All forms of energy follow the law of conservation of energy, by which they can be neither
created nor destroyed. Light-to-heat conversion as a traditional yet constantly evolving …

Optically variable devices (OVDs) are in tremendous demand as optical indicators against
the increasing threat of counterfeiting. Conventional OVDs are exposed to the danger of …

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

The achievement of structural color has shown advantages in large-gamut, high-saturation,
high-brightness, and high-resolution. While a large number of plasmonic/dielectric …

Structural colors are colors generated by the interaction between incident light and
nanostructures. Structural colors have been studied for decades due to their promising …

Various kinds of optical devices have been designed for unique functionality based on a
deeper understanding of optical principles. Recently, the research of functional optics has …

Structural colors are promising candidates for their antifading and eco-friendly
characteristics. However, high cost and complicated processing inevitably hinder their …

Structural colors traditionally refer to colors arising from the interaction of light with structures
with periodicities on the order of the wavelength. Recently, the definition has been …

Metasurfaces, composed of specifically designed subwavelength units in a two-dimensional
plane, offer a new paradigm to design ultracompact optical elements that show great …

Engineering nanostructures with exceptionally high-Q resonances mediated by the Fano-
type hybridization between discrete states associated with the periodicity of the structure and …