Discretizing light behaviour in linear and nonlinear waveguide lattices

Demetrios N. Christodoulides, Falk Lederer and Yaron Silberberg
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Demetrios N. Christodoulides: School of Optics/CREOL, University of Central Florida
Falk Lederer: Friedrich-Schiller-Universität Jena
Yaron Silberberg: The Weizmann Institute of Science

Nature, 2003, vol. 424, issue 6950, 817-823

Abstract: Abstract Light propagating in linear and nonlinear waveguide lattices exhibits behaviour characteristic of that encountered in discrete systems. The diffraction properties of these systems can be engineered, which opens up new possibilities for controlling the flow of light that would have been otherwise impossible in the bulk: these effects can be exploited to achieve diffraction-free propagation and minimize the power requirements for nonlinear processes. In two-dimensional networks of waveguides, self-localized states—or discrete solitons—can travel along 'wire-like' paths and can be routed to any destination port. Such possibilities may be useful for photonic switching architectures.

Date: 2003
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DOI: 10.1038/nature01936

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