Ultrathin dielectric gaps between metals can trap plasmonic optical modes with surprisingly
low loss and with volumes below 1 nm3. We review the origin and subtle properties of these …

Metasurfaces, a two-dimensional (2D) form of metamaterials constituted by planar meta-
atoms, exhibit exotic abilities to tailor electromagnetic (EM) waves freely. Over the past …

This work reviews fundamentals and the recent state-of-art achievements in the field of
plasmonic biosensing based terahertz (THz) spectroscopy. Being nonpoisonous and …

Optical metasurfaces are two-dimensional optical elements composed of dense arrays of
subwavelength optical antennas and afford on-demand manipulation of the basic properties …

Metasurfaces, planer artificial materials composed of subwavelength unit cells, have shown
superior abilities to manipulate the wavefronts of electromagnetic waves. In the last few …

Plasmonic phenomena in metals are commonly explored within the framework of classical
electrodynamics and semiclassical models for the interactions of light with free-electron …

Phase-change materials (PCMs) and compounds enable a combination of features for
implementing advanced and multifunctional nanophotonic applications. Possessing …

Optical metasurfaces are nanoengineered architectures aiming at the functional control of
light propagation. In recent years, the performance of metasurfaces has been significantly …

Optical metasurfaces are judicously engineered electromagnetic interfaces that can control
and manipulate many of light's quintessential properties, such as amplitude, phase, and …

The infrared quantum plasmon resonance (IR QPR) of nanocrystals (NCs) exhibits the
combined properties of classical and quantum mechanics, potentially overcoming the …