随机光晶格中的孤子渗流
Soliton percolation in random optical lattices
摘要：
我们在具有随机特性的合适的光晶格中引入了光包非线性输运中的孤子逾渗现象。具体来说，我们解决晶格的折射率在横向平面的梯度，具有随机相位或振幅波动，我们发现存在的孤子绝缘体和孤子导体制度之间的无序诱导的过渡。孤立子电流被发现达到其最大值在中间的无序水平和急剧下降，几乎规则和强烈无序的晶格。
英文摘要：
We introduce soliton percolation phenomena in the nonlinear transport of light packets in suitable optical lattices with random properties. Specifically, we address lattices with a gradient of the refractive index in the transverse plane, featuring stochastic phase or amplitude fluctuations, and we discover the existence of a disorder-induced transition between soliton-insu-lator and soliton-conductor regimes. The soliton current is found to reach its maximal value at intermediate disorder levels and to drastically decrease in both, almost regular and strongly disordered lattices.
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