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Q: Fachverband Quantenoptik und Photonik

Q 8: QI Poster I (joint session QI/Q)

Q 8.18: Poster

Montag, 6. März 2023, 16:30–19:00, Empore Lichthof

System Components for Single-Photon Quantum Key Distribution in the Telecom C-band — •Timm Gao¹, Mareike Lach¹, Tobias Heindel¹, Paweł Holewa^2,3,4, Emilia Zieba-Ostój², Benedek Gaál³, Niels Gregersen³, Aurimas Sakanas³, Meng Xiong^3,4, Marcin Syperek², and Elizaveta Semenova^3,4 — ¹Institut für Festkörperphysik, Technische Universität Berlin, 10623 Berlin, Germany — ²Department of Experimental Physics, Wrocław University of Science and Technology, Wyb. Wyspiańskiego 27, 50-370 Wrocław, Poland — ³DTU Electro, Technical University of Denmark, Kongens Lyngby 2800, Denmark — ⁴NanoPhoton-Center for Nanophotonics, Technical University of Denmark, 2800 Kongens Lyngby, Denmark

We report on the evaluation of system components for single-photon based quantum communication in the telecom C-band. We evaluate the performance of different hardware components for quantum key distribution. Special emphasis lies here on the receiver module, where free-space and fiber-based approaches are comparatively discussed.