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 …

Stimuli‐responsive colors are a unique characteristic of certain animals, evolved as either a
method to hide from enemies and prey or to communicate their presence to rivals or mates …

Wavelength-scale lasers provide promising applications through low power consumption
requiring for optical cavities with increased quality factors. Cavity radiative losses can be …

Structural colors widespread in nature have been theoretically in‐depth studied and
manufactured through the artificial approaches such as self‐assembly and nanolithography …

Flexible photonics is rapidly emerging as a promising platform for artificial smart skins to
imitate or extend the capabilities of human skins. Organic material systems provide a …

This review focuses on structural engineering of lasers from the macroscale to the
nanoscale, with an emphasis on plasmon nanolasers. Conventional lasers based on Fabry …

Metallic nanostructures exhibit strong interactions with electromagnetic radiation, known as
the localized surface plasmon resonance. In recent years, there is significant interest and …

Conspectus Rationally assembled nanostructures exhibit distinct physical and chemical
properties beyond their individual units. Developments in nanofabrication techniques have …

Conventional electronic and photonic devices are inherently 2D and rigid because of the
substrates on which they are fabricated. However, the world is not flat and stiff: There are …

Mechanochromic effects in structurally colored materials are the result of deformation‐
induced changes to their ordered nanostructures. Polymeric materials which respond in this …