The influence of the degree of cross-polarization on the Hanbury Brown-Twiss effect
Asma Al-Qasimi, Mayukh Lahiri, David Kuebel, Daniel F. V. James, Emil Wolf · Optics Express · 2010
We show, by an example, that the knowledge of the degree of coherence and of the degree of polarization of a light beam incident on two photo detectors is not adequate to predict correlations in the fluctuations of the currents generated in the detectors (the Hanbury Brown-Twiss effect). The knowledge of the so-called degree of cross-polarization, introduced not long ago, is also needed.