Nanoscopic chiroptics studies the spin-dependent asymmetric light–matter interactions at
the nanoscale, where the asymmetry can stem from the intrinsic properties of materials …

Compared with conventional optical elements, 2D photonic metasurfaces, consisting of
arrays of antennas with subwavelength thickness (the 'meta-atoms'), enable the …

Photons with spin angular momentum possess intrinsic chirality, which underpins many
phenomena including nonlinear optics, quantum optics, topological photonics and …

Optical metasurfaces with high quality factors (Q-factors) of chiral resonances can boost
substantially light-matter interaction for various applications of chiral response in ultrathin …

Colloidal assembly into chiral superstructures is usually accomplished with templating or
lithographic patterning methods that are only applicable to materials with specific …

We review the basic physics and applications of a special class of planar metamaterials,
often called metasurfaces, which are composed of optically thin and densely packed planar …

The strong optical chirality arising from certain synthetic metamaterials has important and
widespread applications in polarization optics, stereochemistry and spintronics. However …

Tunable metamaterial devices have experienced explosive growth in the past decades,
driving the traditional electromagnetic (EM) devices to evolve into diversified functionalities …

Recent advancements in photonic bound states in the continuum (BICs) have opened up
exciting new possibilities for the design of optoelectronic devices with improved …

We investigated propagation of light through a uniaxial photonic metamaterial composed of
three-dimensional gold helices arranged on a two-dimensional square lattice. These …