Physics – Quantum Physics
Scientific paper
2004-11-19
Physics
Quantum Physics
4 pages, 4 figures
Scientific paper
We have measured the second-order correlation function of the cavity-QED microlaser output and observed a transition from photon bunching to antibunching with increasing average number of intracavity atoms. The observed correlation times and the transition from super- to sub-Poisson photon statistics can be well described by gain-loss feedback or enhanced/reduced restoring action against fluctuations in photon number in the context of a quantum microlaser theory and a photon rate equation picture. However, the theory predicts a degree of antibunching several times larger than that observed, which may indicate the inadequacy of its treatment of atomic velocity distributions.
An Kyungwon
Choi Wonshik
Dasari R. R.
Fang-Yen C.
Feld Michael S.
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