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Improvement of the safe transmission distance via optimization of the photon number distribution for the faint optical pulse in practical quantum key distribution systems

Zhantong Qi, Cong Du, Xiaojuan Qin, Jindong Wang, Zhengjun Wei and Zhiming Zhang

Eur. Phys. J. D, 73 8 (2019) 161

DOI: https://doi.org/10.1140/epjd/e2019-90376-9

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