Quantum Key Distribution with Nonbinary Phase–Time Encoding That Admits an Exact Proof of Secrecy

A quantum key distribution (QKD) protocol with nonbinary encoding is proposed that admits an exact proof of secrecy. The protocol provides higher rate of key generation compared with the BB84 protocol and, moreover, has a simple experimental implementation without active elements on the receiver sid...

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Bibliographic Details
Published in:Journal of experimental and theoretical physics 2019-05, Vol.128 (5), p.700-706
Main Author: Molotkov, S. N.
Format: Article
Language:English
Subjects:
Atoms
Classical and Quantum Gravitation
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Coding
COMPARATIVE EVALUATIONS
Cryptography
Cybernetics
DISTRIBUTION
Elementary Particles
Molecules
Optics
Particle and Nuclear Physics
Physics
Physics and Astronomy
POLARIZATION
QUANTUM CRYPTOGRAPHY
Quantum Field Theory
QUANTUM INFORMATION
Quantum mechanics
Relativity Theory
Solid State Physics
Technology
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Description
Summary:A quantum key distribution (QKD) protocol with nonbinary encoding is proposed that admits an exact proof of secrecy. The protocol provides higher rate of key generation compared with the BB84 protocol and, moreover, has a simple experimental implementation without active elements on the receiver side, that does not require polarization matching at the output of the communication line.
ISSN:1063-7761
1090-6509
DOI:10.1134/S1063776119040101