Improving continuous-variable quantum key distribution under local oscillator intensity attack using entanglement in the middle
Yang Fang-Li1, Guo Ying2, †, Shi Jin-Jing2, Wang Huan-Li3, Pan Jin-Jin1
       

(color online) The balances between the secret key rates and the maximal channel losses of the middle-based and the original LOIA–CVQKD protocols with coherent states and heterodyne detection for the given parameters V = 20, .