Effect of Amplitude Mismatch on Entanglement Visibility in Photon-Pair Sources
Paulina S. Kuo · OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF) · 2020
Entangled photons produced by parametric down-conversion effectively have two down-conversion paths. Ideally, amplitudes of the two paths are matched. We show that the entanglement visibility is, to first order, insensitive to amplitude mismatch.