High degree of entanglement and nonlocality of a two-photon state generated at 532 nm F. Sciarrino, G. Vallone, G. Milani, A. Avella, J. Galinis, R. Machulka, A.M. Perego, K.Y. Spasibko, A. Allevi, M. Bondani and P. Mataloni Eur. Phys. J. Special Topics, 199 (2011) 111-125 Published online: 07 December 2011 DOI: 10.1140/epjst/e2011-01507-y