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Beating Abbe diffraction limit in confocal microscopy via non-classical photon statistics

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arxiv 1406.3251 v2 pith:QN7BANDV submitted 2014-06-11 quant-ph

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keywords confocalmicroscopynon-classicalphotonstatisticsabbearbitrarilyautocorrelation
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We experimentally demonstrate quantum enhanced resolution in confocal fluorescence microscopy exploiting the non-classical photon statistics of single nitrogen-vacancy colour centres in diamond. By developing a general model of super-resolution based on the direct sampling of the kth-order autocorrelation function of the photoluminescence signal, we show the possibility, in some cases, to resolve in principle arbitrarily close emitting centers.

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