Practical free-space quantum key distribution over 1 km
arXiv:quant-ph/9805071 · doi:10.1103/PhysRevLett.81.3283
Abstract
A working free-space quantum key distribution (QKD) system has been developed and tested over an outdoor optical path of ~1 km at Los Alamos National Laboratory under nighttime conditions. Results show that QKD can provide secure real-time key distribution between parties who have a need to communicate secretly. Finally, we examine the feasibility of surface to satellite QKD.
5 pages, 2 figures, 2 tables. Submitted to Physics Review Letters, May 1998
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