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A photonic scheme for frequency-quadrupled microwave signal generation with full 360 arbitrarily tunable phase shift is proposed and experimentally demonstrated. Two coherent optical components are generated by biasing a Mach–Zehnder modulator at maximum transmission point to suppress odd-order sidebands. Then, two second order sidebands together with the optical carrier are sent to a programmable...
We propose a novel simple photonic approach to generate microwave signals with tunable frequency. The approach is based on beating between two highly chirped pulse-trains with relative time-delay at the photodetector (PD). We derive mathematical expressions to describe the approach and present simulation results to show that, depending on the amount of dispersion introduced in the system, the generated...
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