Browsing 02 Physical Sciences by Author "Lawrence Felix"

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Browsing 02 Physical Sciences by Author "Lawrence Felix"

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  • Antireflection coatings for two-dimensional photonic crystals using a rigorous impedance definition 
    Lawrence Felix; Botten Lindsay; Dossou Kokou; De Sterke C (American Institute of Physics, 2008)
    We show that no consistent scalar definition of impedance is generally possible for photonic crystals. Instead, we present a rigorous semianalytic matrix definition of impedance for square lattice photonic crystals, defined ...
  • Coupled photonic crystal waveguide in hexagonal lattices 
    Brownless John; Mahmoodian Sahand; Dossou Kokou; Lawrence Felix; Botten Lindsay; De Sterke C (Optical Society of America, 2010)
    We investigate dispersion curves of coupled waveguides in hexagonal lattices. We find that their coupling coefficients change magnitude and sign along the BZ and that the modes here are no longer odd and even modes.
  • Coupled waveguide modes in hexagonal photonic crystals 
    Brownless John; Mahmoodian Sahand; Dossou Kokou; Lawrence Felix; Botten Lindsay; De Sterke C (Optical Society of America, 2010)
    We investigate the modes of coupled waveguides in a hexagonal photonic crystal. We find that for a substantial parameter range the coupled waveguide modes have dispersion relations exhibiting multiple intersections, which ...
  • Impedance of square and triangular lattice photonic crystals 
    Lawrence Felix; Botten Lindsay; Dossou Kokou; De Sterke C; Mcphedran Ross (American Physical Society, 2009)
    We give a rigorous semianalytical definition of impedance for square and triangular (hexagonal) lattice two-dimensional photonic crystals (PCs). Our impedance is a small matrix, derived from transfer matrices, which stores ...