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

Frequency microcombs, alternative to mode-locked laser and fiber combs, enable miniature
rulers of light for applications including precision metrology, molecular fingerprinting and …

Soliton microcombs are a promising new approach for photonic-based microwave signal
synthesis. To date, however, the tuning rate has been limited in microcombs. Here, we …

Dissipative Kerr solitons from optical microresonators, commonly referred to as soliton
microcombs, have been developed for a broad range of applications, including precision …

Soliton microcombs, which require the hosting cavity to operate in an anomalous dispersion
regime, are essential to integrate photonic systems. In the past, soliton microcombs were …

Stimulated Raman scattering is an attractive way to extend the operation spectral range of
optical sources. However, the spectral extension range of a tunable Raman laser is limited …

Kerr optical frequency comb as a novel microcomb source has found a variety of key
applications from fundamental research to engineering applications. Generation of such …