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Fast Quantum Key Distribution with Photon Number Decoys
Daryl Achilles, Ekaterina Rogacheva, Alexei Trifonov
37 - 49
NATO Science for Peace and Security Series - D: Information and Communication Security
Volume 11: Quantum Communication and Security
Abstract

We investigate the use of photon number states to identify eavesdropping attacks on quantum key distribution (QKD) schemes. The technique is based on the fact that different photon numbers traverse a channel with different transmittivity. We then describe a QKD scheme utilizing this method, which overcomes the upper limit on the key generation rate imposed by the dead time of detectors when using a heralded source of photons.

$35.00 / €27.50 / £22.00
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