Integrated optical frequency comb technologies

L Chang, S Liu, JE Bowers - Nature Photonics, 2022 - nature.com
Optical frequency combs offer an unrivalled degree of frequency measurement precision
that underpins the advance of modern technology in both fundamental science and …

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 …

[HTML][HTML] Microcomb-based integrated photonic processing unit

B Bai, Q Yang, H Shu, L Chang, F Yang, B Shen… - Nature …, 2023 - nature.com
The emergence of parallel convolution-operation technology has substantially powered the
complexity and functionality of optical neural networks (ONN) by harnessing the dimension …

Graphene oxide for nonlinear integrated photonics

Y Zhang, J Wu, L Jia, Y Qu, Y Yang… - Laser & Photonics …, 2023 - Wiley Online Library
Integrated photonic devices operating via optical nonlinearities offer a powerful solution for
all‐optical information processing, yielding processing speeds that are well beyond that of …

[HTML][HTML] Sagnac interference in integrated photonics

H Arianfard, S Juodkazis, DJ Moss, J Wu - Applied Physics Reviews, 2023 - pubs.aip.org
As a fundamental optical approach to interferometry, Sagnac interference has been widely
used for reflection manipulation, precision measurements, and spectral engineering in …

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 …

Graphene oxide for integrated photonics and flat optics

J Wu, L Jia, Y Zhang, Y Qu, B Jia… - Advanced Materials, 2021 - Wiley Online Library
With superior optical properties, high flexibility in engineering its material properties, and
strong capability for large‐scale on‐chip integration, graphene oxide (GO) is an attractive …

[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 …

Enhanced Kerr nonlinearity and nonlinear figure of merit in silicon nanowires integrated with 2D graphene oxide films

Y Zhang, J Wu, Y Yang, Y Qu, L Jia… - … Applied Materials & …, 2020 - ACS Publications
Layered two-dimensional (2D) graphene oxide (GO) films are integrated with silicon-on-
insulator (SOI) nanowire waveguides to experimentally demonstrate an enhanced Kerr …