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Implementation security in quantum key distribution
Víctor Zapatero, Álvaro Navarrete, Marcos Curty
The problem of implementation security in quantum key distribution (QKD) refers to the difficulty of meeting the requirements of mathematical security proofs in real-life QKD syste…
Finite-key security of passive quantum key distribution
Víctor Zapatero, Marcos Curty
The passive approach to quantum key distribution (QKD) consists of eliminating all optical modulators and random number generators from QKD systems, in so reaching an enhanced simp…
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…
Secret key rate bounds for quantum key distribution with non-uniform phase randomization
Xoel Sixto, Guillermo Currás-Lorenzo, Kiyoshi Tamaki +1
Decoy-state quantum key distribution (QKD) is undoubtedly the most efficient solution to handle multi-photon signals emitted by laser sources, and provides the same secret key rate…
Experimental demonstration of fully passive quantum key distribution
Feng-Yu Lu, Ze-Hao Wang, Víctor Zapatero +10
The passive approach to quantum key distribution (QKD) consists of removing all active modulation from the users' devices, a highly desirable countermeasure to get rid of modulator…