Browsing Artikel und Monographien by Author "Gädeke, Friedemann"

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2014-02-13Zeitschriftenartikel

Evaluation of nitrogen- and silicon-vacancy defect centres as single photon sources in quantum key distribution

Leifgen, Matthias; Schröder, Tim; Gädeke, Friedemann; Riemann, Robert; Métillon, Valentin; Neu, Elke; Hepp, Christian; Arend, Carsten; Becher, Christoph; Lauritsen, Kristian; Benson, Oliver

We demonstrate a quantum key distribution (QKD) testbed for room temperature single photon sources based on defect centres in diamond. A BB84 protocol over a short free-space transmission line is implemented. The performance ...
2011-05-26Zeitschriftenartikel

Ultrabright and efficient single-photon generation based on nitrogen-vacancy centres in nanodiamonds on a solid immersion lens

Schröder, Tim; Gädeke, Friedemann; Banholzer, Moritz Julian; Benson, Oliver

Single photons are fundamental elements for quantum information technologies such as quantum cryptography, quantum information storage and optical quantum computing. Colour centres in diamond have proven to be stable ...