Thompson, R. J. and Turchette, Q. A. and Carnal, O. and Kimble, H. J. (1998) Nonlinear spectroscopy in the strong-coupling regime of cavity QED. Physical Review A, 57 (4). pp. 3084-3104. ISSN 1050-2947. http://resolver.caltech.edu/CaltechAUTHORS:THOpra98
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A nonlinear spectroscopic investigation of a strongly coupled atom-cavity system is presented. A two-field pump-probe experiment is employed to study nonlinear structure as the average number of intracavity atoms is varied from N̅≈4.2 to N̅≈0.8. Nonlinear effects are observed for as few as 0.1 intracavity pump photons. A detailed semiclassical simulation of the atomic beam experiment gives reasonable agreement with the data for N̅≳2 atoms. The simulation procedure accounts for fluctuations in atom-field coupling which have important effects on both the linear and nonlinear probe transmission spectra. A discrepancy between the simulations and the experiments is observed for small numbers of atoms (N̅≲1). Unfortunately, it is difficult to determine if this discrepancy is a definitive consequence of the quantum nature of the atom-cavity coupling or a result of the severe technical complications of the experiment.
|Additional Information:||©1998 The American Physical Society Received 10 June 1997; revised 9 December 1997 This research is supported by the National Science Foundation and by the U.S. Office of Naval Research.|
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|Deposited On:||26 May 2006|
|Last Modified:||26 Dec 2012 08:53|
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