Electromagnetically induced two-photon transparency in rubidium atoms

D. Wang, J. Y. Gao, J. H. Xu, G. C. La Rocca, F. Bassani

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16 Citations (Scopus)


We present an experimental demonstration of electromagnetically induced two-photon transparency (EITT) in room temperature rubidium vapor. The 8S1/2 to 5P1/2 fluorescence is used to monitor the 5S1/2(F = 3) to 8S1/2(F = 3) two-photon absorption near resonance with the intermediate state 5P3/2. A controlling pump laser beam is employed to coherently couple the 5P3/2 and 5D5/2 states, thus producing two dressed intermediate states which give rise to destructive interference in the two-photon transition. An induced two-photon transparency of about 80% has been obtained at resonance; our experimental findings are in good agreement with the general theory of Agarwal et al. (Phys. Rev. Lett., 77 (1996) 1039), when the appropriate spectroscopic parameters are used.

Original languageEnglish
Pages (from-to)456-460
Number of pages5
JournalEurophysics Letters
Issue number4
Publication statusPublished - May 11 2001

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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