Direct Measurements of the Non-classicality Degree in Photon-number Correlations
Liat Dovrat, Michael Bakstein, Assaf Shaham, E. Megidish, Assaf Halevy, Lior Cohen, D. Istrati, H. S. Eisenberg · Research in Optical Sciences · 2012
We measure the two-mode photon-number distribution of parametric down-conversion for different degrees of correlation. The singular value decomposition of the joint probability matrix is shown to indicate the degree of non-classicality.