Ultrafast spectroscopy of a dense potassium vapor

V. O. Lorenz, S. T. Cundiff

Research output: Contribution to journalArticlepeer-review

Abstract

Time-integrated and time-resolved four-wave mixing spectroscopy with two and three pulses is used to study ultrafast dynamics in a dense potassium vapor. Fits based on the stochastic theory compare well with two-pulse time-integrated four-wave mixing results. The three-pulse time-integrated photon echo peak shift reveals bi-exponential behavior at high temperatures and densities not modeled by the stochastic theory. Time-resolved three-pulse four-wave mixing experiments exhibit photon-echo-like behavior.

Original languageEnglish (US)
Pages (from-to)106-112
Number of pages7
JournalChemical Physics
Volume341
Issue number1-3
DOIs
StatePublished - Nov 15 2007
Externally publishedYes

Keywords

  • Dense atomic vapor
  • Dipole-dipole
  • Non-Markovian
  • Non-impact
  • Photon echo
  • Resonance broadening
  • Self-broadening
  • Transient four-wave mixing
  • Ultrafast spectroscopy

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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