The growing maturity of nanofabrication has ushered massive sophisticated optical
structures available on a photonic chip. The integration of subwavelength-structured …

Driven by applications in chemical sensing, biological imaging and material
characterisation, Raman spectroscopies are attracting growing interest from a variety of …

The field of plasmonics is capable of enabling interesting applications in different
wavelength ranges, spanning from the ultraviolet up to the infrared. The choice of plasmonic …

In undergraduate courses on classical electromagnetism, it is taught that a perfect conductor
expels the electromagnetic (EM) field, and hence its surface is not able to support the …

This work reviews fundamentals and the recent state-of-art achievements in the field of
plasmonic biosensing based terahertz (THz) spectroscopy. Being nonpoisonous and …

Recent advances in the research of vortex beams, structured beams carrying orbital angular
momentum (OAM), have revolutionized the applications of light beams, such as advanced …

Electromagnetic absorbers have drawn increasing attention in many areas. A series of
plasmonic and metamaterial structures can work as efficient narrowband absorbers due to …

Nanoscale quantum emitters are key elements in quantum optics and sensing. However,
efficient optical excitation and detection of such emitters involves large solid angles because …

Surface plasmon polaritons (SPPs) are electromagnetic excitations existing at the interface
between a metal and a dielectric material. Remarkable progress has been made in the field …

Surface plasmons are waves that propagate along the surface of a conductor. By altering the
structure of a metal's surface, the properties of surface plasmons—in particular their …