Experimental observation of pump-probe spectra of caesium D2 line with a vapour cell

Yan Hua Wang*, Hai Jing Yang, Tian Cai Zhang, Jun Min Wang

*Corresponding author for this work

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Abstract

Pump-probe spectra of caesium D2 line are experimentally investigated in a Cs atomic vapour cell with co-propagating orthogonal linearly-polarized pump and probe laser beams. Absorption-reduction dips duo to electromagnetically induced transparency (EIT) in multi-Λ-type Zeeman sublevels of 6 S1/2 F=3-6 P3/2 F′=2 hyperfine transition and absorption-enhanced peaks due to electromagnetically induced absorption (EIA) in 6 S1/2 F=4-6 P3/2 F′=5 hyperfine transition are demonstrated. With detuned pump beam abnormal sign-reversed signals inside the EIT dip and the EIA peak are clearly observed.

Original languageEnglish
Pages (from-to)1120-1124
Number of pages5
JournalChinese Physics
Volume14
Issue number6
DOIs
Publication statusPublished - 1 Jun 2005
Externally publishedYes

Keywords

  • Atomic coherence
  • Caesium atoms
  • Electromagnetically induced absorption (EIA)
  • Electromagnetically induced transparency (EIT)
  • Pump-probe spectroscopy

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Wang, Y. H., Yang, H. J., Zhang, T. C., & Wang, J. M. (2005). Experimental observation of pump-probe spectra of caesium D2 line with a vapour cell. Chinese Physics, 14(6), 1120-1124. https://doi.org/10.1088/1009-1963/14/6/011