SKM 2021 – scientific programme

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SYPQ: Symposium The Rise of Photonic Quantum Technologies – Practical and Fundamental Aspects

SYPQ 1: Symposium: The Rise of Photonic Quantum Technologies – Practical and Fundamental Aspects

SYPQ 1.5: Invited Talk

Friday, October 1, 2021, 12:15–12:45, Audimax 2

Quantum communication in fibers and free-space — •Rupert Ursin — Institute for Quantum Optics and Quantum Information - Vienna of the Austrian Academy of Sciences, Austria — Quantum Technology Laboratories GmbH, Vienna, Austria

Quantum communication is by far the most technically advanced and mature field within the emerging field of quantum technologies. It gained a lot of attention over the recent years because of the remarcable achievements in China on satellite links and in fibre based communication networks. I will present the quantum links we've successfully implemented from the Chinese satellite MICIUS to an optical ground station in Graz, Austria. Then I will present our effort to build scalable quantum networks on deployed fibres in the city of Bristol, UK and a quantum link between Malta and Italy on a submarine optical fibre cable. Last but not least I will present the recent efforts to built very bright entangled photon sources and preliminary results from an international collaboration to connects the Central European capital cities around Vienna with quantum optical fibre links.