Inspired by the idea of combining conventional optical tweezers with plasmonic
nanostructures, a technique named plasmonic optical tweezers (POT) has been widely …

The capabilities of manipulating and analyzing biological cells, bacteria, viruses,
deoxyribonucleic acids (DNAs), and proteins at high resolution are significant in …

Plasmonic tweezers are an emerging research topic because of their breakthrough in the
conventional diffraction limit and precise manipulation at the nanoscale. Notably, their …

We propose a novel approach to generating optical pulling forces on a gold nanowire, which
are placed inside or above a hyperbolic metamaterial and subjected to plane wave …

Optical tweezers are versatile tools capable of sorting microparticles, yet formidable
challenges are present in the separation of nanoparticles smaller than 200 nm. The …

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 …

In this work, we present a plasmonic platform capable of trapping nano-objects in two
different spatial configurations. The switch between the two trapping states, localized on the …

Noninvasive and noncontact approaches of trapping nanoscale biospecimens have gained
extensive interest due to their biological and nanotechnological applications. Here, we have …

Localized surface plasmon resonance (LSPR) with a sharp field gradient and extremely
strong field intensity is very attractive for near-field optical nano-tweezers manipulating tiny …

Transverse radiation forces acting on the silicon nanoparticles illuminated by a tightly
focused laser beam are investigated by using the Maxwell stress-tensor method combined …