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XB-ART-45984
Phys Rev Lett 2012 Sep 14;10911:113601.
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Measurement of photon statistics with live photoreceptor cells.

Sim N , Cheng MF , Bessarab D , Jones CM , Krivitsky LA .


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We analyzed the electrophysiological response of an isolated rod photoreceptor of Xenopus laevis under stimulation by coherent and pseudothermal light sources. Using the suction-electrode technique for single cell recordings and a fiber optics setup for light delivery allowed measurements of the major statistical characteristics of the rod response. The results indicate differences in average responses of rod cells to coherent and pseudothermal light of the same intensity and also differences in signal-to-noise ratios and second-order intensity correlation functions. These findings should be relevant for interdisciplinary studies seeking applications of quantum optics in biology.

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