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首页> 外文期刊>Journal of the Optical Society of America, B. Optical Physics >Pulse propagation in one-dimensional disordered photonic crystals: interplay of disorder with instantaneous and relaxing nonlinearities
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Pulse propagation in one-dimensional disordered photonic crystals: interplay of disorder with instantaneous and relaxing nonlinearities

机译：一维无序光子晶体中的脉冲传播：无序与瞬时和松弛非线性的相互作用

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摘要

Propagation of ultrashort light pulses in disordered multilayers is studied by using numerical simulations in the time domain. We consider cases of instantaneous and noninstantaneous Kerr nonlinearities of the structure materials. The competitive nature of disorder and nonlinearity is revealed on the long and short time scales. We also pay special attention to the effect of pulse self-trapping in the photonic crystal with relaxing nonlinearity and show the dependence of this effect on the level of disorder. We believe that the results reported here will be useful not only in the field of optics but also from the standpoint of the general problem of classical wave propagation in nonlinear disordered periodic media.
机译：通过在时域中使用数值模拟研究了超短光脉冲在无序多层中的传播。我们考虑结构材料的瞬时和非瞬时Kerr非线性情况。长期和短期的时间尺度揭示了无序和非线性的竞争性质。我们还特别注意具有松弛非线性的光子晶体中脉冲自陷的效应，并表明该效应对无序度的依赖性。我们相信，这里报道的结果不仅在光学领域有用，而且从非线性无序周期介质中经典波传播的一般问题的角度来看也将是有用的。

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