Optical manipulations utilizing the mechanical effect of light have been indispensable in
various disciplines. Among those various manipulations, optical pulling has emerged …

We have used a gold nanohole array to trap single polystyrene nanoparticles, with a mean
diameter of 30 nm, into separated hot spots located at connecting nanoslot regions. A high …

Dielectric metasurfaces based on quasi-bound states in the continuum (quasi-BICs) are a
promising approach for manipulating light-matter interactions. In this study, we numerically …

The continuous developments in physical chemistry, improved methodology, and advanced
techniques have spurred interest in chemical reaction at the microscopic scale …

Trap** nanoscale particles in a stable and non-destructive way is of great importance to
life sciences. Near-field optical tweezers are a common way to trap nanoparticles. Here we …

Superposition of two circular Airy vortex beams (CAVB), with opposite sign topological
charges (l), produces a new type of petal beam called petal-like circular Airy beam (PCAB) …

Plasmonic nanotweezer manipulates nanoparticles utilizing extraordinary electric field
gradients and field enhancement originated from localized surface plasmon resonance. We …

Multi-functional optical manipulations, including optical trap** and transporting of
subwavelength particles, are proposed using the Bloch modes in a dielectric photonic …

Based on the vector Debye theory, the tight focusing properties of a high-order polarized
anomalous vortex (HPAV) beam are studied. The corresponding mathematical expressions …

We theoretically investigated the stable plasmonic trap** of sub-50nm targets using
integrated gold-graphene V-trench with extremely deep trap** potential well. A hybrid …