[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 …

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 …

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 …

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 …

Enhanced four‐wave mixing in silicon nitride waveguides integrated with 2d layered graphene oxide films

Y Qu, J Wu, Y Yang, Y Zhang, Y Liang… - Advanced Optical …, 2020 - Wiley Online Library
Layered 2D graphene oxide (GO) films are integrated with silicon nitride (SiN) waveguides
to experimentally demonstrate an enhanced Kerr nonlinearity via four‐wave mixing (FWM) …

2D layered graphene oxide films integrated with micro‐ring resonators for enhanced nonlinear optics

J Wu, Y Yang, Y Qu, L Jia, Y Zhang, X Xu, ST Chu… - Small, 2020 - Wiley Online Library
Layered 2D graphene oxide (GO) films are integrated with micro‐ring resonators (MRRs) to
experimentally demonstrate enhanced nonlinear optics. Both uniformly coated (1− 5 layers) …

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 …

[HTML][HTML] Reconfigurable broadband microwave photonic intensity differentiator based on an integrated optical frequency comb source

X Xu, J Wu, M Shoeiby, TG Nguyen, ST Chu, BE Little… - Apl Photonics, 2017 - pubs.aip.org
We propose and experimentally demonstrate a microwave photonic intensity differentiator
based on a Kerr optical comb generated by a compact integrated micro-ring resonator …

Continuously tunable orthogonally polarized RF optical single sideband generator based on micro-ring resonators

X Xu, J Wu, L Jia, M Tan, TG Nguyen, ST Chu… - Journal of …, 2018 - iopscience.iop.org
We demonstrate a continuously RF tunable orthogonally polarized optical single sideband
(OP-OSSB) generator based on dual cascaded micro-ring resonators (MRRs). By splitting …

Invited Article: Enhanced four-wave mixing in waveguides integrated with graphene oxide

Y Yang, J Wu, X Xu, Y Liang, ST Chu, BE Little… - APL Photonics, 2018 - pubs.aip.org
We demonstrate enhanced four-wave mixing (FWM) in doped silica waveguides integrated
with graphene oxide (GO) layers. Owing to strong mode overlap between the integrated …