Conventional resonant filters are polarization sensitive due to the modal birefringence as well as the polarization-dependent grating coupling and modal losses/gains. To reduce or eliminate the polarization sensitivity, we have proposed a polarization-independent grating resonator where the signal within the stopbands is reflected back to the same waveguide. In order to separate the reflected signal from the input signal spatially, we propose a polarization-independent coupled waveguide resonator filter and illustrate its design procedure with an example.


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    Title :

    A polarization-independent coupled-waveguide grating resonator filter


    Contributors:
    Qing Guo (author) / Wei-Ping Huang (author) / Chi Wu (author)


    Publication date :

    1996-01-01


    Size :

    165585 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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