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首页> 外文期刊>Communications in Theoretical Physics >Practical Reference-Frame-Independent Measurement-Device-Independent Quantum Key Distribution Systems Against the Worst Relative Rotation of Reference Frames
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Practical Reference-Frame-Independent Measurement-Device-Independent Quantum Key Distribution Systems Against the Worst Relative Rotation of Reference Frames

机译:独立于框架独立的测量 - 无关的量子密钥分配系统,反对参考框架的最差相对旋转

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摘要

Reference-frame-independent measurement-device-independent QKD (RFI-MDI-QKD), immune to both the slow unknown drift of reference frames and detector side channel attacks, can generate information-theoretic secure keys. Despite its natural resistance to the slow drift of reference frames, the performance of practical RFI-MDI-QKD systems descends with the increasing drift of reference frames. In this paper, we demonstrate the worst relative rotation of reference frames for practical RFI-MDI-QKD systems, and investigate their performance against the worst-case scenario, both of which are unclear to date. Simulation results show that, practical RFI-MDI-QKD systems can achieve quite good performance even against the worst-case scenario, which clearly demonstrates that it is possible to implement practical MDI-QKD systems with freely drifting reference frames.
机译:参考框架无关的测量 - 无关的QKD(RFI-MDI-QKD),对参考帧和探测器侧频道攻击的缓慢未知漂移免疫,可以生成信息理论上的安全键。 尽管其对参考框架的缓慢漂移具有自然阻力,但实际的RFI-MDI-QKD系统的性能下降了参考框架的越来越多的漂移。 在本文中,我们展示了实际RFI-MDI-QKD系统的参考帧的最差相对旋转,并调查它们对最坏情况场景的性能,两者迄今尚不清楚。 仿真结果表明,即使针对最坏情况的情况,实用的RFI-MDI-QKD系统也可以实现相当良好的性能,这清楚地表明它可以实现具有自由漂流参考框架的实用MDI-QKD系统。

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