Performance optimization for quantum key distribution in lossy channel using entangled photons
Yang Yu1, Xu Luping1, †, Yan Bo1, Zhang Hongyang1, Shen Yanghe2
       

(color online) The effects of partially entangled photons on the key rate with the number of photons (a) M = 4, (b) M = 8, (c) M = 16, (d) M = 32, together with a single photon scheme (black solid line).