Recently, there has been much interest in the development of photonic techniques for steering microwave phased array radar over multiple microwave bands. In these optically controlled phased array antennas, guided lightwave is used as a carrier for distributing and delaying the microwave signals that drive and "phase-up" the antenna radiation elements. In this paper, we will report on the demonstration of a fully functional GaAs monolithic time-delay network for steering phased arrays from L to X band. Specifically, the monolithic time-delay network integrates the delay lines (curved GaAlAs/GaAs rib-waveguides) and MSM detectors that serve as optoelectronic switches on a GaAs substrate.<>


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    Title :

    A detector-switched GaAs monolithic time-delay network for the optical control of phased arrays


    Contributors:
    Ng, W. (author) / Yap, D. (author) / Narayanan, A. (author) / Walston, A. (author) / Hayes, R. (author)

    Published in:

    Publication date :

    1993-01-01


    Size :

    160401 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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