Practical free-space quantum key distribution over 1 km

Details Practical free-space quantum key distribution over 1 km Practical free-space quantum key distribution over 1 km

1998-05-22

arxiv.org/abs/quant-ph/9805071v1

Phys.Rev.Lett.81:3283-3286,1998

Physics

Quantum Physics

5 pages, 2 figures, 2 tables. Submitted to Physics Review Letters, May 1998

Scientific paper

10.1103/PhysRevLett.81.3283

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.

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