Coherent State Preparation and Observation of Rabi Oscillations in a Single Molecule

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We report on the excitation of single molecules via narrow zero-phonon transitions using short laser pulses. By monitoring the Stokes-shifted fluorescence, we studied the excited state population as a function of the delay time, laser intensity, and frequency detuning. A pi-pulse excitation was demonstrated with merely 500 photons, and 5 Rabi cycles were achieved at higher excitation powers. Our findings are in good agreement with theoretical calculations and provide a first step toward coherent manipulation of the electronic states of single molecules with few photons.
4 pages, 3 figures

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Quantum Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/217766

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0811.0147
 http://arxiv.org/abs/0811.0147
 Phys. Rev. A 79, 011402(R) (2009)
 doi:10.1103/PhysRevA.79.011402

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arXiv