(RFI-QKD)即使在参考帧漂移缓慢的情况下也能生成安全密钥。本文提出利用单光子相干源(SPACS)实现RFI-QKD。仿真结果表明,与弱相干态和前置单光子源相比,SPACS能够显著提高RFI-QKD的密钥生成速率和传输距离。此外,我们的结果表明了优化参数的意义。在考虑统计波动的情况下,带有SPACS的RFI-QKD仍然可以获得非常好的性能。
Reference-frame-independent quantum key distribution (RFI-QKD) can generate secure keys even when the reference frames drift slowly. Here, we propose to realize RFI-QKD with the single-photon-added coherent source (SPACS). Simulation results show that compared with the weak coherent state and the heralded single-photon source, SPACS can remarkably improve the key generation rate and transmission distance of RFI-QKD. Moreover, our results show the significance of optimized parameters. When taking statistical fluctuations into consideration, RFI-QKD with SPACS can still achieve very good performance.
针对参考系最差相对旋转的实用独立于参考系的量子密钥分配系统
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发表时间: 2018-05
影响因子: 1.2
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DOI: 10.1007/s11128-018-2063-y
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影响因子: 2.5
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