Abstract
A quantum key distribution system based on photon pairs entangled in energy-time and optimized for long distance transmission is presented. It is based on a Franson arrangement for monitoring quantum correlations, and uses a protocol analogous to BB84. Passive state preparation is implemented by polarization multiplexing in the interferometers. We distributed a sifted key of 0.4 Mbits at a raw rate of 134 Hz and with an error rate of 8.6% over a distance of 8.5 kilometers.
Cite
CITATION STYLE
Ribordy, G., Gisin, N., & Zbinden, H. (2006). Long Distance Entangled State Quantum Key Distribution. In Quantum Communication, Computing, and Measurement 3 (pp. 253–259). Kluwer Academic Publishers. https://doi.org/10.1007/0-306-47114-0_41
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