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Boosting quantum key distribution via the end-to-end physical control

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arxiv 2109.05575 v1 pith:E4G665EL submitted 2021-09-12 quant-ph

Boosting quantum key distribution via the end-to-end physical control

classification quant-ph
keywords quantumcontroldistributionend-to-endexistingphysicalprotocolstechnique
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Quantum key distribution (QKD) is a cornerstone of the secure quantum encryption. Building on the quantum irreversibility, we develop a technique reborning the existing QKDs into protocols that are unrestricted in distance and have unprecedented high rates enhanced up to the standard protocols communication speeds. The core of our method is the continuous end-to-end physical control of information leaks in the quantum channel. Contrary to the existing long-distance QKD offerings, our technique does not require any trust nodes.

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