Practical free-space quantum key distribution over 1 km

C. G. Peterson; C. M. Simmons; G. G. Luther; G. L. Morgan; J. E. Nordholt; P. G. Kwiat; R. J. Hughes; S. K. Lamoreaux; W. T. Buttler

arxiv: quant-ph/9805071 · v1 · submitted 1998-05-22 · 🪐 quant-ph

Practical free-space quantum key distribution over 1 km

W. T. Buttler , R. J. Hughes , P. G. Kwiat , S. K. Lamoreaux , G. G. Luther , G. L. Morgan , J. E. Nordholt , C. G. Peterson

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C. M. Simmons

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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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Practical free-space quantum key distribution over 1 km

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