Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/6611
Title: Efficient and broadband guided wave one-way mode-order conversion with theoretical and numerical analysis
Authors: Üstün, Kadir
Kurt, Hamza
Keywords: [No Keywords]
Issue Date: 2013
Publisher: Optical Soc Amer
Abstract: In this article, an efficient method of asymmetric conversion of guided modes is investigated. From a basic excitation consisting of (mainly) the lowest-order mode of the input multimode strip waveguide, we achieve a conversion efficiency of similar to 60% on average, in the forward propagation case, while the backward propagation is suppressed below 10%. The analytical formulation is based on electromagnetic wave theory with orthogonality relations. Affirmative results between the theoretical and numerical findings based on time and frequency domain analysis are observed. The results of this study will increase the ease of implementing an optical isolator if the breaking time-reversal symmetry could be achieved by nonlinear optics or magneto-optic configurations. (C) 2013 Optical Society of America
URI: https://doi.org/10.1364/JOSAB.30.002992
https://hdl.handle.net/20.500.11851/6611
ISSN: 0740-3224
1520-8540
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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