Nanostructured surfaces with designed optical functionalities, such as metasurfaces, allow
efficient harvesting of light at the nanoscale, enhancing light–matter interactions for a wide …

Throughout human history, the control of light, electricity and heat has evolved to become
the cornerstone of various innovations and developments in electrical and electromagnetic …

Plasmon resonances play a pivotal role in enhancing light-matter interactions in
nanophotonics, but their low-quality factors have hindered applications demanding high …

Plasmonic effects have been proposed as a solution to overcome the limited light absorption
in thin-film photovoltaic devices, and various types of plasmonic solar cells have been …

High-performance photovoltaic cells use semiconductors to convert sunlight into clean
electrical power, and transparent dielectrics or conductive oxides as antireflection coatings …

Nanostructured photonic materials enable control and manipulation of light at
subwavelength scales and exhibit unique optical functionalities. In particular, plasmonic …

Resonant plasmonic and metamaterial structures allow for control of fundamental optical
processes such as absorption, emission and refraction at the nanoscale. Considerable …

The emerging field of plasmonics has yielded methods for guiding and localizing light at the
nanoscale, well below the scale of the wavelength of light in free space. Now plasmonics …

The unprecedented ability of nanometallic (that is, plasmonic) structures to concentrate light
into deep-subwavelength volumes has propelled their use in a vast array of nanophotonics …

In this perspective we discuss the roles of hot spots in surface-enhanced Raman
spectroscopy (SERS). After giving background and defining the hot spot, we evaluate a …