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  • Issues when designing hypoellipse photonic crystal waveguides

    Author(s)
    Mirjalili, Seyed Mohammad
    Mirjalili, Seyedeh Zahra
    Griffith University Author(s)
    Mirjalili, Seyedali
    Year published
    2015
    Metadata
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    Abstract
    This work designs a type of line-defect photonic crystal waveguide (PCW) called hypoellipse PCW (HPCW) that considers two conflicting issues: group index and bandwidth. To do so, the recent multi objective framework called MoMIR is employed. A wide range of designs obtained demonstrates the advantage of considering group index and bandwidth simultaneously when designing HPCWs. Comparison of the proposed HPCW with the current best PCWs shows a nearly 7% improvement over the latter in terms of normalized delay-bandwidth product (NDBP). Analysis of the results reveals some of the physical rules about the structure of the HPCW. ...
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    This work designs a type of line-defect photonic crystal waveguide (PCW) called hypoellipse PCW (HPCW) that considers two conflicting issues: group index and bandwidth. To do so, the recent multi objective framework called MoMIR is employed. A wide range of designs obtained demonstrates the advantage of considering group index and bandwidth simultaneously when designing HPCWs. Comparison of the proposed HPCW with the current best PCWs shows a nearly 7% improvement over the latter in terms of normalized delay-bandwidth product (NDBP). Analysis of the results reveals some of the physical rules about the structure of the HPCW. Finally, optical pulse propagation in obtained HPCWs and the process of designing an optical buffer by using an obtained design are explained.
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    Journal Title
    Infrared Physics & Technology
    Volume
    69
    DOI
    https://doi.org/10.1016/j.infrared.2015.01.003
    Subject
    Condensed matter physics
    Atomic, molecular and optical physics
    Science & Technology
    Physical Sciences
    Instruments & Instrumentation
    Optics
    Publication URI
    http://hdl.handle.net/10072/411884
    Collection
    • Journal articles

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