Ultraslow bright and dark optical solitons in a cold three-state medium |
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| Authors: | Wu Ying Deng Lu |
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| Institution: | State Key Laboratory for Laser Technique and Department of Physics, Huazhong University of Science and Technology, Wuhan 430074, China. yingwu2@eyou.com |
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| Abstract: | We show the formation of ultraslow bright and dark optical solitons in a lifetime-broadened three-state atomic system under Raman excitation. We also discuss why such ultraslow optical solitons may not exist under the conditions of the usual electromagnetically induced transparency configuration where zero one- and two-photon detunings are required. |
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