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Spatial weak-light ring dark solitons in an electromagnetically induced transparency medium

She Yan-Chao Wang Deng-Long Ding Jian-Wen

Spatial weak-light ring dark solitons in an electromagnetically induced transparency medium

She Yan-Chao, Wang Deng-Long, Ding Jian-Wen
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  • Abstract views:  3731
  • PDF Downloads:  1049
  • Cited By: 0
Publishing process
  • Received Date:  18 September 2008
  • Accepted Date:  15 October 2008
  • Published Online:  20 May 2009

Spatial weak-light ring dark solitons in an electromagnetically induced transparency medium

  • 1. 湘潭大学物理系和低维材料及其应用技术教育部重点实验室,湘潭 411105

Abstract: By using multiple-scale method,we analytically study the nonlinear dynamical properties of an electromagnetically induced transparency medium with three-level atoms and a strong coupling light field. It is shown that a weak probe light beam can form spatial weak-light dark solitons. When it propagates along axial direction,the dark soliton will transforms into a steady spatial weak-light ring dark soliton,which results from the balance of the interplay between beam diffraction and refractive nonlinearity.

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