Abstract
ABSTRACTWe present a novel optical beamforming network that is able to use an uncooled Fabry‐Perot (FP) laser as the optical source. This is achieved by tracking the frequency and power drift of an FP laser and compensating these changes with programmable amplitude and phase in a liquid crystal‐on‐silicon Fourier domain optical processor. The system realizes six microwave phase shifters that operate simultaneously over 12–39.5 GHz with amplitude and phase response variation of 6.1 dB and 14.8°, respectively, under the conditions of changing laser current. © 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:2537–2540, 2016
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