Optical force on the Raman dark state in two standing waves

P. R. Hemmer*, M. G. Prentiss, M. S. Shahriar, N. P. Bigelow

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

We use the normal modes of atom-field coupling to explain the force of a three-level (Λ) atom excited by two standing wave optical fields. An expression for the force in the weak field, small detuning limit is derived by inspection, and shown to agree with the exact solution to the optical Bloch equations. We describe the physical origin of the completely rectified force components as well as components which vary on scales much narrower than the optical wavelength. We emphasize the importance of the force component associated with the "dark state" and discuss the influence of the phase difference between the fields.

Original languageEnglish (US)
Pages (from-to)335-342
Number of pages8
JournalOptics Communications
Volume89
Issue number2-4
DOIs
StatePublished - May 1 1992

ASJC 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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