Third harmonic generation and destructive interference with femtosecond laser pulses

M. G. Payne, Lu Deng, W. R. Garrett

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

With an unfocused femtosecond laser tuned to overlap three-photon resonance with a fine structure doublet, a third harmonic field is predicted which has a bandwidth much narrower than that of the laser. Consequently, this third harmonic field decays slowly with time, lasting as long as several nanoseconds. The population left in the excited states is suppressed by a destructive interference between different excitation pathways.

Original languageEnglish
Pages (from-to)257-261
Number of pages5
JournalOptics Communications
Volume146
Issue number1-6
DOIs
StatePublished - Jan 15 1998

Scopus Subject Areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

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