We report an SOI based 1×4 coarse wavelength-division-multiplexer (CWDM) planar concave grating multiplexer/demultiplexer and its application in re-configurable optical add/drop multiplexer (ROADM) system. We employed recursion numerical method to build a low aberration, non-circle grating circle model of concave grating. We fabricated the device using CMOS compatible silicon planar integration technology. The concave grating multiplexer wavelengths are well fitted within ITU-T standard. We also fabricate a prototype of ROADM comprising two CWDMs and four wide-band optical switches. The ROADM function performance is presented.


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    Title :

    Low aberration concave grating for re-configurable optical add/drop multiplexer applications


    Contributors:
    Junfeng Song, (author) / Luo Xianshu, (author) / Fang, Q. (author) / Liow, T. Y. (author) / Cai, H. (author) / Yu, M. B. (author) / Lo, G. Q. (author)


    Publication date :

    2011-10-01


    Size :

    1410815 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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