11 papers
Phase-error estimation for quantum key distribution with leaky receivers
Álvaro Navarrete, Margarida Pereira, Guillermo Currás-Lorenzo +3
Practical quantum key distribution (QKD) receivers may leak information about their measurement outcomes and settings to the channel (e.g., through detector backflashes or back-ref…
Finite-key security analysis of decoy-state QKD with source and detector imperfections
Xoel Sixto, Guillermo Currás-Lorenzo, Margarida Pereira +3
Decoy-state quantum key distribution (QKD) is the most widely adopted approach for overcoming the limitations of imperfect single-photon sources. However, existing security proofs…
Numerical security analysis for practical quantum key distribution
Ãlvaro Navarrete, Guillermo Currás-Lorenzo, Margarida Pereira +1
Quantum key distribution (QKD) promises information-theoretic security based on quantum mechanics and idealized device models. Practical implementations, however, deviate from thes…
Security of decoy-state quantum key distribution with correlated bit-and-basis encoders
Guillermo Currás-Lorenzo, Guillermo Currás-Lorenzo, Margarida Pereira +3
Practical quantum key distribution (QKD) modulators inevitably introduce correlations, causing the state emitted in a given round to depend on the setting choices made in previous…
Security framework for quantum key distribution with imperfect sources
Guillermo Currás-Lorenzo, Margarida Pereira, Go Kato +2
Imperfect bit-and-basis encoders compromise the security of quantum key distribution (QKD) systems via modulation flaws, side channels and inter-pulse correlations, which invalidat…
Rigorous phase-error-estimation security framework for QKD with correlated sources
Guillermo Currás-Lorenzo, Margarida Pereira, Kiyoshi Tamaki +1
Practical QKD modulators introduce correlations between consecutively emitted pulses due to bandwidth limitations, violating key assumptions underlying many security proof techniqu…