9 April 2012 Implementation of two-way free space quantum key distribution
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Optical Engineering, 51(4), 045006 (2012). doi:10.1117/1.OE.51.4.045006
We report an implementation of a two-way, four-state quantum key distribution (QKD) protocol (namely, the LM05 protocol) over a free space medium. A stable quantum bit error rate of 3.34% and maximum tolerable channel loss for secure key generation of 5.68 dB in the absence of a photon number splitting attack were recorded. The result strongly indicates the feasibility of a two-way QKD protocol implementation over a free space medium.
© 2012 Society of Photo-Optical Instrumentation Engineers (SPIE)
Mohd Fared Abdul Khir, Mazainun A. Mohd Zain, Suhairi Saharudin, Suryadi Soekardjo, Sahbudin Bin Haji Shaari, "Implementation of two-way free space quantum key distribution," Optical Engineering 51(4), 045006 (9 April 2012). https://doi.org/10.1117/1.OE.51.4.045006


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