posted on 2023-11-30, 18:55authored byXingyuan Xu, Mengxi Tan, Jiayang Wu, Roberto Morandotti, Arnan Mitchell, David J. Moss
Microcombs are powerful tools as sources of multiple wavelength channels for photonic 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.
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