Effect of pressure dependent quantum interference on the ac stark shifting of a four-photon resonance

Lu Deng, J. Y. Zhang, M. G. Payne, W. R. Garrett

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

We report an experiment in xenon which confirms theoretical predictions [Payne et al., Phys. Rev. A 48, 2334 (1993)] on the pressure dependent suppression of the ac Stark shifting of even-photon resonances. In the copropagating configuration the ac Stark shift introduced by a second laser is totally suppressed at elevated concentrations due to a very complete destructive interference between two pumping pathways. The ac Stark shift persists in the counterpropagating configuration.

Original languageEnglish
Pages (from-to)2035-2038
Number of pages4
JournalPhysical Review Letters
Volume73
Issue number15
DOIs
StatePublished - 1994

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