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Performance of Cascade and LDPC Codes for Information Reconciliation on Industrial Quantum Key Distribution Systems

Year: 2025
Type: article
Abstract: ABSTRACT Information reconciliation is a critical component of quantum key distribution, ensuring that mismatches between Alice's and Bob's keys are corrected. In this study, we analyse, simulate, optimise and compare the performance of two prevalent algorithms used for information reconciliation: Cascade and LDPC codes in combination with the blind protocol. We focus on their applicability in practical and industrial settings, operating in realistic and application‐close conditions. The results are further validated through evaluation on a live industrial QKD system.
DOI: 10.1049/qtc2.70003
Authors: Ronny Mueller, Claudia De Lazzari, Fernando Chirici, Ilaria Vagniluca, Leif Katsuo Oxenløwe, Søren Forchhammer, Alessandro Zavatta, Davide Bacco
Language: English
Open Access status: gold
Estimated APC paid: $2,500
Awards: G2687008526, G3864777430, G4321530617, G507880695, Center for Silicium Fotonik til Optisk Kommunikation (SPOC), G7511388820, G931960298
OpenAlex ID: W4411116810
FWCI: 1.213
Cites: 61
Cited by: 3
Related to: 10