We propose a new design for compact tunable optical delay lines, based on adiabatic wavelength conversion and group velocity dispersion, in engineered silicon slow light photonic crystal waveguides. Actuation is performed over a small fraction of the device area, allowing for efficient operation in terms of switching power. We report on the experimental demonstration of variable delays up to 15 ps in a 300 μm long waveguide using this scheme, thus realising an ultrafast tunable delay line in an integrated format.


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    Title :

    Ultrafast tunable optical delay in slow light photonic crystal waveguides


    Contributors:
    Rey, I. H. (author) / Beggs, D. M. (author) / Kampfrath, T. (author) / Kuipers, L. (author) / Krauss, T. F. (author)


    Publication date :

    2011-09-01


    Size :

    454602 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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