The Research on Propagation of Ultrashort Pulse in Normal Group-velocity Dispersion Fiber

Abstract

Weici Liu*, Wenxia Hu, Zhijun Xie and Yuwang Liu Department of Electronic Information Engineering, Guangzhou College of Technology and Business, Foshan 528138, China *Corresponding author Abstract—In this paper, we investigate the properties of ultrashort pulse propagation in normal group-velocity dispersion (GVD) fiber based on nonlinear Schrodinger equation. A numerical model is established and is programmed and calculated by the split-step Fourier transforms. Nonlinear pulse evolution transmitted in normal dispersion fiber with gain is stimulated through computer. Some useful conclusions are obtained.