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  • Engineering Hybrid Guided Modes in Subwavelength Uniaxial Metamaterial Waveguides

    Author(s)
    Zhao, Huijun
    Zhang, Junchao
    Wang, Guanghui
    Griffith University Author(s)
    Zhao, Huijun
    Year published
    2017
    Metadata
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    Abstract
    We report anomalous dispersion properties of hybrid guided modes (HGMs) and their group velocity in a subwavelength uniaxial metamaterial waveguide with metal cladding. We derive exact dispersion relations and modal fields of HGMs by solving eigenvalue equation based on basic electromagnetic field theory in detail. Numerical results show that two fundamental HGMs and two types of high-order HGMs can be excited, and their exciting conditions are clarified. In addition, such HGMs can be engineered to belong to normal dispersion or anomalous dispersion. Importantly, the HGMs may be controlled to be forward or backward, and their ...
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    We report anomalous dispersion properties of hybrid guided modes (HGMs) and their group velocity in a subwavelength uniaxial metamaterial waveguide with metal cladding. We derive exact dispersion relations and modal fields of HGMs by solving eigenvalue equation based on basic electromagnetic field theory in detail. Numerical results show that two fundamental HGMs and two types of high-order HGMs can be excited, and their exciting conditions are clarified. In addition, such HGMs can be engineered to belong to normal dispersion or anomalous dispersion. Importantly, the HGMs may be controlled to be forward or backward, and their group velocities may be very small in a certain frequency band. These properties make such metamaterial waveguides have many potential applications in integrated optics, information storage and biosensing.
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    Journal Title
    Plasmonics
    Volume
    12
    Issue
    2
    DOI
    https://doi.org/10.1007/s11468-016-0256-8
    Subject
    Atomic, molecular and optical physics
    Other physical sciences
    Science & Technology
    Physical Sciences
    Technology
    Chemistry, Physical
    Nanoscience & Nanotechnology
    Publication URI
    http://hdl.handle.net/10072/409465
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    • Journal articles

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