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      One and two dimensional LiNbO3 photonic crystals

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      Author(s)
      Şimşek, Şevket
      Mamedov, Amirullah M.
      Özbay, Ekmel
      Date
      2013
      Source Title
      2013 Joint IEEE International Symposium on Applications of Ferroelectric and Workshop on Piezoresponse Force Microscopy (ISAF/PFM)
      Publisher
      IEEE
      Pages
      49 - 52
      Language
      English
      Type
      Conference Paper
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      Abstract
      In this report, we present an investigation of the optical properties and band structure calculations for the photonic crystal structures (PCs) based on one-dimensional (1D) and two-dimensional (2D) ferroelectric LiNbO3 crystal. Here we use 1D and 2D periodic crystal structure of dielectric rods and layers in air background. We have theoretically calculated photonic band structure and optical properties of 1D and 2D LiNbO3 PCs. Beside, we have calculated affect PBG properties of different parameters such as filling fraction and the shape. In order to get photonic gap map, we have calculated the gaps as a function of radius of the rods. We have also investigated the nature of guided modes in line defect waveguide. In our simulation, we employed the finite-difference time domain (FDTD) technique which implies the solution of Maxwell equations with centered finite-difference expressions for the space and time derivatives. © 2013 IEEE.
      Keywords
      Band structure
      Crystal structure
      Ferroelectricity
      Finite difference time domain method
      Optical properties
      Scanning probe microscopy
      Time domain analysis
      Transmissions
      Two dimensional
      Band structure calculation
      Dielectric rods
      Filling fractions
      Finite difference time domains
      Line defect waveguide
      Photonic band structures
      Photonic gap map
      Photonic crystals
      Permalink
      http://hdl.handle.net/11693/28033
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/ISAF.2013.6748742
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      • Nanotechnology Research Center (NANOTAM) 1063
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