Research on co-propagation of QKD and classical communication by reducing the classical optical power

He Ru-Shi^{1, 2}, Jiang Mu-Sheng^{1, 2, †}, Wang Yang^{1, 2}, Gan Ya-Hui^{1, 2}, Zhou Chun^{1, 2}, Bao Wan-Su^{1, 2, ‡}

The comparison of normalized average power requirement.