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Title: Optical surface modes of photonic crystals for dual-polarization waveguide
Authors: Erim, Muhammed Necip
Erim, Nur
Kurt, Hamza
Keywords: Photonic crystals
Polarization-insensitive waveguides
Optical surface modes
Wide bandwidth waveguides
Issue Date: 2013
Publisher: Elsevier Science Bv
Abstract: In this study, the design of a polarization-independent (dual-polarization) waveguide is presented by utilizing surface modes of photonic crystals. The waveguide structure operates in a frequency interval that is commonly shared by both transverse-electric (TE) and transverse-magnetic (TM) polarizations. The numerical calculations based on plane wave expansion and finite-difference time-domain methods are carried out to design and demonstrate a surface mode waveguide that provides confinement and guiding for both TE and TM modes. Once the relevant modes are properly excited, the high transmission efficiency of the photonic crystal surface waveguide is ensured. The demand to have polarization-insensitive devices makes our proposed design an important component for the photonic integrated circuit applications. Finally, we also propose a broadband surface mode photonic crystal waveguide with a bandwidth value of 28% for only TE polarization. (C) 2012 Elsevier B.V. All rights reserved.
ISSN: 1569-4410
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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