Edge coupling of a focused partially coherent Gaussian Schell-model beam into a planar dielectric waveguide is examined. The incident field is decomposed into a sum of coherent modes that are expressed as a discrete superposition of plane-wave components. A model based on the rigorous diffraction theory of gratings is used to replace the waveguide with a corresponding periodic multilayer structure to determine the coupling efficiencies. The results obtained with the quasi-rigorous approach are compared with the predictions of the overlap integral method.


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    Title :

    Coupling of partially coherent light into planar waveguides


    Contributors:
    Saastamoinen, T. (author) / Kuittinen, M. (author) / Vahimaa, P. (author) / Turuneru, J. (author) / Tervo, J. (author)


    Publication date :

    2005-01-01


    Size :

    799533 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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