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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 15 — Jul. 23, 2007
  • pp: 9737–9747

Diffraction control in periodically curved two-dimensional waveguide arrays

Ivan L. Garanovich, Alexander Szameit, Andrey A. Sukhorukov, Thomas Pertsch, Wieslaw Krolikowski, Stefan Nolte, Dragomir Neshev, Andreas Tuennermann, and Yuri S. Kivshar  »View Author Affiliations


Optics Express, Vol. 15, Issue 15, pp. 9737-9747 (2007)
http://dx.doi.org/10.1364/OE.15.009737


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Abstract

We study propagation of light beams in two-dimensional photonic lattices created by periodically curved waveguide arrays. We demonstrate that by designing the waveguide bending, one can control not only the strength and sign of the beam diffraction, but also to engineer the effective geometry and even dimensionality of the two-dimensional photonic lattice. We reveal that diffraction of different spectral components of polychromatic light can display completely different patterns in the same periodically modulated structure, e.g. one-dimensional, hexagonal, or rectangular. Our results suggest novel opportunities for efficient self-collimation, focusing, and reshaping of light beams in two-dimensional photonic structures.

© 2007 Optical Society of America

OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(130.3120) Integrated optics : Integrated optics devices

ToC Category:
Diffraction and Gratings

History
Original Manuscript: June 12, 2007
Revised Manuscript: July 19, 2007
Manuscript Accepted: July 19, 2007
Published: July 20, 2007

Citation
Ivan L. Garanovich, Alexander Szameit, Andrey A. Sukhorukov, Thomas Pertsch, Wieslaw Krolikowski, Stefan Nolte, Dragomir Neshev, Andreas Tuennermann, and Yuri S. Kivshar, "Diffraction control in periodically curved two-dimensional waveguide arrays," Opt. Express 15, 9737-9747 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-15-9737


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