Mainz 2026 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 48: QuanTour IV – Building Blocks
Q 48.5: Vortrag
Donnerstag, 5. März 2026, 12:15–12:30, P 7
Quantum communication protocols with Quantum Dots as a source of Polarization-entangled photons — Michele Rota1, Francesco Basso Basset1,2, Alessandro Laneve1, •Francesco Salusti3, Nicolas Claro Rodriguez3, Giuseppe Ronco1, Mattia Beccaceci1, Tobias M. Krieger4, Quirin Buchinger5, Saimon F. Covre da Silva6, Sandra Stroj7, Mariia Gumberidze8, Vladyslav Usenko8, Sven Höfling5, Tobias Huber-Loyola5,9,10, Mario A. Usuga Castaneda11, Armando Rastelli4, Klaus D. Jöns3, and Rinaldo Trotta1 — 1Department of Physics, Sapienza University of Rome, Rome, Italy — 2Dipartimento di Fisica, Politecnico di Milano, Milano, Italy — 3PhoQS Institute, CeOPP, and Department of Physics, Paderborn University, Paderborn, Germany — 4Institute of Semiconductor and Solid State Physics, Johannes Kepler University, Linz, Austria — 5Technische Physik, University of Würzburg, Würzburg, Germany — 6Universidade Estadual de Campinas, Instituto de Fisica Gleb Wataghin, Campinas, Brazil — 7Research Center for Microtechnology, Vorarlberg University of Applied Sciences, CAMPUS V, Dornbirn, Austria — 8Department of Optics, Palacký University, Olomouc, Czech Republic — 9Institute of Photonics and Quantum Electronics, Karlsruhe Institute of Technology, Karlsruhe, Germany — 10Center for Integrated Quantum Science and Technology (IQST), Karlsruhe Institute of Technology, Karlsruhe, Germany — 11Single Quantum B.V., Delft, The Netherlands
We demonstrate entanglement swapping exploiting a quantum dot in a cavity, using entangled photons for a modified Ekert91 protocol.
Keywords: Quantum Dots; Quantum Communication; Entanglement swapping; Quantum Key Distribution; Cavity