Hybrid linear amplifier-involved detection for continuous variable quantum key distribution with thermal states
He Yu-Qian1, Mao Yun1, †, Zhong Hai1, Huang Duang2, Guo Ying1
       

Secret key rate as a function of channel loss (dB) using (a) Direct reconciliation (b) reverse reconciliation. The solid line is the standard TS-CVQKD, while the dashed line represents the HLA-involved TS-CVQKD with gNLA = 1.2, gDLA=20 in DR and gNLA = 1.5, gDLA=20 in RR. The dash-dotted line represents the LOCM-involved TS-CVQKD with τ = 0.9 and λ = 1.02 in both the cases.