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    Effect of the elliptic rods orientations on the asymmetric light transmission in photonic crystals

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    Authors
    Soltani, A.
    Ouerghi, F.
    AbdelMalek, Fathi
    Haxha, Shyqyri
    Ademgil, Huseyin
    Akowuah, Emmanuel K.
    Affiliation
    El-Manar University, Tunisia
    University of Bedfordshire
    European University of Lefke, Turkey
    Kwame Nkrumah University of Science and Technology, Ghana
    Issue Date
    2017-02-03
    Subjects
    FDTD method
    unidirectional light
    two-dimensional square photonic crystal
    asymmetric distribution
    
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    Abstract
    In this work, we report a novel design of a photonic crystal utilizing elliptic rods. The two-dimensional (2D) photonic crystal consists of an asymmetric distribution of unit cells to ensure the one-way transmission of light. Analysis performed indicated that the orientation of the ellipse along the major and minor axis has an influence on the shift of the transmission. In particular, this results in shift of the transmission towards high frequencies and subsequent oscillation of its magnitude. The peak of the transmission band was also found to be strongly influenced by the orientation angle, θ. It has been demonstrated that the strong asymmetric propagation properties of the proposed photonic crystal structure enables the switching of incident light from one direction to another. The proposed structure may be applied as a building block to integrated photonics applications.
    Citation
    Soltani A, Ouerghi F, AbdelMalek F, Haxha S, Ademgil H, Akowuah E (2017) 'Effect of the elliptic rods orientations on the asymmetric light transmission in photonic crystals', Optics Communications, 392, pp.147-152.
    Publisher
    Elsevier
    Journal
    Optics Communications
    URI
    http://hdl.handle.net/10547/623847
    DOI
    10.1016/j.optcom.2017.01.057
    Additional Links
    https://www.sciencedirect.com/science/article/pii/S0030401817300731
    Type
    Article
    Language
    en
    ISSN
    0030-4018
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.optcom.2017.01.057
    Scopus Count
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    Computing

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