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Detector decoy quantum key distribution
Tobias Moroder, Marcos Curty, Norbert Lütkenhaus
Photon number resolving detectors can enhance the performance of many practical quantum cryptographic setups. In this paper, we employ a simple method to estimate the statistics pr…
Comment on "Arbitrated quantum-signature scheme"
Marcos Curty, Norbert Lütkenhaus
We investigate the quantum signature scheme proposed by Zeng and Keitel [Phys. Rev. A 65, 042312 (2002)]. It uses Greenberger-Horne-Zeilinger (GHZ) states and the availability of a…
Upper bounds on the performance of differential-phase-shift quantum key distribution
Hipolito Gomez-Sousa, Marcos Curty
In this paper, we investigate limitations imposed by sequential attacks on the performance of a differential-phase-shift (DPS) quantum key distribution (QKD) protocol with weak coh…
Effect of detector dead-times on the security evaluation of differential-phase-shift quantum key distribution against sequential attacks
Marcos Curty, Kiyoshi Tamaki, Tobias Moroder
We investigate limitations imposed by detector dead-times on the performance of sequential attacks against a differential-phase-shift (DPS) quantum key distribution (QKD) protocol…