Optical metasurfaces for generating and manipulating optical vortex beams

H Ahmed, H Kim, Y Zhang, Y Intaravanne, J Jang… - …, 2022 - degruyter.com
Optical vortices (OVs) carrying orbital angular momentum (OAM) have attracted
considerable interest in the field of optics and photonics owing to their peculiar optical …

Optical manipulation from the microscale to the nanoscale: fundamentals, advances and prospects

D Gao, W Ding, M Nieto-Vesperinas, X Ding… - Light: Science & …, 2017 - nature.com
Since the invention of optical tweezers, optical manipulation has advanced significantly in
scientific areas such as atomic physics, optics and biological science. Especially in the past …

Optical manipulation with metamaterial structures

Y Shi, Q Song, I Toftul, T Zhu, Y Yu, W Zhu… - Applied Physics …, 2022 - pubs.aip.org
Optical manipulation with metamaterial structures | Applied Physics Reviews | AIP Publishing
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Generating optical vortex beams by momentum-space polarization vortices centred at bound states in the continuum

B Wang, W Liu, M Zhao, J Wang, Y Zhang, A Chen… - Nature …, 2020 - nature.com
Optical vortices, beams with spiral wavefronts and screw phase dislocations, have been
attracting increasing interest in various fields. Here, we theoretically propose and …

Vector vortex beam generation with a single plasmonic metasurface

F Yue, D Wen, J **n, BD Gerardot, J Li, X Chen - ACS photonics, 2016 - ACS Publications
Despite a plethora of applications ranging from quantum memories to high-resolution
lithography, the current technologies to generate vector vortex beams (VVBs) suffer from …

Generation of polarization and phase singular beams in fibers and fiber lasers

D Mao, Y Zheng, C Zeng, H Lu, C Wang… - Advanced …, 2021 - spiedigitallibrary.org
Cylindrical vector beams and vortex beams, two types of typical singular optical beams
characterized by axially symmetric polarization and helical phase front, possess the unique …

Using optical vortex to control the chirality of twisted metal nanostructures

K Toyoda, K Miyamoto, N Aoki, R Morita, T Omatsu - Nano letters, 2012 - ACS Publications
We discovered for the first time that light can twist metal to control the chirality of metal
nanostructures (hereafter, chiral metal nanoneedles). The helicity of optical vortices is …

Generation of arbitrary vector vortex beams on hybrid-order Poincaré sphere

Z Liu, Y Liu, Y Ke, Y Liu, W Shu, H Luo, S Wen - Photonics Research, 2016 - opg.optica.org
We propose theoretically and verify experimentally a method of combining a q-plate and a
spiral phase plate to generate arbitrary vector vortex beams on a hybrid-order Poincaré …

Non-Hermitian non-equipartition theory for trapped particles

X Li, Y Cao, J Ng - Nature Communications, 2024 - nature.com
The equipartition theorem is an elegant cornerstone theory of thermal and statistical physics.
However, it fails to address some contemporary problems, such as those associated with …

[HTML][HTML] Bessel terahertz pulses from superluminal laser plasma filaments

Z Zhang, J Zhang, Y Chen, T **a, L Wang, B Han… - Ultrafast …, 2022 - spj.science.org
Terahertz radiation with a Bessel beam profile is demonstrated experimentally from a two-
color laser filament in air, which is induced by tailored femtosecond laser pulses with an …