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Title: Optimization of Epsilon-and-mu-near-zero Refractive Index Photonic Structure to Design Unidirectional Transmission Device
Authors: Turduev, Mirbek
Bor, E.
Yasa, U. G.
Kurt, Hamza
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 study, we introduce a novel approach for designing an unidirectional transmission device by using a photonic crystal (PC) structure that exhibits the properties of epsilon-mu-near-zero media. The selected PC structure consists of dielectric rods and positions of certain preselected rods in y-direction are optimized via an evolutionary algorithm to obtain the unidirectional transmission of light. Finite-difference time-domain (FDTD) method is used to perform numerical analyses for the proposed device. In addition, experiments are carried out at microwave frequencies to demonstrate the unidirectional light transmission. It is shown that a good agreement between numerical calculations and experimental measurements is achieved.
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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