Summary form only given. Characterization of third-order optical nonlinearity (/spl chi//sup (3)/) is essential in applications like optical switching and optical communication, etc. The existing methods, however, suffer from either the complexity of the experimental setup (such as four-wave mixing) or the low sensitivity (Z-scan). Recently, with femtosecond laser pulses, Wise et al. (1997-98) demonstrated a simple method to determine refractive, absorptive and Raman-induced /spl chi//sup (3)/, based on the spectrally-resolved two-beam coupling (SRTBC) method. The usage of their simple model is, however, limited to transform-limited laser pulses. We extend the SRTBC method to chirped pulses.


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    Title :

    The effects of chirp on the spectrally resolved two-beam coupling technique


    Contributors:


    Publication date :

    1999-01-01


    Size :

    255444 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English