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Optics Letters

Optics Letters


  • Vol. 21, Iss. 13 — Jul. 1, 1996
  • pp: 982–984

Coherent transient amplification in inhomogeneously broadened rubidium atoms by diode-laser frequency switching

Yong-qing Li, W. H. Burkett, and Min Xiao  »View Author Affiliations

Optics Letters, Vol. 21, Issue 13, pp. 982-984 (1996)

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We report observation of coherent transient amplification that is due to free-induction decay and optical nutation in inhomogeneously broadened rubidium atoms by a sudden switch of diode-laser frequency. An amplification coefficient of 2.2 × 10−2 cm−1 is observed when the diode-laser frequency, initially tuned to the blue side of the Doppler-broadened absorption profile, is switched to be out of resonance by application of a step-function pulsed injection current. The transition from free-induction decay to optical nutation is observed and discussed.

© 1996 Optical Society of America

Original Manuscript: January 2, 1996
Published: July 1, 1996

Yong-qing Li, W. H. Burkett, and Min Xiao, "Coherent transient amplification in inhomogeneously broadened rubidium atoms by diode-laser frequency switching," Opt. Lett. 21, 982-984 (1996)

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