It is well known that polarization-independent operation has been obtained in a MQW EA modulator with tensile-strained walls. However, as far we know, no synthetic approach to the polarization-independent EA modulator by means of optimizing the MQW strain has been reported. In this paper, we describe a well-resolved absorption spectra correlating to the valence-subband structure as a function of the strain of the well. Also we report our development of the polarization-independent InGaAlAs/InAlAs MQW EA modulator by optimizing the MQW strain and the structure of the modulator.


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    Title :

    Polarization-independent InGaAlAs/InAlAs electroabsorption modulators with an optimized strained-MQW


    Contributors:
    Akage, Y. (author) / Takeuchi, H. (author) / Tsuzuki, K. (author) / Kondo, S. (author) / Noguchi, Y. (author) / Okamoto, H. (author) / Yamanaka, T. (author)


    Publication date :

    1999-01-01


    Size :

    160341 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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