Among the most productive research lines, PRL is considered a world leading group in Microwave Photonics (MWP), principally due to its contributions to the field of microwave photonic signal processing, a fundamental technology for the convergence of fixed and wireless telecommunication networks. The research is focused in tunable and reconfigurable microwave filters based in fibre gratings and delay lines for the processing of radiofrequency, microwave and milimetric signals, directly in the optical domain, Remote antenna array feeders by means of optical delay lines (beamforming and beam-stearing), Ultra-high capacity transmission through multimode fiber for in-building and access networks, Slow and Fast Light (SFL) Effects applied to Microwave Photonics. Implementation of tunable broadband microwave phase shifting and true time delay functionalities by means of different SFL technologies as Coherent Population Oscillations in Semiconductor Optical Amplifiers and stimulated Brillouin scattering in optical fibers, RADAR and Ultra Wide Band (UWB) applications and Optical Frequency Division Multiplexing (OFDM) techniques.
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