扩散对非相干耦合屏蔽光伏亮孤子之间相互作用的影响

Influence of diffusion on the interaction between of the incoherently coupled screening-photovoltaic bright spatial soliton

为了得到扩散效应对非相干耦合屏蔽光伏亮-亮孤子对相互作用的影响的结果,将两束互不相干的光束做为入射波,采用数值方法求解有扩散的波传播方程。结果表明,当两孤子中心间距适当的条件下,非相干屏蔽光伏亮孤子对之间发生相互吸引和缠绕现象;如果两孤子间距过大或过小时,孤子之间没有相互作用。扩散效应使两孤子光束整体向同一方向偏转。

In order to obtain the interaction between of the incoherently coupled screening-photovoltaic spatial solitons, taking the two mutually incoherent optical beams with the same polarization and same wavelength as the input wave, the beam propagation equation is solved mumerically. The result shows that attraction and twine of the two solitons from each other occur when the solitons distance is suitable. If the distance is too lager or too small, the two solitons are no interaction. They are deflect simultaneously to the same side with diffusion field.