Spontaneous emission enhancement of a single molecule by a double-sphere nanoantenna across an interface
arXiv:1208.1113 · doi:10.1364/OE.20.023331
Abstract
We report on two orders of magnitude reduction in the fluorescence lifetime when a single molecule placed in a thin film is surrounded by two gold nanospheres across the film interface. By attaching one of the gold particles to the end of a glass fiber tip, we could control the modification of the molecular fluorescence at will. We find a good agreement between our experimental data and the outcome of numerical calculations.
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