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Spontaneous emission enhancement of a single molecule by a double-sphere nanoantenna across an interface

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Chen,  X-W.
Sandoghdar Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Goetzinger,  S.
Sandoghdar Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Sandoghdar,  V.
Sandoghdar Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Lee, K.-G., Eghlidi, H., Chen, X.-W., Renn, A., Goetzinger, S., & Sandoghdar, V. (2012). Spontaneous emission enhancement of a single molecule by a double-sphere nanoantenna across an interface. Optics Express, 20, 23331-23338. doi:10.1364/OE.20.023331.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-687B-F
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. (C) 2012 Optical Society of America