Applications of optical microcombs

Y Sun, J Wu, M Tan, X Xu, Y Li, R Morandotti… - Advances in Optics …, 2023 - opg.optica.org
Optical microcombs represent a new paradigm for generating laser frequency combs based
on compact chip-scale devices, which have underpinned many modern technological …

Third-order optical nonlinearities of 2D materials at telecommunications wavelengths

L Jia, J Wu, Y Zhang, Y Qu, B Jia, DJ Moss - Micromachines, 2023 - mdpi.com
All-optical signal processing based on nonlinear optical devices is promising for ultrafast
information processing in optical communication systems. Recent advances in two …

Photonic RF arbitrary waveform generator based on a soliton crystal micro-comb source

M Tan, X Xu, A Boes, B Corcoran, J Wu… - Journal of Lightwave …, 2020 - ieeexplore.ieee.org
We report a photonic-based radio frequency (RF) arbitrary waveform generator (AWG) using
a soliton crystal micro-comb source with a free spectral range (FSR) of 48.9 GHz. The comb …

Orthogonally polarized RF optical single sideband generation with integrated ring resonators

M Tan, X Xu, J Wu, TG Nguyen, ST Chu… - Journal of …, 2021 - iopscience.iop.org
We review recent work on narrowband orthogonally polarized optical RF single sideband
generators as well as dual-channel equalization, both based on high-Q integrated ring …

[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 radio frequency channelizers based on Kerr optical micro-combs

M Tan, X Xu, J Wu, TG Nguyen, ST Chu… - Journal of …, 2021 - iopscience.iop.org
We review recent work on broadband RF channelizers based on integrated optical
frequency Kerr micro-combs combined with passive micro-ring resonator filters, with …

[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 …

Broadband microwave frequency conversion based on an integrated optical micro-comb source

X Xu, J Wu, M Tan, TG Nguyen, ST Chu… - Journal of Lightwave …, 2020 - opg.optica.org
We report a broadband microwave frequency converter based on a coherent Kerr optical
micro-comb generated by an integrated micro-ring resonator. The coherent micro-comb …

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 …

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 …