posted on 2023-11-30, 18:45authored byNijil Lal, Biveen Shajilal, Ali Anwar, Chithrabhanu Perumangatt, R. P. Singh
Heralded single photon sources (HSPS) from spontaneous parametric down-conversion are widely used as single photon sources. We study the photon number statistics of an HSPS carrying orbital angular momentum in our laboratory and observe the sub-Poissonian statistics using only photo detectors and an oscilloscope.