We introduce a plasmonic-semiconductor hybrid nanosystem, consisting of a ZnO nanowire
coupled to a gold pentamer oligomer by crossing the hot-spot. It is demonstrated that the …

The ability to convert low-energy quanta into a quantum of higher energy is of great interest
for a variety of applications, including bioimaging, drug delivery and photovoltaics. Although …

Efficient nonlinear frequency conversion, such as second-harmonic generation in
ultracompact structures, is essential for the development of modern nanophotonic devices …

Developing highly efficient nanoscale coherent light sources is essential for advances in
technological applications such as integrated photonic circuits, bioimaging, and sensing. An …

The recent discovery of strong nonlinear emission in metallic nanostructures has offered
possibilities for realization of functional nano photonic devices. Here, we demonstrate a …

We demonstrate the efficient generation of second harmonic light in zinc oxide (ZnO) by
utilizing double resonant plasmonic nanoantenna arrays. The antenna design is based on …

Semiconductor nanostructures (eg, nanowires and nanobelts) hold great promise as
subwavelength coherent light sources, nonlinear optical frequency converters, and all …

Efficient frequency up-conversion of coherent light at the nanoscale is highly demanded for
a variety of modern photonic applications, but it remains challenging in nanophotonics …

Second harmonic generation and sum frequency generation (SHG and SFG) provide
effective means to realize coherent light at desired frequencies when lasing is not easily …

A new concept for second-harmonic generation (SHG) in an optical nanocircuit is proposed.
We demonstrate both theoretically and experimentally that the symmetry of an optical mode …