Optical sensors are widely used for refractive index measurement in chemical, biomedical,
and food processing industries. Due to specific field distribution of the resonances, optical …

Active plasmonics is a burgeoning and challenging subfield of plasmonics. It exploits the
active control of surface plasmon resonance. In this review, a first-ever in-depth description …

Biosensors have been designed and developed for detecting biomarkers, biomolecules,
proteins, enzymes, organisms, and various types of bacterial and viral diseases since the …

Gold nanocubes (AuNCs) with tunable localized surface plasmon resonance properties are
good candidates for plasmonic gap nanostructures (PGNs) with hot spots (areas with …

Hybrid nanostructures composed of semiconductor and plasmonic metal components are
receiving extensive attention. They display extraordinary optical characteristics that are …

Plasmon resonances in metal nanostructures have been extensively harnessed for light
trapping in mesoporous solar cells (MSCs), including dye-sensitized solar cells (DSSCs) …

The vivid optical properties of noble metal nanoparticles have been an object of fascination
since ancient times. The ruby red of stained glass windows arises from gold nanoparticles …

Engineered optical metamaterials present a unique platform for biosensing applications
owing to their ability to confine light to nanoscale regions and to their spectral selectivity …

Plasmonic nanostructures are of particular interest as substrates for the spectroscopic
detection and identification of individual molecules. Single-molecule sensitivity Raman …

Electromagnetic metamaterials (MMs) and metasurfaces (MSs) are artificial media and
surfaces with subwavelength separations of meta-atoms designed for anomalous …