Finite-size analysis of continuous-variable quantum key distribution with entanglement in the middle<xref rid="cpb_28_1_010305fn1" ref-type="fn">*</xref> <fn id="cpb_28_1_010305fn1"> <label>*</label> <p>Project supported by the National Natural Science Foundation of China (Grant Nos. 61572529, 61871407, and 61801522) and the China Postdoctoral Science Foundation (Grant Nos. 2013M542119 and 2014T70772).</p> </fn>

Finite-size analysis of continuous-variable quantum key distribution with entanglement in the middle* *

Project supported by the National Natural Science Foundation of China (Grant Nos. 61572529, 61871407, and 61801522) and the China Postdoctoral Science Foundation (Grant Nos. 2013M542119 and 2014T70772).

Guo Ying^{1, 2}, Su Yu², Zhou Jian², Zhang Ling², Huang Duan^{2, †}

(a) Secret key rate under collective attacks. (b) Secret key rate under coherent attacks. In both figures, from top to bottom, the block lengths N = ∞, 10⁵ and 10⁴. The modulation variance V is 10, the reconciliation efficiency is 0.95, and the security parameter ε is set as 10⁻¹⁰.