Coherent Population Trapping in Open and Closed Systems
L. Windholz
Institut für Experimentalphysik, Technische Universität Graz, Petersgasse 16, 8010 Graz, Austria
Received: July 7, 1999
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In the present paper, an overview on work concerning coherent population trapping within the hyperfine manifold of the sodium D1-line is given. Besides manifestation of coherent population trapping for different Λ-schemes, also phase dependent processes in closed contour systems (four-level double Λ-schemes) are discussed, including the case of phase dependent electromagnetically induced transparency.
DOI: 10.12693/APhysPolA.97.259
PACS numbers: 32.80.-t, 42.50.-p