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•Idea of Single Molecule Dynamic Triangulation. (2006)
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•Observation of violations of the Bloch equations under strong optical excitation (studied with single molecules) and its theoretical description. (2004)
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•A pioneering work on electronic energy relaxation in polymers doped with chromophors. First direct measurements of coherent emission of single molecules. (2001)
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•First observation of non Lorentzian spectral lines caused by coherence transfer processes. (2000)
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•Single molecule spectroscopy at mK temperatures. Distribution of single molecule line-widths. Theory of single molecule line shapes in a fluctuating environment. (1999)
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•Time-resolved single molecule spectroscopy. (1998)
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•Study of single molecule properties under two- and one-photon excitation. (1997)
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•First two-photon excited single molecule spectrum. (1995)
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•First image of a single molecule with a conventional optical microscope. New class of systems for single molecule spectroscopy. First experiment on single molecules under near-field excitation at cryogenic temperatures. (1994)