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Published in 2020 at "Optics letters"
DOI: 10.1364/ol.402876
Abstract: We present a simple method to enable flexible tuning of non-diffracting beams in a two-dimensional nonlinear photonic crystal, based on the interference of two or more non-collinear second-harmonic beams. By manipulating the wavelengths of the…
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Keywords:
diffracting array;
array beams;
nonlinear non;
flexible tuning ... See more keywords