Degenerate four-wave mixing line shapes in sodium vapor under pulsed excitation

Prem Kumar*

*Corresponding author for this work

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

Degenerate four-wave mixing (DFWM) line shapes are investigated in sodium vapor near the D2 resonance line using nearly Fourier-transform-limited pulses. At low pump intensities sub-Doppler resolution is obtained. When the Rabi frequency associated with the pump intensity becomes comparable with the ground-state hyperfine frequency separation of sodium, each component of the double-peaked DFWM spectrum splits further into two components. An adiabatic-following model explains the near-resonant intensity dependence of the DFWM signal. A qualitative explanation of the observed splitting is also given.

Original languageEnglish (US)
Pages (from-to)74-76
Number of pages3
JournalOptics Letters
Volume10
Issue number2
DOIs
StatePublished - Jan 1 1985

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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