High degree of entanglement and nonlocality of a two-photon state generated at 532 nmF. Sciarrino, G. Vallone, G. Milani, A. Avella, J. Galinis, R. Machulka, A.M. Perego, K.Y. Spasibko, A. Allevi, M. Bondani and P. MataloniEur. Phys. J. Special Topics, 199 (2011) 111-125DOI: https://doi.org/10.1140/epjst/e2011-01507-y