Author

Álvaro Navarrete

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Preprint Aug 2026

Phase-error estimation for quantum key distribution with leaky receivers

A simple finite-key security proof based on phase-error estimation for prepare-and-measure QKD in the presence of either a priori information leakage about the basis choices and/or a posteriori information leakage about the measurement outcomes is presented.

Álvaro Navarrete, Margarida Pereira, Guillermo Currás-Lorenzo et al. · 0 citations

Preprint Jul 2026

Deterministic QKD source robust against side-channel attacks

This work proposes a QKD source that is intrinsically robust against side-channel attacks, and under idealized source assumptions commonly adopted in proposals for existing schemes, conventional decoy-state security analyses apply directly, yielding substantially higher key rates.

Kiyoshi Tamaki, M. Curty, Akihiro Mizutani et al. · 0 citations