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 …

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 …

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 …

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 …

Photonic integrated Raman lasers have extended the wavelength range of chip‐scale laser
sources and have enabled applications including molecular spectroscopy, environmental …

High-quality photonic materials are critical for promoting integrated photonic devices with
broad bandwidths, high efficiencies, and flexibilities for high-volume chip-scale fabrication …

Optical frequency comb, with precisely controlled spectral lines spanning a broad range, has
been the key enabling technology for many scientific breakthroughs. In addition to the …

In recent years, photonics has proven itself as an excellent platform for emulation of
relativistic phenomena. Here, we show an example of relativistic-like trapping in photonic …

Anomalous microresonator dispersion is mandatory for Kerr soliton microcomb formation,
which depends critically on the geometry of the microresonator and can hardly be tuned …