100 years of Brillouin scattering: Historical and future perspectives

M Merklein, IV Kabakova, A Zarifi… - Applied Physics …, 2022 - pubs.aip.org
The Year 2022 marks 100 years since Leon Brillouin predicted and theoretically described
the interaction of optical waves with acoustic waves in a medium. Accordingly, this resonant …

Integrated microwave photonic notch filter using a heterogeneously integrated Brillouin and active-silicon photonic circuit

M Garrett, Y Liu, M Merklein, CT Bui, CK Lai… - Nature …, 2023 - nature.com
Microwave photonics (MWP) has unlocked a new paradigm for Radio Frequency (RF) signal
processing by harnessing the inherent broadband and tunable nature of photonic …

A review of gallium phosphide nanophotonics towards omnipotent nonlinear devices

Y Wang, Z Pan, Y Yan, Y Yang, W Zhao, N Ding… - …, 2024 - degruyter.com
Gallium phosphide (GaP) has been increasingly prioritized, fueled by the enormous
demands in visible light applications such as biomedical and quantum technologies. GaP …

A fully hybrid integrated Erbium-based laser

Y Liu, Z Qiu, X Ji, A Bancora, G Lihachev… - Nature …, 2024 - nature.com
Erbium-doped fibre lasers exhibit high coherence and low noise as required for fibre-optic
sensing, gyroscopes, LiDAR and optical frequency metrology. Endowing erbium-based gain …

Electrically interfaced Brillouin-active waveguide for microwave photonic measurements

Y Zhou, F Ruesink, M Pavlovich, R Behunin… - Nature …, 2024 - nature.com
New strategies for converting signals between optical and microwave domains could play a
pivotal role in advancing both classical and quantum technologies. Traditional approaches …

Stimulated Brillouin scattering by surface acoustic waves in lithium niobate waveguides

CC Rodrigues, RO Zurita, TPM Alegre… - JOSA B, 2023 - opg.optica.org
We numerically demonstrate that lithium niobate on insulator (LNOI) waveguides may
support confined short-wavelength surface acoustic waves that interact strongly with optical …

An optoacoustic field-programmable perceptron for recurrent neural networks

S Becker, D Englund, B Stiller - Nature Communications, 2024 - nature.com
Recurrent neural networks (RNNs) can process contextual information such as time series
signals and language. But their tracking of internal states is a limiting factor, motivating …

[HTML][HTML] On-chip stimulated brillouin scattering via surface acoustic waves

G Neijts, CK Lai, MK Riseng, DY Choi, K Yan… - APL Photonics, 2024 - pubs.aip.org
Surface acoustic wave devices are ubiquitously used for signal processing and filtering, as
well as mechanical, chemical, and biological sensing and show promise as quantum …

Hundredfold increase of stimulated Brillouin-scattering bandwidth in whispering-gallery mode resonators

G Lin, J Tian, T Sun, Q Song, YK Chembo - Photonics Research, 2023 - opg.optica.org
Backward stimulated Brillouin scattering (SBS) is widely exploited for various applications in
optics and optoelectronics. It typically features a narrow gain bandwidth of a few tens of …

Optimization on flag manifolds

K Ye, KSW Wong, LH Lim - Mathematical Programming, 2022 - Springer
A flag is a sequence of nested subspaces. Flags are ubiquitous in numerical analysis,
arising in finite elements, multigrid, spectral, and pseudospectral methods for numerical pde; …