In this paper, we present the GV-matched second- and third-harmonic (TH) generations (THG) of femtosecond pulses in a 2D NPC. In our device, two gratings with different periods (11.6/spl mu/m and 9.36/spl mu/m) are superimposed with an angle of 12/spl deg/, to satisfy the noncollinear QPM conditions for SHG and THG, respectively. In this experiment, TH efficiency was 2% under the condition where the maximum SH efficiency of 25% was obtained.


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    Titel :

    Simultaneous second- and third-harmonic generations of femtosecond pulses using a two-dimensional nonlinear /spl chi/ photonic crystal


    Beteiligte:
    Fujioka, N. (Autor:in) / Ashihara, S. (Autor:in) / Ono, H. (Autor:in) / Shimura, T. (Autor:in) / Kitroda, K. (Autor:in)


    Erscheinungsdatum :

    01.01.2005


    Format / Umfang :

    754548 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch