Author:
Nguyen Huy Q.,Hajomer Adnan A. E.,Derkach Ivan,Jain Nitin,Andersen Ulrik L.,Gehring Tobias
Abstract
We experimentally investigate the impact of non-optimal state preparation on a Gaussian-modulated coherent state CVQKD system. We show that modulation with imbalanced strength in the amplitude and phase quadratures reduces the optimal key rate over certain distance.