Erlangen 2018 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 40: Poster: Quantum Optics and Photonics III
Q 40.11: Poster
Dienstag, 6. März 2018, 16:15–18:15, Zelt West
Overview over recent quantum key distribution activities at MPL — Ömer Bayraktar1,2, Dominique Elser1,2, Tobias Frank1,2, •Kevin Günthner1,2, Kevin Jaksch1,2, Imran Khan1,2, Christian R. Müller1,2, Jonas Pudelko1,2, Stefan Richter1,2, Christoph Marquardt1,2, and Gerd Leuchs1,2 — 1Max Planck Institute for the Science of Light, Staudtstraße 2, 91058 Erlangen, Germany — 2IOIP, Friedrich-Alexander University Erlangen-Nuremberg (FAU), Staudtstr. 7/B2, 91058 Erlangen, Germany
Quantum key distribution (QKD) can provide secure communication, even in the upcoming era of quantum computers. Thus, QKD is one of the most highlighted and developed quantum technologies. Over the last years, this research area has been investigated intensively at the Max Planck Institute for the Science of Light (MPL) in Erlangen. On this poster, we give an overview of these activities. We study both fiber-based QKD, being compatible with existing telecom technology [1], as well as free-space channels. Here, we analyze urban scenarios using our free-space link in Erlangen [2] as well as long-haul satellite quantum communication [3]. Additionally, we present our plans for the spin-off InfiniQuant, aiming towards commercialization of our QKD systems.
[1] I. Khan et al., QCrypt 2016
[2] B. Heim et al., New J. Phys. 16, 113018 (2014)
[3] K. Günthner et al., Optica 4, 611-616 (2017)