Two-dimensional photonic crystals etched into GaAs/AlGaAs waveguides have been investigated by means of second-harmonic generation (SHG) from the surface of the samples. 130-fs laser pulses from a tunable Ti:sapphire source at 800 nm and from an optical parametric oscillator in the range 1.4-1.6 micron have been chosen to excite SH signals in reflection and diffraction directions. Their observed behavior reflects the GaAs crystalline symmetry and the photonic crystal structure, respectively.


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    Titel :

    Second-harmonic resonances in GaAs/AlGaAs photonic crystal slabs


    Beteiligte:
    Vecchi, G. (Autor:in) / Andreani, L.C. (Autor:in) / Guizzetti, G. (Autor:in) / Patrini, M. (Autor:in) / Malvezzi, A.M. (Autor:in) / Businaro, L. (Autor:in) / Di Fabrizio, E. (Autor:in) / Romanato, F. (Autor:in) / Passaseo, A. (Autor:in) / De Vittorio, M. (Autor:in)


    Erscheinungsdatum :

    01.01.2003


    Format / Umfang :

    80920 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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