Small-signal spectrum focusing using a strong nonuniform pumping beam

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Significant offset and narrowing of the small-signal-gain line, i.e., spectrum focusing, in a three-level molecular system at the regime of the saturation and Stark (Autler-Townes) splitting of the pumping transition in the field of a strong collimated pump beam have been obtained and explained.

Original languageEnglish
Pages (from-to)R42-R44
JournalPhysical Review A
Issue number1
Publication statusPublished - Jan 1 1993


ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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