Multi-copy entanglement purification with practical spontaneous parametric down conversion sources
Zhang Shuai-Shuai1, 3, Shu Qi1, 3, Zhou Lan2, Sheng Yu-Bo1, †
       

(color online) The increased fidelity altered with the initial fidelity F. The curve A is this three-copy EPP with SPDC sources. Curve B is the EPP in Ref. [50].