Observation of sub-poisson photon statistics in the cavity-QED microlaser

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 statistic...

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Bibliographic Details
Published inPhysical review letters Vol. 96; no. 9; p. 093603
Main Authors Choi, Wonshik, Lee, Jai-Hyung, An, Kyungwon, Fang-Yen, C, Dasari, R R, Feld, M S
Format Journal Article
LanguageEnglish
Published United States 10.03.2006
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Summary: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.
ISSN:0031-9007
DOI:10.1103/physrevlett.96.093603