BACKGROUND Optical vortices provide one of the promising solutions for enhancing the
capacity of data multiplexing to meet an unprecedented growth in big data and internet traffic …

Quantitative determination and in situ monitoring of molecular chirality at extremely low
concentrations is still challenging with simple optics because of the molecular-scale …

Resonant phenomena have been extensively used in micro-and nanophotonics.
Mathematically, these phenomena originate in a discrete set of basis functions known as …

Photonic crystal slabs (PCSs) are a well-studied class of devices known to support optical
Fano resonances for light normally incident to the slab, useful for narrow-band filters …

The momentum of light beams can possess azimuthal densities, circulating around the
beam axis and inducing intriguing mechanical effects in local light-matter interaction …

Chirality is pivotal in nature which attracts wide research interests from all disciplines and
creating chiral matter is one of the central themes for chemists and material scientists …

Fano resonances are conventionally understood as sharp spectral features with selectivity in
the momentum-frequency domain, implying that they can be excited only by plane waves …

Chirality refers to a geometric phenomenon in which objects are not superimposable on
their mirror image. Structures made of nanoscale chiral elements can exhibit chiroptical …

The capability to distinguish the handedness of circularly polarized light is a well-known
intrinsic property of a chiral nanostructure. It is a long-standing controversial debate …

A colloidal suspension of photonic nanostructures exhibiting optical magnetism is dubbed
an optical metafluid. A promising constituent of a metafluid is a nanosphere of high-refractive …