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Phys Rev Lett. 2012 Sep 7;109(10):103901. Epub 2012 Sep 7.

Generalized exact dynamic localization in curved coupled optical waveguide arrays.

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  • 1Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada. arash.joushaghani@utoronto.ca

Abstract

We observed exact dynamic localization in its general case in strongly coupled curved waveguide arrays with periodic, nonsquare-wave curvatures. We achieved a six times change in the dynamic localization bandwidth by changing a design parameter in our deviated-square-wave curvature. By analyzing the relation between the bandwidth and curvature profile, we offer a general method to control the localization bandwidth.

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