Journal
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
Volume 92, Issue 1, Pages -Publisher
PHYSICAL SOC JAPAN
DOI: 10.7566/JPSJ.92.014001
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In this study, we analyze the security against collective attacks for a homodyne-based continuous-variable quantum key distribution protocol using binary coherent states and postselection. We derive a lower bound of the secret key rate in an asymptotic scenario and numerically optimize it for the case of a symmetric Gaussian channel.
We analyze the security against collective attacks for a homodyne-based continuous-variable quantum key distribution protocol using binary coherent states and postselection. We derive a lower bound of the secret key rate in an asymptotic scenario and numerically optimize it for the case of a symmetric Gaussian channel.
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