Summary form only given. Recently, semiconductor saturable Bragg reflectors (SBRs) have been successfully developed for passive mode-locking of solid state lasers. In particular, we have developed a triple strained quantum well saturable Bragg reflector (SSBR) with saturation fluence as low as 12 /spl mu/J/cm/sup 2/. This suggests potential applications of this device for applications such as all-optical switching and modulation. In this work, we report a new type of SBR using triple strained-layer quantum wells as the absorbing layer which is named as as strained saturated Bragg reflector (SSBR). The time-resolved differential reflection (/spl Delta/R/R) in this SSBR with detailed variant pumping energies has been observed. The influence of carrier scattering and process of recombination on the temporal and spectral /spl Delta/R/R dynamics have been investigated.


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    Title :

    Giant optical nonlinearity and ultrafast carrier dynamics of a strained quantum well saturable Bragg reflector (SSBR)


    Contributors:
    Tze-An Liu, (author) / Jia-Min Shieh, (author) / Huang, K.F. (author) / Ci-Ling Pan, (author)


    Publication date :

    1999-01-01


    Size :

    262809 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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