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Xu, Xingyuan; Tan, Mengxi; Wu, Jiayang; Morandotti, Roberto; Mitchell, Arnan; Moss, David J.
IEEE photonics technology letters, 12/2019, Letnik: 31, Številka: 23Journal Article
Microcombs are powerful tools as sources of multiple wavelength channels for photonic radio frequency (RF) signal processing. They offer a compact device footprint, large numbers of wavelengths, and wide Nyquist bands. Here, we review recent progress on microcomb-based photonic RF signal processors, including true time delays, reconfigurable filters, Hilbert transformers, differentiators, and channelizers. The strong potential of optical micro-combs for RF photonics applications in terms of functions and integrability is also discussed.
