Photon echoes and related four-wave-mixing spectroscopies using phase-locked pulses

Minhaeng Cho, Norbert F. Scherer, Graham R. Fleming, Shaul Mukamel

Research output: Contribution to journalArticlepeer-review

131 Citations (Scopus)


The use of phase-locked pulses in various spectroscopic techniques related to the third-order polarization P(3) is analyzed. Using correlation function expressions for the nonlinear response function, we clarify the interrelationship among several photon echo, pump-probe, and spontaneous light emission techniques, without alluding to any specific model for the material system. By combining phase-locked pulses and heterodyne detection it becomes possible to probe separately the real and imaginary parts of the nonlinear response function. Combining two phase-locked pulse excitation with time-resolved detection of the spontaneous light emission allows direct separation of the Raman and fluorescence contributions.

Original languageEnglish
Pages (from-to)5618-5629
Number of pages12
JournalThe Journal of chemical physics
Issue number8
Publication statusPublished - 1992
Externally publishedYes

ASJC Scopus subject areas

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


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