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Optica Top Downloads: "Disorder-induced high-quality wavefront in an Anderson localizing optical fiber"

A paper titled "Disorder-induced high-quality wavefront in an Anderson localizing optical fiber" by Behnam Abaie, Mostafa Peysokhan, Jian Zhao, Jose E. Antonio-Lopez, Rodrigo Amezcua-Correa, Axel Schülzgen, and Arash Mafi is one of Optica's top downloads for August 2018.

High-quality coherent wavefronts are extremely useful in optical communications and lasers. Disorder is usually considered as a source of noise and deviation from ideal designs for generating high-quality beams in photonic devices. Here, we demonstrate that strong disorder can be exploited to obtain high-quality wavefronts thanks to the Anderson localization phenomenon. Our analysis on a transverse Anderson localizing optical fiber reveals that a considerable number of the guided modes have M2<2 values. These high-quality modes are distributed across the transverse profile of the disordered fiber and can be excited without requiring sophisticated spatial light modulations at the input facet. The results show the potential of such fibers for novel applications in fiber lasers and nonlinear devices, where a high beam quality is desirable.

Posted Monday, September 17, 2018

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