Revealing single emitter spectral dynamics from intensity correlations in an ensemble fluorescence spectrum

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dc.creatorBrokmann, Xavier
dc.creatorMarshall, Lisa
dc.creatorBawendi, Moungi
dc.date2009-01-28
dc.date.accessioned2026-07-07T12:51:48Z
dc.date.available2026-07-07T12:51:48Z
dc.descriptionWe show that the single emitter linewidth underlying a broadened ensemble emission spectrum can be extracted from correlations among the stochastic intensity fluctuations in the ensemble spectrum. Spectral correlations can be observed at high temporal and spectral resolutions with a cross-correlated pair of avalanche photodiodes placed at the outputs of a scanning Michelson interferometer. As illustrated with simulations in conjunction with Fluorescence Correlation Spectroscopy, our approach overcomes ensemble and temporal inhomogeneous broadening to provide single emitter linewidths, even for emitters under weak, continuous, broadband excitation.
dc.description9 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/0901.4425
dc.identifierhttp://arxiv.org/abs/0901.4425
dc.identifierOptics Express, Vol. 17, Issue 6, pp. 4509-4517 (2009)
dc.identifierdoi:10.1364/OE.17.004509
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/223105
dc.subjectOptics
dc.subjectData Analysis, Statistics and Probability
dc.titleRevealing single emitter spectral dynamics from intensity correlations in an ensemble fluorescence spectrum
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