Optical frequency combs offer an unrivalled degree of frequency measurement precision
that underpins the advance of modern technology in both fundamental science and …

Lithium niobate (LN), an outstanding and versatile material, has influenced our daily life for
decades—from enabling high-speed optical communications that form the backbone of the …

Recent developments in chip-based nonlinear photonics offer the tantalizing prospect of
realizing many applications that can use optical frequency comb devices that have form …

There has been a resurgence of interest in optical computing since the early 2010s, both in
academia and in industry, with much of the excitement centred around special-purpose …

The use of silicon nitride in integrated photonics has rapidly progressed in recent decades.
Ultra-low-loss waveguides based on silicon nitride are a favorable platform for the research …

Thermodynamic noise places a fundamental limit on the frequency stability of dielectric
optical resonators. Here, we present the characterization of thermorefractive noise in …

On-chip optical waveguides with low propagation losses and precisely engineered group
velocity dispersion are important to nonlinear photonic devices such as soliton microcombs …

Directly accessing the middle infrared, the molecular functional group spectral region, via
supercontinuum generation processes based on turn-key fiber lasers offers the undeniable …

Current fibre optic communication systems owe their high-capacity abilities to the
wavelength-division multiplexing (WDM) technique, which combines data channels running …

We demonstrate coherent supercontinuum generation (SCG) in a monolithically integrated
lithium-niobate waveguide, under the presence of second-and third-order nonlinear effects …