Abstract
The occurence of Rabi flopping in excitonic transitions of semiconductors [1,2] demonstrate that an intense light field can induce a non-perturbative ac Stark effect despite the very fast excitation-induced dephasing. However the homogeneous broadening induced by the strong excitation prevented the observation in quantum wells of the spectral counterpart of Rabi oscillations in time, the ac Stark splitting, and its only evidence was obtained in high-Q semiconductor microcavities [2].
© 2000 IEEE
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