Strong suppression of radiation states in a slab waveguide sandwitched between omnidirectional mirrors

H.J.W.M. Hoekstra, D. Yudistira, R. Stoffer

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    Abstract

    Structures in channel or slab waveguides, applied deliberately or due to
    imperfections, may lead to strong modal losses, corresponding to the excitation of
    radiation modes. As an example, losses are generally very large in slab photonic
    crystal (PhC) impurity waveguides (WGs) due to the combined effect of field
    enhancement and fabrication errors. In the presentation it is shown that for a
    silicon slab in air such radiation losses can be strongly reduced, by approximately
    one order of magnitude, by structural optimization of such a slab sandwiched
    between two omni-directional mirrors. The effect can be used for the production of
    low loss PhC impurity WGs, high Q-cavities and low-loss transitions between
    different WG sections.
    Original languageEnglish
    Title of host publicationProceedings International Conference on Applied Mathematics 2005
    Place of PublicationBandung, Indonesia
    PublisherInstitut Teknologi Bandung
    Pages397-397
    Number of pages1
    ISBN (Print)90-3652244-7
    Publication statusPublished - 22 Aug 2005
    EventInternational Conference on Applied Mathematics, ICAM 2005 - Institut Teknologi Bandung, Bandung, Indonesia
    Duration: 22 Aug 200526 Aug 2005

    Conference

    ConferenceInternational Conference on Applied Mathematics, ICAM 2005
    Abbreviated titleICAM
    CountryIndonesia
    CityBandung
    Period22/08/0526/08/05

    Keywords

    • Photonic crystals
    • Photonic bandgap
    • High Q
    • Low loss
    • Cavities
    • IOMS-SNS: SENSORS

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