Browsing General by Author "Asatryan Ara"

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Browsing General by Author "Asatryan Ara"

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  • Conductance of photons and Anderson localization of light 
    Asatryan Ara; Botten Lindsay; Mcphedran Ross; De Sterke C; Langtry Timothy; Nicorovici Nicolae (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, ...
  • Efficient couplers for photonic crystal waveguides 
    Mcphedran Ross; Dossou Kokou; Botten Lindsay; Asatryan Ara; De Sterke C; Chen Shigang; Brnovic Jovana (Optical Society of America, 2005)
    We consider the design of efficient couplers between a photonic crystal waveguide and a uniform background material. We show that horn-shaped tapers can provide efficient bi-directional coupling between the waveguide and ...
  • Fano resonances of photonic crystal slabs 
    Byrne Michael; Botten Lindsay; Asatryan Ara; Nicorovici Nicolae; Norton Andrew; Mcphedran Ross; De Sterke C (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2006)
    A Bloch mode theory for diffraction of plane waves by planar PC slabs is developed. The theory provides physical insight into the origin of Fano resonances, allowing a simple pole model to be deduced rigorously.
  • Modes of composite defects in 2D photonic crystals 
    Poulton Christopher; Mcphedran Ross; Dossou Kokou; Mahmoodian Sahand; Botten Lindsay; De Sterke C; Asatryan Ara (IEEE, 2008)
    We demonstrate the existence of a class of defects in 2D photonic crystals, for which the eigenstates depend only on the defect geometry, and not on details Re photonic crystal parameters or defect size.
  • Nonlinear photonic crystals in chalcogenide for all-optical processing 
    Grillet Christian; Smith Cameron; Lee Michael; Magi Eric; Moss D; Eggleton Benjamin; Freeman Darren; Madden Steve; Luther-Davies Barry; Byrne Michael; Asatryan Ara; Botten Lindsay (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2006)
    We present the first experimental and theoretical results using nonlinear 2D photonic crystals in Chalcogenide. This scheme provides a promising platform to realize low power integrated all-optical switching and logic ...