Nanophotonic devices, which control light in subwavelength volumes and enhance light–
matter interactions, have opened up exciting prospects for biosensing. Numerous …

Surface-enhanced Raman scattering (SERS) and tip-enhanced Raman scattering (TERS)
have opened a variety of exciting research fields. However, although a vast number of …

The discovery of the enhancement of Raman scattering by molecules adsorbed on
nanostructured metal surfaces is a landmark in the history of spectroscopic and analytical …

BACKGROUND Nanoscale optics is usually associated with plasmonic structures made of
metals such as gold or silver. However, plasmonics suffers from high losses of metals …

In the last two decades, plasmon resonance in gold nanoparticles (Au NPs) has been the
subject of intense research efforts. Plasmon physics is intriguing and its precise modelling …

Rapid progress in photonics and nanotechnology brings many examples of resonant optical
phenomena associated with the physics of Fano resonances, with applications in optical …

The ideal material for nanophotonic applications will have a large refractive index at optical
frequencies, respond to both the electric and magnetic fields of light, support large optical …

Surface-enhanced Raman spectroscopy (SERS) and related spectroscopies are powered
primarily by the concentration of the electromagnetic (EM) fields associated with light in or …

Phase-change materials (PCMs) provide a unique combination of properties. On
transformation from the amorphous to crystalline state, their optical properties change …

Since 2000, there has been an explosion of activity in the field of plasmon-enhanced Raman
spectroscopy (PERS), including surface-enhanced Raman spectroscopy (SERS), tip …