A phase modulated (PM) microwave photonic link (MPL) with linearity improvement is presented. The link demodulates the PM using a phase discriminator based on a dynamically tunable, integrated, sixth-order optical lattice filter in planar lightwave circuit (PLC) technology. The linearity of the demodulation process is optimized by using electrical spectrum monitoring and a feedback algorithm to automatically choose the filter coefficients. For a 2 GHz modulation frequency, the link achieves a 6.7 dB improvement in the third-order output intercept point (OIP3) for intermodulation distortion (IMD) over a Mach-Zehnder interferometer (MZI).


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    Title :

    Dynamic linearity improvement of phase and frequency modulated microwave photonic links using optical lattice filter discriminators


    Contributors:
    Wyrwas, J. M. (author) / Rasras, M. S. (author) / Chen, Y. K. (author) / Cappuzzo, M. A. (author) / Chen, E. Y. (author) / Gomez, L. T. (author) / Klemens, F. (author) / Keller, R. (author) / Earnshaw, M. P. (author) / Padro, F. (author)


    Publication date :

    2011-10-01


    Size :

    650808 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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