Optical microcombs represent a new paradigm for generating laser frequency combs based
on compact chip-scale devices, which have underpinned many modern technological …

Recent developments in resonator-based Kerr frequency combs promise excellent
applications in a wide range of fields such as biosensing, spectroscopy, optical …

Nonlinear wave mixing in optical microresonators offers new perspectives to generate
compact optical-frequency microcombs, which enable an ever-growing number of …

Dispersion engineering of microring resonators is crucial for optical frequency comb
applications, to achieve targeted bandwidths and powers of individual comb teeth. However …

Soliton microcombs are helping to advance the miniaturization of a range of comb systems.
These combs mode lock through the formation of short temporal pulses in anomalous …

In this paper, we demonstrate efficient spontaneous quasi-phase matched (SQPM) second
harmonic generation (SHG) in a micro-racetrack resonator on X-cut thin film lithium niobate …

Kerr frequency combs have been attracting significant interest due to their rich physics and
broad applications in metrology, microwave photonics, and telecommunications. In this …

Soliton microcombs generated by the third-order nonlinearity of microresonators exhibit high
coherence, low noise, and stable spectra envelopes, which can be designed for many …

Modulation instability (MI) in the presence of noise typically leads to an irreversible and
complete disintegration of a plane wave background. Here we report on experiments …

This article explores the dynamic model of pure-quartic solitons (PQSs) in mode-locked fiber
lasers. Firstly, the formation and dynamic behavior of the PQS attracted state in fiber lasers …