Journal of Low Temperature Physics manuscript No. (will be inserted by the editor) (original) (raw)

Journal of Low Temperature Physics manuscript No. (will be inserted by the editor)

With the purpose to introduce a useful tool for researches concerning foundations of quantum mechanics and applications to quantum technologies, here we study three quantumness quantifiers for bipartite optical systems: one based on sub-shot-noise correlations, one related to antibunchThis work has been supported by SanPaolo Foundation, Quantum Candela EU Project G. Brida Istituto Nazionale di Ricerca Metrologica, I-10135, Torino, Italia E-mail: g.brida@inrim.it M. Bondani National Laboratory for Ultrafast and Ultraintense Optical Science, C.N.R.-I.N.F.M., I-22100 Como, Italia C.N.I.S.M., U.d.R. Como, I-22100 Como, Italia E-mail: maria.bondani@uninsubria.it I. P. Degiovanni Istituto Nazionale di Ricerca Metrologica, I-10135, Torino, Italia E-mail: i.degiovanni@inrim.it M.Genovese Istituto Nazionale di Ricerca Metrologica, I-10135, Torino, Italia E-mail: m.genovese@inrim.it M. G. A. Paris Dipartimento di Fisica, Università degli Studi di Milano, I-20133 Milano, Italia C.N.I.S.M., U.d...