Plasmons, the electromagnetic excitations coupled with electron waves, possess the
intrinsic ability of manipulating light at subwavelength scales down to picometer. This ability …

The magnetic response of most natural materials, characterized by magnetic permeability, is
generally weak. Particularly, in the optical range, the weakness of magnetic effects is directly …

Lanthanide-doped upconversion nanocrystals (UCNCs) have recently become an attractive
nonlinear fluorescence material for use in bioimaging because of their tunable spectral …

Polarizers play a key role in generating polarized light for display, imaging, and data
communication, but adoption often suffers from high optical loss. Recently, due to superior …

The pursuit of high‐resolution and advanced anti‐forgery technology has stimulated a
growing demand for anti‐counterfeiting and encryption strategies with real‐time response …

Plasmonic metasurfaces have recently attracted much attention because of their novel
characteristics with respect to light polarization and wave front control on deep …

Magnetic resonances not only play crucial roles in artificial magnetic materials but also offer
a promising way for light control and interaction with matter. Recently, magnetic resonance …

Functionalization of quantum dots to induce circular dichroism as well as the direct emission
of circularly polarized light is the subject of intensive studies for the obvious importance not …

Optical antennas made of metallic nanostructures dramatically enhance single-molecule
fluorescence to boost the detection sensitivity. Moreover, emission properties detected at the …

Circularly polarized emission (CPE) has attracted great interest in optoelectronics,
biosensing, etc. Here, a resonant planar chiral dielectric metasurface that can be …