Open AccessDetuned slow light in the Doppler broadened multi-level D2 line of Rubidium
Author(s) -
Yi Chen,
Xiao Gang Wei,
Byoung S. Ham
Publication year - 2009
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.17.001781
Subject(s) - electromagnetically induced transparency , rubidium , laser linewidth , physics , doppler effect , hyperfine structure , atomic physics , excited state , optics , doppler broadening , resonance (particle physics) , slow light , spectral line , laser , materials science , photonic crystal , quantum mechanics , potassium , metallurgy
We observed a detuned slow light phenomenon based on electromagnetically induced transparency in (87)Rb D2 line composed of multiple excited-hyperfine states within a Doppler-broadened linewidth. The results show that the maximum group delay of a probe occurs at off-detuned two-photon resonance frequency. The observed detuned group delay is analyzed with numerical calculations for a probe pulse interacting with the neighboring excited-states-modified Doppler broadening atoms for a fixed coupling field. The experimental results are in good agreement with the numerical calculations.