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Author

John Burniston

2 papers indexed here

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Preprint Sep 2026

Security framework for practical quantum key distribution with imperfect devices

Practical quantum key distribution (QKD) systems inevitably exhibit imperfections in both the source and detector. At the same time, the behavior of these imperfect devices is never exactly known due to characterization uncertainty, parameter fluctuations, and potential influence by an adversary. In this work, we prese...

Jerome Wiesemann, John Burniston, Devashish Tupkary et al. · 0 citations
Preprint Sep 2026

Unconditional Security of Discrete-Modulated CV-QKD from Infinite-Dimensional MEAT

This work establishes the first complete composable finite-size security proof for DM CV-QKD protocols against coherent attacks, incorporating imperfect detectors and both fixed- and variable-length protocol variants, and introduces two central results of broader interest: an infinite-dimensional marginal-constrained e...

Lars Kamin, Ian George, John Burniston et al. · 0 citations

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