Integrated microwave photonic functionalities on a hybrid integrated InP-Si3N4 PIC platform

This paper describes our hybrid integrated microwave photonic chip platform where ultra-low-loss $\mathrm{Si}_{3} \mathrm{~N}_{4}$-based-TriPleX
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and active InP integrated circuits are combined to enable broadband and high frequency radio signal processing in the optical domain. The platform consists of a high-power laser, high-speed modulators and detectors. Using this platform, we demonstrated reconfigurable microwave filters, multiplexers and demultiplexers, local oscillator (LO) generation, frequency converters, and repeaters.