Hybrid linear amplifier-involved detection for continuous variable quantum key distribution with thermal states

He Yu-Qian¹, Mao Yun^{1, †}, Zhong Hai¹, Huang Duang², Guo Ying¹

Secure threshold of channel loss as functions of g_DLA and g_NLA in DR for (a) f = 120 THz and (b) f = 6 THz.