Approxiamation theory for unequal amplitude soliton pairs in nonliear optical fibers

作者：Zhou, Qing-Chun^*; Zeng, Xiao-Xiang

来源：Optics and Laser Technology, 2010, 42(2): 416-418.

DOI：10.1016/j.optlastec.2009.08.009

• Optical fiber communication
• Soliton
• Perturbation theory

The equivalent-particle approach is used to investigate the interaction of two unequal-amplitude solitons propagating in nonlinear fibers by regarding the interaction as a perturbation. The Newtonian equations for the motion of solitons are given. Results show that the interaction of an unequal amplitude soliton pair can be approximated as the product of a local interaction factor dependent on the propagation distance and a nonlocal interaction factor independent of the propagation distance. The local factor forces soliton interaction to alternate between the attractive and there pulsive, and, on a large scale, the average of this character markedly reduces the interaction of the unequal-amplitude solitons.

• 出版日期2010-3
• 单位江苏科技大学