We have subsequently developed planar photonic crystals (PPCs) specifically for nonlinear optical conversion studies. In particular we designed and realized a square-lattice PPC that has bands that exhibit almost no dispersion along the entire /spl Gamma/-X direction of the square Brillouin zone. These flat bands offer tuning flexibility and conversion efficiency advantages when considering PPCs as hosts for 2 nd harmonic generation. We have recently extended our self-consistent scattering model to include 2 nd order polarization terms. This allows us to estimate the absolute external second harmonic generation efficiency in specular reflection when exciting the PPC from the top half space.


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    Title :

    Linear and nonlinear optical properties of planar photonic crystals


    Contributors:
    Young, J.F. (author) / Cowan, A.R. (author) / Mandeville, W.J. (author) / Pacradouni, V. (author) / Johnson, S. (author)


    Publication date :

    2001-01-01


    Size :

    182146 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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