2022
DOI: 10.3390/e24030344
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Prefixed-Threshold Real-Time Selection for Free-Space Sending-or-Not Twin-Field Quantum Key Distribution

Abstract: As a variant of the twin-field quantum key distribution (TF-QKD), the sending-or-not twin-field quantum key distribution (SNS TF-QKD) is famous for its higher tolerance of misalignment error, in addition to the capacity of surpassing the rate–distance limit. Importantly, the free-space SNS TF-QKD will guarantee the security of the communications between mobile parties. In the paper, we first discuss the influence of atmospheric turbulence (AT) on the channel transmittance characterized by the probability distr… Show more

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Cited by 3 publications
(1 citation statement)
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“…Quantum states can represent a wide range of binary data combinations due to their superposition. Quantum key generation is typically performed by QKD using protocols such as BB84 [ 5 ], twin-field (TF) [ 6 , 7 ], and so on [ 8 , 9 ]. The security of QKD is based on the Heisenberg uncertainty principle and the quantum no-cloning theorem in quantum mechanics [ 2 , 3 ].…”
Section: Introductionmentioning
confidence: 99%
“…Quantum states can represent a wide range of binary data combinations due to their superposition. Quantum key generation is typically performed by QKD using protocols such as BB84 [ 5 ], twin-field (TF) [ 6 , 7 ], and so on [ 8 , 9 ]. The security of QKD is based on the Heisenberg uncertainty principle and the quantum no-cloning theorem in quantum mechanics [ 2 , 3 ].…”
Section: Introductionmentioning
confidence: 99%