Laser experiments with single atoms as a test of basic physics
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Two experiments with single atoms are reviewed. In the first experiment, the interaction of a single Rydberg atom with a single mode of the electromagnetic field was investigated. The quantum collapse and revivals of the atomic inversion predicted by the Jaynes-Cummings model could be demonstrated for the first time. In the second experiment, a single atomic ion stored in a radio frequency trap was probed by resonance fluorescence. In the fluorescent light, antibunching and sub-Poissonian photon statistics could be detected. Furthermore, crystallization and evaporation of few ions in a trap were observed since the stored ions can be cooled by the laser light and heated by the radiofrequency field of the trap. 1988 IEEE.
