PT Journal
AU Stucki, D
   Walenta, N
   Vannel, F
   Thew, RT
   Gisin, N
   Zbinden, H
   Gray, S
   Towery, CR
   Ten, S
TI High rate long-distance quantum key distribution  over 250 km of ultra low loss fibres
SO New J. Phys.
PY 2009
BP 075003
VL 11
IS 7
DI 10.1088/1367-2630/11/7/075003
DE SSPD; quantum cryptography; QKD; COW
AB We present a fully automated quantum key distribution prototype running at 625 MHz clock rate. Taking advantage of ultra low loss fibres and low-noise superconducting detectors, we can distribute 6,000 secret bits per second over 100 km and 15 bits per second over 250km.
ER