Free Space Quantum Key Distribution over 500 Meters using Electrically Triggered Quantum Dot Single-Photon Sources
Tobias Heindel, Markus Rau, Sebastian Unsleber, Tristan Braun, Julian Fischer, Christian Schneider, Stefan Frick, Sebastian Nauerth, Gwenaëlle Vest, Stephan Reitzenstein, A. Forchel, Sven Höfling, Harald Weinfurter, Martin Kamp · Research in Optical Sciences · 2014
Quantum key distribution experiments using electrically triggered quantum dot single-photon sources are reported. We achieve sifted key rates of 11.6 kbit/s at a quantum bit error ratio of 6 % over 500 m distance.