Photonic band structure: The case of oval holes

Guo Xin Qian, K. M. Leung

    Research output: Contribution to journalArticlepeer-review


    The photonic bands of a face-centered-cubic structure with a basis consisting of three intersecting cylinders with oval cross section are computed using the plane-wave method. The optimal band-gap size to midgap frequency ratio is found to be 12% larger than the case of circular holes for a refractive-index contrast of 3.6. A contour plot is computed that gives this ratio as a function of both the refractive-index contrast and the major diameter of the oval holes.

    Original languageEnglish (US)
    Pages (from-to)11482-11485
    Number of pages4
    JournalPhysical Review B
    Issue number20
    StatePublished - 1991

    ASJC Scopus subject areas

    • Condensed Matter Physics


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