Light–matter interaction empowered by orbital angular momentum: Control of matter at the micro-and nanoscale

A Porfirev, S Khonina, A Kuchmizhak - Progress in Quantum Electronics, 2023 - Elsevier
Orbital angular momentum (OAM) of light is an important feature of structured
electromagnetic fields exhibiting non-uniform spatial distribution. In contrast to a spin …

Optical trapping in micro-and nanoconfinement systems: Role of thermo-fluid dynamics and applications

T Tsuji, K Doi, S Kawano - Journal of Photochemistry and Photobiology C …, 2022 - Elsevier
In this mini-review, recent advances on the role of a focused laser in micro-and nanofluidic
systems is widely introduced with special interest in thermo-fluid dynamical aspects and …

Emergence of Directional Rotation in an Optothermally Activated Colloidal System

R Chand, CE Rani, D Paul, GVP Kumar - ACS Photonics, 2023 - ACS Publications
We experimentally demonstrate the emergence of directional rotation in thermally active-
passive colloidal structures under optical confinement. The observed handedness of the …

[HTML][HTML] Solitary cluster waves in periodic potentials: Formation, propagation, and soliton-mediated particle transport

AP Antonov, A Ryabov, P Maass - Chaos, Solitons & Fractals, 2024 - Elsevier
Transport processes in crowded periodic structures are often mediated by cooperative
movements of particles forming clusters. Recent theoretical and experimental studies of …

Visualization of optical vortex forces acting on au nanoparticles transported in nanofluidic channels

K Nakajima, T Tsujimura, K Doi, S Kawano - ACS omega, 2022 - ACS Publications
The optical manipulation of nanoscale objects via structured light has attracted significant
attention for its various applications, as well as for its fundamental physics. In such cases …

Reconfigurable label-free shape-sieving of submicron particles in paired chalcogenide waveguides

T Cao, Z Wang, L Mao - Nanoscale, 2022 - pubs.rsc.org
Up-to-date particle sieving schemes face formidable challenges for sieving label-free
submicron molecules with similar sizes and dielectric constants but diverse shapes. Herein …

Electrical sensing of Au nanoparticles manipulated by an optical vortex

R Nakatsuka, S Yanai, K Nakajima, K Doi… - The Journal of …, 2021 - ACS Publications
Recently, electrical sensing techniques of single small objects, such as nanoparticles,
viruses, and biomolecules, have attracted much attention. However, fine-tuning of a sensing …

Micro-to-nano bimodal single-particle sensing using optical tweezers

K Doi, K Yamamoto, H Yamazaki… - The Journal of Physical …, 2022 - ACS Publications
Recently, electrical sensing techniques for single objects, such as nanoparticles,
biomolecules, and viruses, have attracted a great deal of attention. To achieve both high …

When Plasmonic Colloids Meet Optical Vortices--A Brief Review

GV Kumar - arXiv preprint arXiv:2211.03547, 2022 - arxiv.org
Structured light has emerged as an important tool to interrogate and manipulate matter at
micron and sub-micron scale. One form of structured light is an optical vortex beam. The …

Dual coaxial electric field components in tightly focused circularly polarized Pearcey beams

Y Sun, Y Luo, P Peng, Y Liu, D Deng - Optics Communications, 2024 - Elsevier
The optical vortex, with its capacity to carry orbital angular momentum per photon, has
garnered significant attention among researchers. Our study showcases the emergence of …