Security of EPR-based Quantum Key Distribution using three bases
Hitoshi Inamori
TL;DR
This paper extends the security proof of EPR-based quantum key distribution to a three-basis protocol, achieving higher error tolerance and enhancing security analysis.
Contribution
It introduces a modified security proof for a three-basis EPR protocol, improving upon previous two-basis security analyses.
Findings
Higher tolerable error rate for the three-basis protocol
Modified security proof applicable to three conjugate bases
Enhanced security guarantees for EPR-based QKD
Abstract
Modifications to a previous proof of the security of EPR-based quantum key distribution are proposed. This modified version applies to a protocol using three conjugate measurement bases rather than two. A higher tolerable error rate is obtained for the three-basis protocol.
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Taxonomy
TopicsQuantum Information and Cryptography · Molecular Junctions and Nanostructures · Quantum optics and atomic interactions