Optical atomic coherence at the 1-second time scale.

@article{Boyd2006OpticalAC,
  title={Optical atomic coherence at the 1-second time scale.},
  author={Martin M. Boyd and Tanya Zelevinsky and Andrew D. Ludlow and Seth M. Foreman and Sebastian Blatt and Tetsuya Ido and Jun Ye},
  journal={Science},
  year={2006},
  volume={314 5804},
  pages={
          1430-3
        }
}
Highest-resolution laser spectroscopy has generally been limited to single trapped ion systems because of the rapid decoherence that plagues neutral atom ensembles. Precision spectroscopy of ultracold neutral atoms confined in a trapping potential now shows superior optical coherence without any deleterious effects from motional degrees of freedom, revealing optical resonance linewidths at the hertz level with a good signal-to-noise ratio. The resonance quality factor of 2.4 x 10(14) is the… CONTINUE READING

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Advances in Atomic Molecular and Optical Physics

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