Perturbing an electromagnetically induced transparency in a Λ system using a low-frequency driving field. II. Four-level system

E. A. Wilson*, N. B. Manson, C. Wei

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    26 Citations (Scopus)

    Abstract

    The effect a perturbing field has on an electromagnetically induced transparency within a three-level Λ system is presented. The perturbing field is applied resonant between one of the lower levels of the Λ system and a fourth level. The electromagnetically induced transparency feature is split and this is measured experimentally for both single and bichromatic driving fields. In the single-driving-field case a density matrix treatment is shown to be in reasonable agreement with experiment and in both single and bichromatic cases the structure in the spectrum can be explained using a dressed-state analysis.

    Original languageEnglish
    Article number063814
    JournalPhysical Review A - Atomic, Molecular, and Optical Physics
    Volume72
    Issue number6
    DOIs
    Publication statusPublished - Dec 2005

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