Optimization of Quantum Key Distribution Protocols
C. Tannous, J. Langlois
TL;DR
This paper reviews and compares various quantum key distribution protocols, analyzing their optimization strategies to enhance security and performance over long distances.
Contribution
It provides a comprehensive analysis of multiple QKD protocols and discusses optimization techniques tailored to each, advancing practical quantum communication.
Findings
BBM92, DPSK, SARG04, and MDI protocols achieve varying distances and key rates.
Optimization steps significantly improve protocol security and efficiency.
Theoretical insights guide practical implementations of QKD systems.
Abstract
Quantum Key Distribution is a practically implementable information-theoretic secure method for transmitting keys to remote partners performing quantum communication. After examining various protocols from the simplest such as QC and BB84 we move on to describe BBM92, DPSK, SARG04 and finally MDI from the largest possible communication distance and highest secret key bitrate. We discuss how any protocol can be optimized by reviewing the various steps and underlying assumptions proper to every protocol with the corresponding consequence in each case.
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Taxonomy
TopicsQuantum Information and Cryptography · Quantum Mechanics and Applications · Quantum Computing Algorithms and Architecture