Abstract:We consider the question of whether photon-number-resolving (PNR) detectors provide compelling evidence for the discrete nature of light; i.e., whether they indicate the prior presence of a certain number of discrete photons. To answer this question, we reveal the insufficient signal-to-noise ratio (SNR) of existing PNR detectors, and propose an alternative interpretation for the analysis of PNR detector output that is consistent with a wave picture of light and does not rely on the presumption of light partic… Show more
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