Abstract
Performance of an optically controlled phased-array antenna system employing novel single-chip optical wavelength selective true time-delay devices is reported. High-resolution time-delays are demonstrated using integrated delay lines. Extension to two-dimensional (2-D) antenna arrays with independent control of azimuth and elevation by using mid-stage optical wavelength conversion is proposed and demonstrated. An optical true-time-delay steered two-element X-band antenna was assembled to verify the wide instantaneous bandwidth operation.
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