Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/5959
Title: Slow light analysis in 8-fold symmetric quasicrystal waveguides
Other Titles: Yavaş ışığın 8-kat simetrik kuazi kristal dalga kılavuzlarında analizi
Authors: Özbenli, Hasan Hüseyin
Yazgan, Eerdem
Kurt, Hamza
Issue Date: 2012
Source: 2012 20th Signal Processing and Communications Applications Conference, SIU 2012, 18 April 2012 through 20 April 2012, Fethiye, Mugla, 90786
Abstract: This paper investigates octagonal symmetric quasicrystalline (QC) dielectric media to realize slow-light propagation of resonances inside the band gap region. The process can be initiated by designing different configurations of planar waveguide patterns. The finite-difference time-domain (FDTD) method clearly allows seeing the occurrence of band gaps in transmission spectrum for no-defect case. The line-defect case creates resonant modes of QCs structure. The slow light properties are investigated in terms of group index value and dispersion features. Monitoring the propagation of input Gaussian pulse inside the waveguide region, the slowdown factor ng is extracted. The findings of the present work show that QCs are very promising photonic structures for engineering the group velocity of light. © 2012 IEEE.
URI: https://doi.org/10.1109/SIU.2012.6204796
https://hdl.handle.net/20.500.11851/5959
ISBN: 9781467300568
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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