Counting of Hong-Ou-Mandel Bunched Optical Photons Using a Fast Pixel Camera
arXiv:2005.07982 · doi:10.3390/s20123475
Abstract
The uses of a silicon-pixel camera with very good time resolution (nanosecond) for detecting multiple, bunched optical photons is explored. We present characteristics of the camera and describe experiments proving its counting capabilities. We use a spontaneous parametric down-conversion source to generate correlated photon pairs, and exploit the Hong-Ou-Mandel interference effect in a fiber-coupled beam splitter to bunch the pair onto the same output fiber. It is shown that the time and spatial resolution of the camera enables independent detection of two photons emerging simultaneously from a single spatial mode.
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