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Two-component spatial optical solitons in a four-state ladder system via electromagnetically induced transparency |
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| Authors: | Hui-jun Li Guoxiang Huang |
| Institution: | aDepartment of Physics and Institute of Theoretical Physics, East China Normal University, Shanghai 200062, China bState Key Laboratory Precision Spectroscopy and Department of Physics, East China Normal University, Shanghai 200062, China |
| Abstract: | 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. |
| Keywords: | Four-level atomic systems Electromagnetically induced transparency Spatial optical solitons |
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