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Microcomb-Based Photonic RF Signal Processing

IEEE Photonics Technology Letters · 2019 · Vol. 31(23) · pp. 1854–1857

Xingyuan Xu✉(Swinburne University of Technology)Mengxi Tan(Swinburne University of Technology)Jiayang Wu(Swinburne University of Technology)Roberto Morandotti(University of Electronic Science and Technology of China)Arnan Mitchell(RMIT University)David Moss(Swinburne University of Technology)

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Abstract

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.

Advanced Fiber Laser Technologies Advanced Photonic Communication Systems Photonic and Optical DevicesPhotonicsRadio frequencySignal processingOptoelectronicsMaterials scienceOpticsComputer sciencePhysicsTelecommunicationsRadar