Abstract:We have derived the autocorrelation function for the field emitted by a Rydberg atom in a micocavity weakly excited in the strong coupling regime and in the non-resonant case. We propose simple analytical expressions and make use of them to determine the atomic frequency and the mean radiative lifetime of the Rydberg atom. As compared to direct measurements this method is promising.

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We study the statistics of the emitted filed from Rydberg atom confined inside a microcavity and interacting with a pump laser in the strong coupling regime. We explore the manifestation of the antibunching in connection with the internal system parameters.

We investigate the physics of an optical semiconductor microcavity containing a coupled double quantum well interacting with cavity photons. The photon statistics of the transmitted light by the cavity is explored. We show that the nonlinear interactions in the direct and indirect excitonic modes generate an important squeezing despite the weak nonlinearities. When the strong coupling regime is achieved, the noise spectra of the system is dominated by the indirect exciton distribution. At the opposite, in the weak regime, direct excitons contribute much larger in the noise spectra.

We consider a highly excited atom in a good cavity strongly pumped by coherent light. We derive the autocorrelation function of the field emergent from the cavity. We show that the autocorrelation function can be expressed in terms of the atomic dissipation rate. In order to distinguish between the resonant and the non-resonant case, we introduce a parameter interpreted as the measure of the relative detuning between the pump laser and the excited atom frequency. By selecting the parameter time, we determine the lifetime of the excited atom. This method constitutes an interesting alternative for internal atomic parameter determination.