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Atomic clock based on transient coherent population trapping

Applied Physics Letters, ISSN: 0003-6951, Vol: 94, Issue: 15
2009
  • 31
    Citations
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  • 14
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Metrics Details

  • Citations
    31
    • Citation Indexes
      31
  • Captures
    14

Article Description

We proposed a scheme to implement coherent population trapping (CPT) atomic clock based on the transient CPT phenomenon. We proved that the transient transmitted laser power in a typical system near CPT resonance features as a damping oscillation. Also, the oscillating frequency is exactly equal to the frequency detuning from the atomic hyperfine splitting. Therefore, we can directly measure the frequency detuning and then compensated to the output frequency of microwave oscillator to get the standard frequency. By this method, we can further simplify the structure of CPT atomic clock, and make it easier to be digitized and miniaturized. © 2009 American Institute of Physics.

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