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Investigation of propagation of spatial soliton in nonlocal nonlinear medium of finite-size

Liang Yan-Bin Zheng Ya-Jian Yang Ping-Bao Cao Long-Gui Lu Da-Quan Hu Wei Guo Qi

Investigation of propagation of spatial soliton in nonlocal nonlinear medium of finite-size

Liang Yan-Bin, Zheng Ya-Jian, Yang Ping-Bao, Cao Long-Gui, Lu Da-Quan, Hu Wei, Guo Qi
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  • Received Date:  20 December 2007
  • Accepted Date:  22 January 2008
  • Published Online:  20 September 2008

Investigation of propagation of spatial soliton in nonlocal nonlinear medium of finite-size

  • 1. 华南师范大学光子信息技术广东省高校重点实验室,广州 510006

Abstract: In this paper, we investigate the effect of the boundary of the nonlocal nonlinear medium on the propagation of soliton. On the basic of NNLSE and the Poisson equation, using the Green function approach, we obtain the response function of the lead glass of finite-size, which is a strong nonlocal medium. Starting with the paraxial ray equation, we obtain the analytical solutions of the oscillation trajectory and period of the beam. Comparing the analytical solutions with numerical simulations, we found that our analytical solutions are precise when the point of incidence is not near the boundary of the medium.

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