Group III–V semiconductors are based on the elements of groups III and V of the periodic
table. The possibility to grow thin-films made of binary, ternary, and quaternary III–V alloys …

Practical applications implementing integrated photonic circuits can benefit from nonlinear
optical functionalities such as wavelength conversion, all-optical signal processing, and …

Integrated thin-film lithium niobate platform has recently emerged as a promising candidate
for next-generation, high-efficiency wavelength conversion systems that allow dense …

Highly tunable coherent light generation is crucial for many important photonic applications.
Second-harmonic generation (SHG) is a dominant approach for this purpose, which …

In its 60 years of existence, the field of nonlinear optics has gained momentum especially
over the past two decades thanks to major breakthroughs in material science and …

Researchers have recently revealed that hybrid lead halide perovskites exhibit
ferroelectricity, which is often associated with other physical characteristics, such as a large …

Nanoscale waveguides are basic building blocks of integrated optical devices. Especially,
waveguides made from nonlinear optical materials, such as lithium niobate, allow access to …

We designed, fabricated and tested gallium phosphide (GaP) nano-waveguides for second
harmonic generation (SHG). We demonstrate SHG in the visible range around 655 nm using …

Silicon is well known for its strong third-order optical nonlinearity, exhibiting efficient
supercontinuum and four-wave mixing processes. A strong second-order effect that is …

We report on modal dispersion engineering for second-harmonic generation (SHG) from
single vertical GaP nanopillars/nanowaveguides, fabricated by a top-down approach, using …