Broadband Microwave Signal Processing Enabled by Polarization-Based Photonic Microwave Phase Shifters.

MICROWAVE phase shifters; SIGNAL processing; MICROWAVE photonics; BANDWIDTHS; CIRCULAR polarization; WAVELENGTHS

A polarization-based photonic microwave phase shifter that implemented with an orthogonal circularly-/linearly-polarized wavelength generator incorporated with a polarizer provides advantages of high scalability, high-speed phase tuning, large operation bandwidth, full-360-degree tunability, flat power response, and compact configuration, making it a key enabler for tunable microwave photonic filtering, optically controlled beamforming, high speed phase coding, large time-bandwidth product signal generation, phase noise measurement, and co-site RF signal cancellation. In this paper, the recent advances of polarization-based photonic microwave phase shifters are reviewed. A general model of the polarization-based photonic microwave phase shifter is established, and the applications of the polarization-based photonic microwave phase shifter are described and discussed. [ABSTRACT FROM AUTHOR]

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