Browsing by Author "De Sterke, C"

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Browsing by Author "De Sterke, C"

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  • Sturmberg, B.C.P.; Dossou, Kokou; Botten, Lindsay; Asatryan, Ara; Poulton, Christopher; Mcphedran, Ross; De Sterke, C (Optical Soc Amer, 2013)
    Aperiodic Nanowire (NW) arrays have higher absorption than equivalent periodic arrays, making them of interest for photovoltaic applications. An inevitable property of aperiodic arrays is the clustering of some NWs into ...
  • Steel, Michael; Zoli, Rossella; Grillet, Christian; Mcphedran, Ross; De Sterke, C; Norton, Andrew; Bassi, Paolo; Eggleton, Benjamin (American Physical Soc, 2005)
    We study the analytic properties of the photonic crystal superprism resolution parameters p, q, and r introduced previously by Baba and Matsumoto [Appl. Phys. Lett. 81, 2325 (2002)], which characterize the potential ...
  • 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 ...
  • Handmer, Casey; De Sterke, C; Mcphedran, Ross; Botten, Lindsay; Steel, Michael; Rahmani, Adel (Optical Society of America, 2010)
    We develop a way to enhance the amplitudes of the nonpropagating evanescent orders of resonant dielectric gratings. We use this blazing to design gratings with spectra tailored to generate steerable sub-Rayleigh field ...
  • Ha, Sangwoo; Sukhorukov, Andrey; Dossou, Kokou; Botten, Lindsay; De Sterke, C; Kivshar, Y (Optical Soc Amer, 2009)
    We demonstrate that the spatial profiles of both propagating and evanescent Bloch modes in a periodic structure can be extracted from a single measurement of an electric field at the specified optical wavelength. We develop ...
  • Botten, Lindsay; White, Tom; Asatryan, Ara; De Sterke, C; Mcphedran, Ross; Langtry, Tim (American Physical Soc, 2004)
    We present a rigorous Bloch mode scattering matrix method for modeling two-dimensional photonic crystal structures and discuss the formal properties of the formulation. Reciprocity and energy conservation considerations ...
  • White, Tom; Botten, Lindsay; De Sterke, C; Mcphedran, Ross; Asatryan, Ara; Langtry, Tim (American Physical Society, 2004)
    The Bloch mode scattering matrix method is applied to several photonic crystal waveguide structures and devices, including waveguide dislocations, a Fabry-Perot resonator, a folded directional coupler, and a Y-junction ...
  • White, Thomas; Mcphedran, Ross; Botten, Lindsay; Smith, Geoff; De Sterke, C (Optical Society of America, 2001)
  • Asatryan, Ara; Botten, Lindsay; Mcphedran, Ross; De Sterke, C; Nicorovici, Nicolae; Langtry, Tim (Optical Society of America, 2004)
    Conductance properties of photons in disordered two-dimensional photonic crystals is calculated using exact multipole expansions technique. The Landauer?s two-terminal formula is used to calculate average of the conductance, ...
  • Asatryan, Ara; Botten, Lindsay; Byrne, Michael; Nicorovici, Nicolae; Mcphedran, Ross; De Sterke, C; Robinson, Peter; Langtry, Tim (American Physical Soc, 2005)
    The conductance of photons in two-dimensional disordered photonic crystals is calculated using an exact multipole-plane wave method that includes all multiple scattering processes. Conductance fluctuations, the universal ...
  • White, Tom; Mcphedran, Ross; De Sterke, C; Botten, Lindsay; Steel, Michael (Optical Society of America, 2001)
  • 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.
  • 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 ...
  • De Sterke, C; Botten, Lindsay; Mcphedran, Ross; Wilcox, Stuart; Kuhlmey, Boris; Fussell, David (SPIE, 2005)
    Many of the applications of photonic crystals and photonic crystal fibres require the periodic structure tohave some type of defect. In photonic crystal fibers a point defect defines the fiber core, whereas in photonic ...
  • Mcphedran, Ross; Botten, Lindsay; Mcorist, Jock; Asatryan, Ara; De Sterke, C; Nicorovici, Nicolae (American Physical Soc, 2004)
    We discuss density of states functions for photonic crystals, in the context of the two-dimensional problem for arrays of cylinders of arbitrary cross section. We introduce the mutual density of states (MDOS), and show ...
  • Campbell, Samuel; Mcphedran, Ross; De Sterke, C; Botten, Lindsay (Optical Society of America, 2004)
    We describe the differential multipole method, an extended multipole method used to calculate the modes of microstructured optical fibers with noncircular inclusions. We use a multipole expansion centered on each inclusion ...
  • Asatryan, Ara; Robinson, Peter; Mcphedran, Ross; Botten, Lindsay; De Sterke, C; Nicorovici, Nicolae; Langtry, Tim (American Physical Soc, 2003)
  • Botten, Lindsay; De Sterke, C; Asatryan, Ara; Mcphedran, Ross; Langtry, Tim (Australian Institute of Physics, 2002)
  • Asatryan, Ara; Botten, Lindsay; De Sterke, C; Mcphedran, Ross; Robinson, Peter; Langtry, Tim (American Physical Soc, 2003)
  • Dossou, Kokou; Botten, Lindsay; De Sterke, C; Mcphedran, Ross; Asatryan, Ara; Chen, Swee; Brnovic, Jovana (Elsevier Science Bv, 2006)
    We use two-dimensional simulations to study the design of tapers to provide efficient, low reflection coupling between a waveguide in a two-dimensional photonic crystal (PC) and free space. We find that, largely independent ...