光纤中小损耗对类明孤子传输特性的影响

The Influence of the Small Dielectric Loss on the Soliton-like Pulses in the Optical Fiber

本文采用变分法 ,在非线性Schr dinger方程 (NLSE)中引入小损耗微扰项 ,导出了类明孤子脉冲参数随传输距离的演化方程组 。

In this paper,we used the variational principle for the optical soliton_like pulses in the optical fiber and introduced the small dielectric loss to the NLS equation to investigate the evolution of the parameters of the optical soliton_like pulses,and we got the conclusion and the evolution equations for the parameters of the soliton_like pulses in the optical fiber.