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A photonic integrated-optic RF phase shifter for phased array antenna beam-forming applications

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3 Author(s)
J. F. Coward ; Lockheed Missiles & Space Co. Inc., Sunnyvale, CA ; C. H. Chalfant ; P. H. Chang

A photonic in-phase/quadrature (I-Q) RF phase shifter utilizing two integrated optic Mach-Zehnder modulators has been tested. This phase shifter demonstrates the capability of 360° phase control, <1° RF errors at constant amplitude, and <1° errors over a 30-dB RF amplitude taper

Published in:

Journal of Lightwave Technology  (Volume:11 ,  Issue: 12 )