J4 ›› 2018, Vol. 35 ›› Issue (5): 603-607.

• Nonlinear Optics • Previous Articles     Next Articles

Influence of nonlinear dispersion on Gauss pulse transmission

HUANG Junkun, ZHANG Shaowu, WAN Chong   

  1. College of Physics and Electronic Science, Hubei Normal University, Huangshi 435000, China
  • Received:2017-06-28 Revised:2017-08-31 Published:2018-09-28 Online:2018-09-29

Abstract:

The nonlinear Schrödinger equation (NLSE) including cubic-quintic nonlinearity and Kerr dispersion term is solved by variational method. Evolution equations of Gaussian pulse parameters with propagation distance with different parameters are derived. Results show that under certain conditions, the pulses propagate stably in the form of breather within a certain distance. Under the strong Kerr dispersion effect, the intensity change of solitons will increase, and the peaks will become sharp during propagation.

Key words: nonlinear Schrödinger equation; Gaussian pulse; variational method; Kerr dispersion

CLC Number: