Finite-size general security for DPSK QKD is achieved with positive key rates for 10^5 signals beyond 12 dB loss via variable-length entropy accumulation and conic optimization.
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Authors provide analytical bound and gradient for Rényi quantities to extend numerical QKD finite-key optimization, reporting gains in high-loss low-block regimes.
Overview of recent analytical and numerical developments in QKD security proofs that incorporate imperfections to re-establish security under realistic conditions.
citing papers explorer
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Finite-size general security for differential phase shift keying via variable-length quantum key distribution
Finite-size general security for DPSK QKD is achieved with positive key rates for 10^5 signals beyond 12 dB loss via variable-length entropy accumulation and conic optimization.
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Generalized Numerical Framework for Improved Finite-Sized Key Rates with R\'enyi Entropy
Authors provide analytical bound and gradient for Rényi quantities to extend numerical QKD finite-key optimization, reporting gains in high-loss low-block regimes.
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Quantum Key Distribution with Imperfections: Recent Advances in Security Proofs
Overview of recent analytical and numerical developments in QKD security proofs that incorporate imperfections to re-establish security under realistic conditions.