Dispersion engineering of photonic crystal waveguides with ring-shaped holes

M. Säynätjoki, M. Mulot, Jouni Ahopelto, H. Lipsanen

    Research output: Contribution to journalArticleScientificpeer-review

    109 Citations (Scopus)

    Abstract

    The geometry of photonic crystal waveguides with ring-shaped holes is optimized to minimize dispersion in the slow light regime. We found geometries with a nearly constant group index in excess of 20 over a wavelength range of 8 nm. The origin of the low dispersion is related to the widening of the propagating mode close to the lower band gap edge.
    Original languageEnglish
    Pages (from-to)8323-8328
    JournalOptics Express
    Volume15
    Issue number13
    DOIs
    Publication statusPublished - 2007
    MoE publication typeA1 Journal article-refereed

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    engineering
    photonics
    waveguides
    rings
    geometry
    crystals
    wavelengths

    Cite this

    Säynätjoki, M. ; Mulot, M. ; Ahopelto, Jouni ; Lipsanen, H. / Dispersion engineering of photonic crystal waveguides with ring-shaped holes. In: Optics Express. 2007 ; Vol. 15, No. 13. pp. 8323-8328.
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    abstract = "The geometry of photonic crystal waveguides with ring-shaped holes is optimized to minimize dispersion in the slow light regime. We found geometries with a nearly constant group index in excess of 20 over a wavelength range of 8 nm. The origin of the low dispersion is related to the widening of the propagating mode close to the lower band gap edge.",
    author = "M. S{\"a}yn{\"a}tjoki and M. Mulot and Jouni Ahopelto and H. Lipsanen",
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    language = "English",
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    Dispersion engineering of photonic crystal waveguides with ring-shaped holes. / Säynätjoki, M.; Mulot, M.; Ahopelto, Jouni; Lipsanen, H.

    In: Optics Express, Vol. 15, No. 13, 2007, p. 8323-8328.

    Research output: Contribution to journalArticleScientificpeer-review

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    AU - Ahopelto, Jouni

    AU - Lipsanen, H.

    PY - 2007

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    AB - The geometry of photonic crystal waveguides with ring-shaped holes is optimized to minimize dispersion in the slow light regime. We found geometries with a nearly constant group index in excess of 20 over a wavelength range of 8 nm. The origin of the low dispersion is related to the widening of the propagating mode close to the lower band gap edge.

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