Publication:
Implementation Of Two-way Free Space Quantum Key Distribution

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2012

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Society of Photo-Optical Instrumentation Engineers

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Abstract

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.

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Mohd Fared Abdul Khir, Mazainun A. Mohd Zain, Suhairi Saharudin, Suryadi Soekardjo, and 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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https://www.spiedigitallibrary.org/journals/optical-engineering/volume-51/issue-4/045006/Implementation-of-two-way-free-space-quantum-key-distribution/10.1117/1.OE.51.4.045006.short?SSO=1
 https://oarep.usim.edu.my/handle/123456789/4468

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