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Title: All Dielectric Mode Order Transformation Photonic Structure Design by Evolutionary Optimization Approach
Authors: Bor, E.
Babayiğit, C.
Kurt, H.
Turduev, Mirbek
Keywords: photonic crystals
integrated optics
phase shift
mode order converter
differential evolution algorithm
Issue Date: 2018
Publisher: IEEE
Source: 20th International Conference on Transparent Optical Networks (ICTON) -- JUL 01-05, 2018 -- Univ Politehnica Bucharest, Cent Lib, Bucharest, ROMANIA
Series/Report no.: International Conference on Transparent Optical Networks-ICTON
Abstract: In this manuscript, an evolutionary algorithm is applied to design a mode order converter photonic crystal structure for achieving transformation of the propagating fundamental mode to the higher order mode. In order to transform incident light mode from an even mode to an odd mode, predefined mask object functions are employed. The cross-sectional field profiles at the output face of the optimized structure are utilized to evaluate the optimization cost function to achieve mode order transformation task. In the study, the optimized structure composed of dielectric alumina (Al2O3) rods and time domain analyses of the optimization process are done by using finite-difference time domain method. Furthermore, numerical results are confirmed by experiments for designed structure at the microwave frequencies. It is shown that the numerical calculations and experimental measurements agree well with each other.
ISBN: 978-1-5386-6605-0
ISSN: 2162-7339
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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