期刊
CHEMICAL PHYSICS LETTERS
卷 345, 期 3-4, 页码 252-258出版社
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DOI: 10.1016/S0009-2614(01)00883-1
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The radiation field emitted from rhodamine molecules adsorbed on a glass surface is investigated at room temperature. Transitions between Poissonian and sub-Poissonian statistics are monitored by tracking the probability of detecting photon pairs after pulsed optical excitation. Fluctuations are analyzed by recording simultaneously the inter-photon time distribution, the emission maximum, and the fluorescence lifetime with a time-resolution in the ms-s time range. The presented technique enables us to determine unequivocally whether an observed chromophoric system behaves as a single quantum emitter at any time. (C) 2001 Published by Elsevier Science B.V.
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