In this contribution, we present a novel class of vectorial pulsed Bessel beams that can propagate in a one-dimensional photonic band gap (PBG) free of diffraction and pulse broadening. Non-diffractive and non-dispersive pulsed Bessel beams solutions require the second order group velocity dispersion to be zero, a condition which is always satisfied at frequencies where the band structure has a flex. In this case, on the second band, the period of the layered structure for which second-order group velocity dispersion vanishes is for a/spl cong/468 nm.


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    Title :

    Undistorted pulsed Bessel beams propagating in periodic layered media


    Contributors:
    Longhi, S. (author) / Janner, D. (author) / Laporta, P. (author)


    Publication date :

    2005-01-01


    Size :

    846344 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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