J Fuchs et al 2007 J. Phys. B: At. Mol. Opt. Phys. 40 1117 doi:10.1088/0953-4075/40/6/003
J Fuchs1, G J Duffy1, W J Rowlands1, A Lezama2, P Hannaford1 and A M Akulshin1
Show affiliationsWe present an experimental study of sub-natural width resonances in fluorescence from a collimated beam of 6Li atoms excited on the D1 and D2 lines by a bichromatic laser field. We show that in addition to ground-state Zeeman coherence, coherent population oscillations between ground and excited states contribute to the sub-natural resonances. High-contrast resonances of electromagnetically induced transparency and electromagnetically induced absorption due to both effects, i.e., ground-state Zeeman coherence and coherent population oscillations, are observed.
32.50.+d Fluorescence, phosphorescence (including quenching)
32.80.Qk Coherent control of atomic interactions with photons
Issue 6 (28 March 2007)
Received 21 December 2006, in final form 25 January 2007
Published 5 March 2007
J Fuchs et al 2007 J. Phys. B: At. Mol. Opt. Phys. 40 1117
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