Browsing by Author "Zhluktova I."

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    Resilience of Quantum Key Distribution Source against Laser-Damage Attack by a Variety of Lasers
    (2023-01-01) Ruzhitskaya D.; Zhluktova I.; Ponosova A.; Trefilov D.; Chaiwongkhot P.; Huang A.; Kamynin V.; Makarov V.; Ruzhitskaya D.; Mahidol University
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    Resilience of Quantum Key Distribution Source against Laser-Damage Attack by a Variety of Lasers
    (2023-01-01) Ruzhitskaya D.; Zhluktova I.; Ponosova A.; Trefilov D.; Chaiwongkhot P.; Huang A.; Kamynin V.; Makarov V.; Mahidol University
    Quantum key distribution (QKD) systems provide quantum-safe key exchange. Therefore, complete security analysis of implementations of QKD protocols is in the focus of interest of a worldwide information-security community. For today, a number of QKD loopholes are closed by countermeasures, which are also considered in emerging QKD security evaluation and certification [1-3]. However, new threats to practical QKD implementations are still found, such as the laser-damage attack, which is a powerful hacking strategy. In investigations, CW laser radiation is most often used, but in contrast to it, the interaction of pulsed laser radiation with optical materials may lead to a wide range of effects, like nonlinear effects, dielectric breakdown, etc.