Motional sidebands and direct measurement of the cooling rate in the resonance fluorescence of a single trapped ion

Abstract

Resonance fluorescence of a single trapped ion is spectrally analyzed using a heterodyne technique. Motional sidebands due to the oscillation of the ion in the harmonic trap potential are observed in the fluorescence spectrum. From the width of the sidebands the cooling rate is obtained and found to be in agreement with the theoretical prediction.

4 pages, 4 figures. Final version after minor changes, 1 figure replaced; to be published in PRL, July 10, 2000

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