This review provides a comprehensive description of nonlinear optical (NLO) properties of
gold nanoparticles, which can be used in biological applications. The main focus is placed …

Gold nanostructures possess unique characteristics that enable their use as contrast agents,
as therapeutic entities, and as scaffolds to adhere functional molecules, therapeutic cargo …

Nanoantennas for visible and infrared radiation can strongly enhance the interaction of light
with nanoscale matter by their ability to efficiently link propagating and spatially localized …

Lanthanide‐doped nanophosphors are promising in anti‐counterfeiting and security printing
applications. These nanophosphors can be incorporated as transparent inks that fluoresce …

Since the first report on the far-field optical detection of single metal nanoparticles in the late
1990s, the field has rapidly developed and new methods and concepts have been …

Nanoscale photonic systems involve a broad variety of light–matter interaction regimes
beyond the diffraction limit and have opened the path for a variety of application …

The origin of light emission from plasmonic nanoparticles has been strongly debated lately.
It is present as the background of surface-enhanced Raman scattering and, despite the low …

Resonant optical antennas are ideal for nanoscale nonlinear optical interactions due to their
inherent strong local field enhancement. Indeed second-and third-order nonlinear response …

Disordered noble-metal nanoparticle films exhibit highly localized and stable nonlinear light
emission from subdiffraction regions upon illumination by near-infrared femtosecond pulses …

Promising applications in photonics are driven by the ability to fabricate crystal-quality metal
thin films of controlled thickness down to a few nanometers. In particular, these materials …