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Trapping of single atoms in cavity QED

Research paper by J. Ye, D. W. Vernooy, H. J. Kimble

Indexed on: 01 Aug '99Published on: 01 Aug '99Published in: Quantum Physics



Abstract

By integrating the techniques of laser cooling and trapping with those of cavity quantum electrodynamics (QED), single Cesium atoms have been trapped within the mode of a small, high finesse optical cavity in a regime of strong coupling. The observed lifetime for individual atoms trapped within the cavity mode is $\tau \approx 28$ms, and is limited by fluctuations of light forces arising from the far-detuned intracavity field. This initial realization of trapped atoms in cavity QED should enable diverse protocols in quantum information science.