Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/781
Title: Highly controlled Bloch wave propagation in surfaces with broken symmetry
Authors: Yılmaz, Döne
Yeltik, Aydan
Kurt, Hamza
200103
Keywords: Crack propagation
Frequency domain analysis
Surface waves
Wave propagation
Photonic crystals
Slow light
Guides
Issue Date: 1-Jun-2018
Publisher: OSA - The Optical Society
Source: Yilmaz, D., Yeltik, A., & Kurt, H. (2018). Highly controlled Bloch wave propagation in surfaces with broken symmetry. Optics letters, 43(11), 2660-2663.
Abstract: We propose and demonstrate reduced symmetry photonic surfaces providing highly controlled Bloch wave propagation. The backward and dual directional propagations have been observed in the proposed low-symmetric periodic structures without variation in the unit-cell filling factor. Frequency-domain analyses present group indices up to negative/positive −237∕ 96 as strong indicators of the observed directional controlled surface waves driven by the orientation angle in the range of 20°–90°. Further verification of the index-based propagation direction has been achieved through detailed time-domain analyses and microwave experiments. Smart management of the propagation direction in low-symmetric surfaces has great potential for next-generation photonic applications.
URI: https://doi.org/10.1364/OL.43.002660
https://hdl.handle.net/20.500.11851/781
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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