The present status and development of strong-field nano-optics, an emerging field of
nonlinear optics, is discussed. A nonperturbative regime of light-matter interactions is …

An analytical technique operating at the nanoscale must be flexible regarding variable
experimental conditions while ideally also being highly specific, extremely sensitive, and …

The detection of a few molecules in a highly diluted solution is of paramount interest in fields
including biomedicine, safety and eco-pollution in relation to rare and dangerous chemicals …

This perspective gives an overview of recent developments in surface-enhanced Raman
scattering (SERS) for biosensing. We focus this review on SERS papers published in the last …

Metallic nanostructures now play an important role in many applications. In particular, for the
emerging fields of plasmonics and nanophotonics, the ability to engineer metals on …

Nanofocusing of electromagnetic radiation, that is, reducing the cross sections of
propagating optical modes far beyond the diffraction limit in dielectric media, can be …

Electromagnetic metamaterials (MMs) and metasurfaces (MSs) are artificial media and
surfaces with subwavelength separations of meta-atoms designed for anomalous …

The efficiency of plasmonic nanostructures as optical antennas to concentrate optical fields
to the nanoscale has been limited by intrinsically short dephasing times and small …

Tip-enhanced Raman scattering (TERS) is one of the few methods to access the molecular
composition and structure of surfaces with extreme lateral and depth resolution, down to the …

The development of techniques for efficiently confining photons on the deep sub-wavelength
spatial scale will revolutionize scientific research and engineering practices. The efficient …