Further,we study the influence of the controllable self-steepening effect and the second-order nonlinear dispersion on the formation and propagation of dark solitons in metamaterials.

• 利用一种扩展的双曲函数级数方法求解超常介质中的传输方程,得到了各种不同情形下的暗孤子解,分析了可控自陡效应和二阶非线性色散效应对孤子形成和传输特性的影响。