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 …

Nonlinear optics (NLO) of transition metal dichalcogenides (TMDs) is promising for the on‐
chip photonic and optoelectronic applications. In this review, we will survey the current …

We present an all-dielectric germanium nanosystem exhibiting a strong third order nonlinear
response and efficient third harmonic generation in the optical regime. A thin germanium …

Nanoplasmonics has recently revolutionized our ability to control light on the nanoscale.
Using metallic nanostructures with tailored shapes, it is possible to efficiently focus light into …

As the most common nonlinear optical process, second harmonic generation (SHG) has
important application value in the field of nanophotonics. With the rapid development of …

High-index dielectric nanostructures can support optical resonances of electric and
magnetic character with ultralow linear absorption. In contrast to plasmonics, they can be …

The quest for nanoscale light sources with designer radiation patterns and polarization has
motivated the development of nanoantennas that interact strongly with the incoming light …

We present all-dielectric gallium phosphide (GaP) nanoantennas as an efficient
nanophotonic platform for surface-enhanced second harmonic generation (SHG) and …

A key concept underlying the specific functionalities of metasurfaces is the use of constituent
components to shape the wavefront of the light on demand. Metasurfaces are versatile …

Metasurfaces have provided a promising approach to enhance the nonlinearity at
subwavelength scale, but usually suffer from a narrow bandwidth as imposed by sharp …