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 …

Responsive optical nanomaterials that can sense and translate various external stimuli into
optical signals, in the forms of observable changes in appearance and variations in spectral …

Abstract Four-dimensional (4D) printing of shape memory polymer (SMP) imparts time
responsive properties to 3D structures. Here, we explore 4D printing of a SMP in the …

Light strongly interacts with structures that are of a similar scale to its wavelength, typically
nanoscale features for light in the visible spectrum. However, the optical response of these …

Plasmonic color filtering and color printing have attracted considerable attention in recent
years due to their supreme performance in display and imaging technologies. Although …

The rapid developments in nanotechnology and plasmonics allow the manipulation of light
at nanometer scales, such as light propagation and resonances. Differing from the …

Fast and full switching of plasmonic resonances would provide a building block for
integrated electro‐optically active plasmonics. To date, limited by the material properties …

Liquid crystals are a promising candidate for development of active plasmonics due to their
large birefringence, low driving threshold, and versatile driving methods. We review recent …

Nano-apertures are known as interesting structures for biomedical sensing, spectroscopy,
optical imaging, and electrical field manipulating. Recently, different shapes of these …

Extreme confinement of electromagnetic waves and mechanical displacement fields to
nanometer dimensions through plasmonic nanostructures offers unprecedented …