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Q: Fachverband Quantenoptik und Photonik

Q 69: Quanteninformation: Kommunikation

Q 69.4: Vortrag

Freitag, 16. März 2012, 14:45–15:00, V38.04

Security of Continuous Variable Quantum Key Distribution using the Entropic Uncertainty Relation — •Torsten Franz1, Fabian Furrer1, Mario Berta2, Volkher B. Scholz1, Marco Tomamichel2, and Reinhard F. Werner11Institut für Theoretische Physik, Leibniz Universität Hannover — 2Institut für Theoretische Physik, ETH Zürich

We report on a security proof for continuous variable QKD using the entropic uncertainty relation. Our analysis is valid under general coherent attacks, gives bounds for finite key length and is composable secure. We give extractable key rates for a protocol using two mode squeezed vacuum states that is implementable with current technology. (see arXiv: 1112.2179)

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DPG-Physik > DPG-Verhandlungen > 2012 > Stuttgart