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Conferences > EQEC > 2023 > eb_5 > eb_5_1
  • Conference on Lasers and Electro-Optics/Europe (CLEO/Europe 2023) and European Quantum Electronics Conference (EQEC 2023)
  • Technical Digest Series (Optica Publishing Group, 2023),
  • paper eb_5_1

Device-independent quantum key distribution using entangled atoms

Tim van Leent, Wei Zhang, Robert Garthoff, Kai Redeker, Florian Fertig, Yiru Zhou, Pooja Malik, René Schwonnek, Sebastian Eppelt, Wenjamin Rosenfeld, Valerio Scarani, Charles C.-W. Lim, and Harald Weinfurter

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Abstract

Device-independent quantum key distribution is the art of establishing secure keys over untrusted channels even when using potentially untrusted devices [1]. It allows the users to check the secure functioning of the underlying quantum devices by a statistical test using a Bell inequality, thereby also ensuring security against implementation flaws—a major vulnerability to quantum key distribution protocols realized so far. An experimental realisation, however, is challenging because it demands high-quality entanglement shared between two remote locations that can be detected with high efficiency.

© 2023 IEEE

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