In this paper, the use of magnesium oxide (MgO) indiffusion in combination with Ti:LiNbO/sub 3/ through appropriate control of pre- and post-diffusion parameters is investigated as a way of controlling optical mode size. The co-diffusion of pre-patterned Ti with various patterned MgO films on LiNbO/sub 3/ has been compared experimentally. This method has been applied to study straight waveguides and couplers. The waveguides were optically characterized by near-field mode size and loss measurements methods at a wavelength of 1.55 /spl mu/m. Reduction of inter-mode coupling between adjacent waveguides with the introduction of MgO has been observed.


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    Titel :

    Optical mode size control by MgO indiffusion in Ti:LiNbO/sub 3/ waveguides


    Beteiligte:
    Jayantha, Y.V.D. (Autor:in) / Mitchell, A. (Autor:in) / Austin, M.W. (Autor:in)


    Erscheinungsdatum :

    01.01.2002


    Format / Umfang :

    263900 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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