Optica Applicata, ( ISI ), No (4), Year (2008-12) , Pages (644-656)

Title : ( Optimization of Two-Dimensional Photonic Crystal Waveguide for TE and TM Polarizations )

Authors: Mohammad Danaie , Amir Reza Attari , Mir Mojtaba Mirsalehi , Sasan Naseh ,

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In this paper, we optimize the geometries of some 2D photonic crystal waveguides to increase their single-mode bandwidths for TE and TM polarizations. Using the Plane Wave Expansion (PWE) method combined with optimization algorithm, we find the local maxima as well as the global maximum. A photonic crystal waveguide geometry is proposed which has a single-mode normalized bandwidth of 41% for TM polarization. This value is about 7% greater than the corresponding value for the commonly used square lattice of dielectric rods in which a row is removed. Also, some waveguide geometries are proposed for TE polarization and it is shown that one of these geometries can provide a single-mode bandwidth of 39%, while the widest bandwidth reported so far for the TE case is 21%. The dielectric material used for both cases is GaAs with a dielectric constant of 11.4.

Keywords

, photonic crystal waveguides, photonic bandgaps,
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@article{paperid:1006931,
author = {Danaie, Mohammad and Attari, Amir Reza and Mirsalehi, Mir Mojtaba and Naseh, Sasan},
title = {Optimization of Two-Dimensional Photonic Crystal Waveguide for TE and TM Polarizations},
journal = {Optica Applicata},
year = {2008},
number = {4},
month = {December},
issn = {0078-5466},
pages = {644--656},
numpages = {12},
keywords = {photonic crystal waveguides; photonic bandgaps; optimization},
}

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%0 Journal Article
%T Optimization of Two-Dimensional Photonic Crystal Waveguide for TE and TM Polarizations
%A Danaie, Mohammad
%A Attari, Amir Reza
%A Mirsalehi, Mir Mojtaba
%A Naseh, Sasan
%J Optica Applicata
%@ 0078-5466
%D 2008

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