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    Opto-VLSI-based photonic true-time delay architecture for broadband adaptive nulling in phased array antennas

    Access Status
    Fulltext not available
    Authors
    Juswardy, Budi
    Xiao, F.
    Alameh, K.
    Date
    2009
    Type
    Journal Article
    
    Metadata
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    Citation
    Juswardy, B. and Xiao, F. and Alameh, K. 2009. Opto-VLSI-based photonic true-time delay architecture for broadband adaptive nulling in phased array antennas. Optics Express. 17 (6): pp. 4773-4778.
    Source Title
    Optics Express
    DOI
    10.1364/OE.17.004773
    School
    Curtin Institute of Radio Astronomy (Engineering)
    URI
    http://hdl.handle.net/20.500.11937/8158
    Collection
    • Curtin Research Publications
    Abstract

    This paper proposes a novel Opto-VLSI-based tunable true-time delay generation unit for adaptively steering the nulls of microwave phased array antennas. Arbitrary single or multiple true-time delays can simultaneously be synthesized for each antenna element by slicing an RF-modulated broadband optical source and routing specific sliced wavebands through an Opto-VLSI processor to a high-dispersion fiber. Experimental results are presented, which demonstrate the principle of the true-time delay unit through the generation of 5 arbitrary true-time delays of up to 2.5 ns each. © 2009 Optical Society of America.

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