The Probabilistic Model of Keys Generation of QKD Systems
Dmitry Golubchikov, Konstantin Rumiantsev
TL;DR
This paper introduces a comprehensive probabilistic model for quantum key distribution systems, covering all key generation phases and accounting for fiber-optic component characteristics to estimate efficiency and error rates.
Contribution
It presents a novel probabilistic model that encompasses all stages of QKD key generation, including photon creation, transmission, and detection, with equations for key rate and error estimation.
Findings
Derived equations for sifted keys generation efficiency
Estimated bit-error probability in QKD systems
Calculated private key generation rate
Abstract
The probabilistic model of keys generation of QKD systems is proposed. The model includes all phases of keys generation starting from photons generation to states detection taking characteristics of fiber-optics components into account. The paper describes the tree of events of QKD systems. Equations are found for estimation of the effectiveness of the process of sifted keys generation as well as for bit-error probability and for the rate of private keys generation.
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Taxonomy
TopicsSemiconductor Lasers and Optical Devices · Photonic and Optical Devices · Optical Network Technologies