The True Value of Disorder,Advanced Optical Materials

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The True Value of Disorder
Advanced Optical Materials ( IF 8.0 ) Pub Date : 2018-06-10 , DOI: 10.1002/adom.201800439
Cefe López ₁

Affiliation

Border regions between areas where physical problems involve very few bodies with well‐described interactions or immensely many (amenable to statistical description) are prone to fall in the category usually associated with complexity. Disorder is an important factor to consider when examining complexity. Disordered optical materials per se would not qualify as complex but when disorder is partial or merely incipient or nonlinear interactions are included, an entirely new character is added. Here, attention is paid to three examples of these kinds of optical systems. The propagation of light through diffusive media and image formation behind an opaque screen is proposed as a problem where an exact computable solution can be expected but is impractical. Analysis shows that the problem is akin to condensed matter physics concepts related to narrow leads conductance. Another condensed matter related phenomenon brought to photonics is that of localization: disorder can induce a cessation of transport when interference of scattered fields is destructive in all directions forcing light to be exponentially confined. Finally, random lasers are a problem where a disordered, open, photonic system is governed by immensely many modes interacting nonlinearly.

中文翻译：

疾病的真正价值

身体问题涉及很少的具有良好描述的相互作用的身体或非常多（易于统计描述）的身体之间的区域之间的边界区域往往属于通常与复杂性相关的类别。混乱是检查复杂性时要考虑的重要因素。无序的光学材料本身不能算是复杂的，但是当部分或仅包括无序相互作用或非线性相互作用时，就增加了一个全新的特征。在这里，要注意这些光学系统的三个例子。提出了光通过漫射介质的传播和不透明屏幕后面的图像形成是一个问题，在该问题中可以期望精确的可计算解决方案，但不切实际。分析表明，该问题类似于与窄导线电导有关的凝聚态物理概念。与光子学有关的另一种与凝聚态物质有关的现象是局部化：当散射场的各个方向的破坏都是破坏性的，从而迫使光被指数限制时，无序现象可能导致传输的停止。最后，随机激光器是一个问题，无序的，开放的光子系统受许多非线性相互作用的模式支配。

更新日期：2018-06-10

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