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Nonlinear light localization around the core of a 'holey' fiber

Bennet, Francis H.; Molina, Mario I.


We examine localized surface modes in the core of a photonic crystal fiber composed of a finite nonlinear (Kerr) hexagonal waveguide array with a central defect. Using a discrete approach, we find the fundamental surface mode and its stability window. We also examine an unstaggered, ring-shaped surface mode and find that it is always unstable, decaying to the single-site fundamental surface mode. A continuous model computation reveals that an initial vortex excitation (S=1) of small...[Show more]

CollectionsANU Research Publications
Date published: 2012-07-27
Type: Journal article
Source: Journal of the Optical Society of America B
DOI: 10.1364/JOSAB.29.002161


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