Integrated photonic devices operating via optical nonlinearities offer a powerful solution for
all‐optical information processing, yielding processing speeds that are well beyond that of …

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 …

Enhanced supercontinuum generation (SCG) is experimentally demonstrated in integrated
silicon nitride (Si3N4) waveguides incorporating highly nonlinear graphene oxide (GO) in …

A laser frequency comb is a broad spectrum composed of equidistant narrow lines. Initially
invented for frequency metrology, such combs enable new approaches to spectroscopy over …

The emergence of silicon photonics over the past two decades has established silicon as a
preferred substrate platform for photonic integration. While most silicon-based photonic …

Quasi-phase-matched interactions in waveguides with quadratic nonlinearities enable
highly efficient nonlinear frequency conversion. In this paper, we demonstrate the first …

We review the most recent progress in ultralow-noise mode-locked fiber lasers and fiber-
based frequency-comb sources. With the rapid progress in theory, measurement, and …

The Internet today transmits hundreds of terabits per second, consumes 9% of all electricity
worldwide and grows by 20–30% per year,. To support capacity demand, massively parallel …

Mid-infrared optical frequency combs are of significant interest for molecular spectroscopy
due to the large absorption of molecular vibrational modes on the one hand, and the ability …

Optical frequency combs are a revolutionary light source for high-precision spectroscopy
because of their narrow linewidths and precise frequency spacing. Generation of such …