Quantum key distribution over 67 km with a plug&play system
Damien Stucki, Nicolas Gisin, Olivier Guinnard, G. Ribordy, Hugo Zbinden · New Journal of Physics · 2002
We present a fibre-optical quantum key distribution system. It works at 1550 nm and is based on the plug&play set-up. We tested the stability under field conditions using aerial and terrestrial cables and performed a key exchange over 67 km between Geneva and Lausanne.