Xoel Sixto

Quantum Communication Theory Group

Contact
xsixto@vqcc.uvigo.es
986 13 00 65

About me

Xoel Sixto obtained his Bachelor’s degree in Physics from the University of Santiago de Compostela in 2020. He then continued his academic journey at the same institution, earning a Master’s degree in Physics with a specialization in nuclear and particle physics in 2021. Shortly after, he was awarded a FPI scholarship to pursue his PhD in Quantum Information Science at the University of Vigo, focusing on the implementation security of Quantum Key Distribution (QKD) under the supervision of Prof. Marcos Curty. He successfully defended his doctoral thesis in 2025, earning the International Mention.

Currently, Xoel is a postdoctoral researcher in the Quantum Communication Theory Group at the Vigo Quantum Communication Center (VQCC). His research primarily focuses on the security of Quantum Key Distribution protocols, with a particular emphasis on realistic implementation scenarios, side-channel vulnerabilities, and practical countermeasures that ensure the robustness of quantum communication systems. In addition to QKD, Xoel is interested in other aspects of quantum information science and in finance.

Publications

Journal papers

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Proceedings

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Books

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International conferences

4. D. Trefilov, X. Sixto, V. Zapatero, A. Huang, M. Curty, V. Makarov, “Intensity correlations in decoy-state BB84 QKD systems”, 14th international conference on quantum cryptography (QCRYPT2024), Vigo, Spain, 2-6 September 2024.

National conferences

2. D. Trefilov, X. Sixto, V. Zapatero, A. Huang, M. Curty, V. Makarov, “Intersymbol intensity correlations in BB84 decoy-state QKD systems”, Kick-off Primera Reunión Nacional del Plan Complementario de Comunicaciones Cuánticas, 19-21 September 2023, Madrid.

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