Transverse Anderson localization in a disordered glass optical fiber

Karbasi, Salman; Hawkins, Thomas; Ballato, John; Köch, Karl; Mafi, Arash

doi:10.1364/ome.2.001496

Cited by 81 publications

(85 citation statements)

References 14 publications

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“…6 Later, theoretical and experimental results were reported using an optical fiber consisting of a random array of smaller fibers, each having either a higher or lower index of refraction. [7][8][9][10][11] Experimental results agreed well with theoretical simulations.…”

Section: Introductionsupporting

confidence: 76%

Simulation of Anderson localization in a random fiber using a fast Fresnel diffraction algorithm

Davis

Cottrell

2016

Opt. Eng

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Abstract. Anderson localization has been previously demonstrated both theoretically and experimentally for transmission of a Gaussian beam through long distances in an optical fiber consisting of a random array of smaller fibers, each having either a higher or lower refractive index. However, the computational times were extremely long. We show how to simulate these results using a fast Fresnel diffraction algorithm. In each iteration of this approach, the light passes through a phase mask, undergoes Fresnel diffraction over a small distance, and then passes through the same phase mask. We also show results where we use a binary amplitude mask at the input that selectively illuminates either the higher or the lower index fibers. Additionally, we examine imaging of various sized objects through these fibers. In all cases, our results are consistent with other computational methods and experimental results, but with a much reduced computational time. © The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Section: Introductionsupporting

confidence: 76%

Simulation of Anderson localization in a random fiber using a fast Fresnel diffraction algorithm

Davis

Cottrell

2016

Opt. Eng

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“…The first observation of the TAL in a silica fiber was reported by Karbasi et al [54] in 2012. The glass-air disordered fiber used for this work was drawn at Clemson University, where the preform was made from "satin quartz" (Heraeus Quartz), which is a porous artisan glass.…”

Section: Tal In Disordered Optical Fibersmentioning

confidence: 96%

Disordered Anderson Localization Optical Fibers for Image Transport—A Review

Mafi

Ballato

Köch

et al. 2019

J. Lightwave Technol.

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Disordered optical fibers show novel waveguiding properties, enabled by the transverse Anderson localization of light, and are used for image transport. The strong transverse scattering from the transversely disordered refractive index structure results in transversely confined modes that can freely propagate in the longitudinal direction. In some sense, an Anderson localization disordered fiber behave like a large-core multimode optical fiber, with the advantage, that most modes are highly localized in the transverse plane, so any point in the cross section of the fiber can be used for localized beam transport. This property has been used for high-quality transportation of intensity patterns and images in these optical fibers. This review covers the basics and the history of the transverse Anderson localization in disordered optical fibers and captures the recent progress in imaging applications using these optical fibers.A. Mafi is with the

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“…Reprinted/Reproduced with permission from Optical Material Express, 2012 [27], and the Optical Society of America.…”

Section: Disordered Glass Optical Fibersmentioning

confidence: 99%

Transverse Anderson Localization in Disordered Glass Optical Fibers: A Review

et al. 2014

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Disordered optical fibers show novel waveguiding properties that can be used for various device applications, such as beam-multiplexed optical communications and endoscopic image transport. The strong transverse scattering from the transversely disordered optical fibers results in transversely confined beams that can freely propagate in the longitudinal direction, similar to conventional optical fibers, with the advantage that any point in the cross section of the fiber can be used for beam transport. For beam multiplexing and imaging applications, it is highly desirable to make the localized beam radius as small as possible. This requires large refractive index differences between the materials that define the random features in the disordered fiber. Here, disordered glass-air fibers are briefly reviewed, where randomly placed airholes in a glass matrix provide the sufficiently large refractive index difference of 0.5 for strong random transverse scattering. The main future challenge for the fabrication of an optimally disordered glass-air fibers is to increase the fill-fraction of airholes to nearly 50% for maximum beam confinement.

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Transverse Anderson localization in a disordered glass optical fiber

Cited by 81 publications

References 14 publications

Simulation of Anderson localization in a random fiber using a fast Fresnel diffraction algorithm

Simulation of Anderson localization in a random fiber using a fast Fresnel diffraction algorithm

Disordered Anderson Localization Optical Fibers for Image Transport—A Review

Transverse Anderson Localization in Disordered Glass Optical Fibers: A Review

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