We demonstrate a highly tunable (up to 20%) spectral filter for the terahertz range. The filter is based on a defect mode caused by inserting a defect layer into an otherwise periodic one-dimensional photonic crystal. The high tunability of a narrow transmission band (defect mode) originates from a strong temperature dependence of the permittivity of incipient ferroelectric (KTaO/sub 3/) acting as the defect.


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    Titel :

    Thermally tunable filter for terahertz range based on defect mode in one-dimensional photonic crystal


    Beteiligte:
    Nemec, H. (Autor:in) / Duvillaret, L. (Autor:in) / Garet, F. (Autor:in) / Kuzel, P. (Autor:in)


    Erscheinungsdatum :

    2004-01-01


    Format / Umfang :

    182245 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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