Photonic band structure: The face-centered-cubic case employing nonspherical atoms

E. Yablonovitch, T. J. Gmitter, K. M. Leung

    Research output: Contribution to journalArticle

    Abstract

    We introduce a practical, new, face-centered-cubic dielectric structure which simultaneously solves two of the outstanding problems in photonic band structure. In this new "photonic crystal" the atoms are nonspherical, lifting the degeneracy at the W point of the Brillouin zone, and permitting a full photonic band gap rather than a pseudogap. Furthermore, this fully three-dimensional fcc structure lends itself readily to microfabrication on the scale of optical wavelengths. It is created by simply dirring three sets of holes 35.26°off vertical into the top surface of a solid slab or wafer, as can be done, for example, by chemical-beam-assisted ion etching.

    Original languageEnglish (US)
    Pages (from-to)2295-2298
    Number of pages4
    JournalPhysical Review Letters
    Volume67
    Issue number17
    DOIs
    StatePublished - 1991

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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