Daylight quantum key distribution over 1.6 km
Quantum key distribution (QKD) has been demonstrated over a point-to-point 1.6-km atmospheric optical path in full daylight. This record transmission distance brings QKD a step closer to surface-to-satellite and other long-distance applications.
Buttler
WT
University of California, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
Hughes
RJ
Lamoreaux
SK
Morgan
GL
Nordholt
JE
Peterson
CG