In classical and quantum systems, order is of fundamental importance to many branches of science. Still, disorder is prevalent in our natural world. It manifests in various ways, and overcoming its limitations would open up exciting applications. In this work, we numerically show that disorder-induced Anderson localization can be mitigated and transmission systematically restored in random media through a self-organization process relying on energy dissipation. Under the scattering pressure produced by a driving optical field, a colloidal suspension composed of strongly polydisperse (i.e., random size) particles spontaneously assembles a Bloch-like mode with a broad transmission band. This mode displays a deterministic transmission scaling law that overcomes the statistical exponential decay expected in random media. This work demonstrates that, through the continuous dissipation of energy, amorphous materials can collectively synchronize with a coherent drive field and assemble a crystalline order. Self-organization, thus, offers a robust approach for addressing the physical limitations of disorder and immediately opens the door to applications in slow-light engineering and the development of “bottom-up” photonic materials.

中文翻译：

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强无序材料中的外部驱动宽带传输

在经典和量子系统中，秩序对科学的许多分支都至关重要。尽管如此，无序在我们的自然世界中仍然普遍存在。它以各种方式表现出来，克服其局限性将开辟令人兴奋的应用程序。在这项工作中，我们从数值上表明，通过依赖能量耗散的自组织过程，可以减轻无序引起的安德森定位，并在随机介质中系统地恢复传输。在驱动光场产生的散射压力下，由强多分散（即随机尺寸）颗粒组成的胶体悬浮液自发地组装出具有宽传输带的类布洛赫模式。此模式显示确定性传输缩放定律，该定律克服了随机媒体中预期的统计指数衰减。这项工作表明，通过能量的持续耗散，非晶材料可以与相干驱动场共同同步并组装晶体有序。因此，自组织为解决无序的物理限制提供了一种强大的方法，并立即为慢光工程和“自下而上”光子材料的开发应用打开了大门。