Journal
PHYSICS LETTERS A
Volume 372, Issue 22, Pages 4127-4134Publisher
ELSEVIER
DOI: 10.1016/j.physleta.2008.02.051
Keywords
four-level atomic systems; electromagnetically induced transparency; spatial optical solitons
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We propose a scheme to generate two-component spatial optical solitons in a lifetime broadened four state atomic system with a ladder configuration via electromagnetically induced transparency. We show that, different from the schemes using passive optical media such as photorefractives and planar waveguides, the two-component spatial optical solitons in the present coherent resonant system can be produced with very low light intensity. The stability of the two-component spatial optical solitons and their interaction are also investigated by numerical simulations. (C) 2008 Elsevier B.V. All rights reserved.
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