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Quantum cryptography integrating an optical quantum memory

delete2025-09-19
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OA
AI
H
Hadriel Mamann
T
Thomas Nieddu
F
Félix Hoffet
M
Mathieu Bozzio
F
Félix Garreau de Loubresse
I
Iordanis Kerenidis
E
Eleni Diamanti
A
Alban Urvoy
J
Julien Laurat *
DOI:10.1126/sciadv.adx3223delete
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摘要

摘要

En 中文
可扩展量子网络的发展严重依赖于光学量子存储器,它们是实现量子信息存储的关键组件。这些存储器在纠缠分发和长距离量子通信中发挥着关键作用,在此背景下取得了显著进展。然而,光学存储器具有更广泛的应用,其存储和缓冲能力可以促进未来多种量子技术的发展。这里,我们展示了包含中间量子存储器层的一种密码学协议的演示。具体而言,我们通过引入存储步骤而非实时过程,实现了Wiesner的无伪造量子货币原语。该协议对存储效率和噪声水平提出了严格的要求,以达到安全状态。我们使用弱相干光束的偏振编码和高效率冷原子基量子存储器演示了该协议的实现,并验证了整个方案。我们的结果表明了一种主要能力,为量子存储器的利用和网络功能开辟了更广阔的前景。

期刊

Science Advances 封面图
Science Advances
IF:
12.5
论文数:
2.0W
被引数:
18.1W

机构

S
Sorbonne Université
学者数:
1.7K
论文数: 687
被引数: 8.0W
U
université de paris
学者数:
273
论文数: 132
被引数: 4
E
ens-université psl
学者数:
6
论文数: 1
被引数: 0
U
University of Vienna
学者数:
1.7W
论文数: 1.6W
被引数: 40
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