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 …

Over the past decade, optical frequency combs generated by high-Q microresonators, or
optical microcombs, which feature compact device footprints, low power consumption, and …

Narrow-linewidth lasers and optical frequency combs generated with mode-locked lasers
have revolutionized optical frequency metrology. The advent of soliton Kerr frequency …

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 …

Microresonator frequency combs harness the nonlinear Kerr effect in an integrated optical
cavity to generate a multitude of phase-locked frequency lines. The line spacing can reach …

The overall goal of photonics research is to understand and control light in new and richer
ways to facilitate new and richer applications. Many major developments to this end have …

The experimental realization of a Kerr frequency comb represented the convergence of
research in materials, physics, and engineering. This symbiotic relationship continues to …

Spectral efficiency (SE) is one of the key metrics for optical communication networks. An
important building block for its maximization are optical superchannels, channels that are …

The demand for high-speed and highly efficient optical communication techniques has been
rapidly growing due to the ever-increasing volume of data traffic. As well as the digital …

This tutorial highlights challenges and opportunities in achieving efficient flexible optical
networks. Optical signal processing may potentially increase network flexibility because of …