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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 25, Iss. 9 — Sep. 1, 2008
  • pp: 1515–1522

Peculiar properties of photonic crystal binary waveguide arrays

Massimiliano Guasoni, Andrea Locatelli, and Costantino De Angelis  »View Author Affiliations


JOSA B, Vol. 25, Issue 9, pp. 1515-1522 (2008)
http://dx.doi.org/10.1364/JOSAB.25.001515


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Abstract

We discuss the peculiar properties of binary waveguide arrays composed of identical photonic crystal waveguides with nonuniform spacing. Coupled-mode theory is used in order to demonstrate that, as a result of the excitation of the individual waveguides’s modes, two different array modes characterized by opposite transverse velocity can propagate. Approximated expressions for the evaluation of the diffraction curves and the percentage of energy carried by each array mode are calculated and tested through numerical examples.

© 2008 Optical Society of America

OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(130.2790) Integrated optics : Guided waves
(230.1360) Optical devices : Beam splitters
(130.5296) Integrated optics : Photonic crystal waveguides

ToC Category:
Photonic Crystals

History
Original Manuscript: May 8, 2008
Manuscript Accepted: June 26, 2008
Published: August 20, 2008

Citation
Massimiliano Guasoni, Andrea Locatelli, and Costantino De Angelis, "Peculiar properties of photonic crystal binary waveguide arrays," J. Opt. Soc. Am. B 25, 1515-1522 (2008)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-25-9-1515


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