Click timing in a gated single-photon detector shifts strongly with pulse energy, enabling attacks that toggle detections between adjacent time slots in QKD.
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Experimental characterization in two industrial prototypes shows intensity correlations between pulses significantly reduce asymptotic key rate in decoy-state BB84, with higher-order effects dominating.
Introduces a wide-spectrum security evaluation method and testbench for fiber-optic components in QKD systems to detect and mitigate optical attacks such as Trojan-horse across 400-2300 nm.
citing papers explorer
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Energy-time attack on detectors in quantum key distribution
Click timing in a gated single-photon detector shifts strongly with pulse energy, enabling attacks that toggle detections between adjacent time slots in QKD.
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Intensity correlations in decoy-state BB84 quantum key distribution systems
Experimental characterization in two industrial prototypes shows intensity correlations between pulses significantly reduce asymptotic key rate in decoy-state BB84, with higher-order effects dominating.
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Wide-spectrum security of quantum key distribution
Introduces a wide-spectrum security evaluation method and testbench for fiber-optic components in QKD systems to detect and mitigate optical attacks such as Trojan-horse across 400-2300 nm.