We present a novel astigmatic beam shaping technique to fabricate, by femtosecond laser pulses, waveguides with circular transverse profile and arbitrary size. We obtain single-mode active waveguides at 1.5 /spl mu/m with gain of 1.5 dB.


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    Title :

    Femtosecond micromachining of symmetric active waveguides by astigmatically shaped beams


    Contributors:
    Cerullo, G. (author) / De Silvestri, S. (author) / Osellame, R. (author) / Taccheo, S. (author) / Marangoni, M. (author) / Ramponi, R. (author) / Laporta, P. (author)


    Publication date :

    2003-01-01


    Size :

    204565 byte



    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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