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NHyperuniformity in amorphous speckle patterns
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DOI：10.1364/OE.26.015594.png)
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Abstract
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Hyperuniform structures possess the ability to confine and drive light, although their fabrication is extremely challenging. Here we demonstrate that speckle patterns obtained by a superposition of randomly arranged sources of Bessel beams can be used to generate hyperunifrom scalar fields. By exploiting laser light tailored with a spatial filter, we experimentally produce (without requiring any computational power) a speckle pattern possessing maxima at locations corresponding to a hyperuniform distribution. By properly filtering out intensity fluctuation from the same speckle pattern, it is possible to retrieve an intensity profile satisfying the hyperuniformity requirements. Our findings are supported by extensive numerical simulations. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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TRANSVERSE ANDERSON LOCALIZATION
BAND-GAPS
SUPERLATTICES
TRANSMISSION
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