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Coherent state preparation and observation of Rabi oscillations in a single molecule

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Gerhardt, I., Wrigge, G., Zumofen, G., Hwang, J., Renn, A., & Sandoghdar, V. (2009). Coherent state preparation and observation of Rabi oscillations in a single molecule. Physical Review A, 79: 011402. doi:10.1103/PhysRevA.79.011402.


Cite as: http://hdl.handle.net/21.11116/0000-0002-9A93-A
Abstract
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.