RF photonics: an optical microcombs' perspective

J Wu, X Xu, TG Nguyen, ST Chu… - IEEE Journal of …, 2018 - ieeexplore.ieee.org
Over the past decade, optical frequency combs generated by high-Q microresonators, or
optical microcombs, which feature compact device footprints, low power consumption, and …

RF and microwave photonic temporal signal processing with Kerr micro-combs

M Tan, X Xu, J Wu, R Morandotti, A Mitchell… - … in Physics: X, 2021 - Taylor & Francis
Integrated Kerr micro-combs are a powerful source of multiple wavelength channels for
photonic radio frequency (RF) and microwave signal processing, particularly for transversal …

[PDF][PDF] RF and microwave photonic high bandwidth signal processing based on Kerr micro-comb sources

M Tan, X Xu, J Wu, R Morandotti, A Mitchell… - … in Physics X, 2020 - researchgate.net
Integrated Kerr micro-combs are a powerful source of multiple wavelength channels for
photonic radio frequency (RF) and microwave signal processing, particularly for transversal …

Photonic RF and microwave integrator based on a transversal filter with soliton crystal microcombs

X Xu, M Tan, J Wu, A Boes, B Corcoran… - … on Circuits and …, 2020 - ieeexplore.ieee.org
We demonstrate a photonic RF integrator based on an integrated soliton crystal micro-comb
source. By multicasting and progressively delaying the input RF signal using a transversal …

RF and microwave fractional differentiator based on photonics

M Tan, X Xu, B Corcoran, J Wu, A Boes… - … on Circuits and …, 2020 - ieeexplore.ieee.org
We report a photonic radio frequency (RF) fractional differentiator based on an integrated
Kerr micro-comb source. The micro-comb source has a free spectral range (FSR) of 49 GHz …

[HTML][HTML] High performance RF filters via bandwidth scaling with Kerr micro-combs

X Xu, M Tan, J Wu, TG Nguyen, ST Chu, BE Little… - APL Photonics, 2019 - pubs.aip.org
We demonstrate high-resolution photonic RF filters using an RF bandwidth scaling
approach based on integrated Kerr optical micro-combs. By employing both an active …

Highly versatile broadband RF photonic fractional hilbert transformer based on a Kerr soliton crystal microcomb

M Tan, X Xu, A Boes, B Corcoran, J Wu… - Journal of Lightwave …, 2021 - opg.optica.org
We demonstrate an RF photonic fractional Hilbert transformer based on an integrated Kerr
micro-comb source featuring a record low free spectral range of 48.9 GHz, yielding 75 …

Photonic microwave true time delays for phased array antennas using a 49 GHz FSR integrated optical micro-comb source

X Xu, J Wu, TG Nguyen, T Moein, ST Chu… - Photonics …, 2018 - opg.optica.org
We demonstrate significantly improved performance of a microwave true time delay line
based on an integrated optical frequency comb source. The broadband micro-comb (over …

Advanced RF and microwave functions based on an integrated optical frequency comb source

X Xu, J Wu, TG Nguyen, M Shoeiby, ST Chu… - Optics …, 2018 - opg.optica.org
We demonstrate advanced transversal radio frequency (RF) and microwave functions based
on a Kerr optical comb source generated by an integrated micro-ring resonator. We achieve …

Advanced adaptive photonic RF filters with 80 taps based on an integrated optical micro-comb source

X Xu, M Tan, J Wu, TG Nguyen, ST Chu… - Journal of Lightwave …, 2019 - ieeexplore.ieee.org
We demonstrate a photonic radio frequency (RF) transversal filter based on an integrated
optical micro-comb source featuring a record low free spectral range of 49 GHz, yielding 80 …