Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/6980
Title: Light Localization in Chirped Woodpile Photonic Crystals
Authors: Hayran, Zeki
Kurt, Hamza
Staliunas, Kestutis
Keywords: [No Keywords]
Issue Date: 2016
Publisher: IEEE
Source: 18th International Conference on Transparent Optical Networks (ICTON) -- JUL 10-14, 2016 -- Univ Trento, Fac Letters & Philosophy, Trento, ITALY
Series/Report no.: International Conference on Transparent Optical Networks-ICTON
Abstract: In this article, light localization inside woodpile photonic crystal made of stacks of parallel dielectric rods is numerically and experimentally investigated. The light localization phenomena is achieved by tailoring the structural parameters in the way that a propagating beam is gradually slowed down and finally stopped at a wavelength-dependent position along the structure. In contrast to previous approaches, where light is trapped in one or two-dimensional photonic structures, the stopped light inside the proposed structure is confined in all three directions, due to the complete three-dimensional photonic bandgap enabled by the unique symmetry properties of the woodpile photonic crystal. By this means, the strict requirements of total internal reflection confinement are eliminated and in result radiation losses are minimized. The operational principle of the proposed structure is verified experimentally at the microwave regime, whose results agree well with the numerical analysis.
URI: https://hdl.handle.net/20.500.11851/6980
ISBN: 978-1-5090-1467-5
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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