The stabilization and manipulation of laser frequency by means of an external cavity are
nearly ubiquitously used in fundamental research and laser applications. While most of the …

In this review we present some of the recent advances in the field of silicon nitride photonic
integrated circuits. The review focuses on the material deposition techniques currently …

Soliton microcombs constitute chip-scale optical frequency combs, and have the potential to
impact a myriad of applications from frequency synthesis and telecommunications to …

Background: Open Access Editor's Choice Review Hybrid Integrated Semiconductor Lasers
with Silicon Nitride Feedback Circuits by Klaus-J. Boller 1, 2,*, Albert van Rees 1, Youwen …

Self-injection locking is a dynamic phenomenon representing stabilization of the emission
frequency of an oscillator with a passive cavity enabling frequency-filtered coherent …

Microwave photonic receivers are a promising candidate in breaking the bandwidth
limitation of traditional radio-frequency (RF) receivers. To further balance the performance …

Self-injection locking has emerged as a crucial technique for coherent optical sources,
spanning from narrow linewidth lasers to the generation of localized microcombs. This …

Recent advances in the development of ultra-low loss silicon nitride integrated photonic
circuits have heralded a new generation of integrated lasers capable of reaching fiber laser …

We demonstrate a hybrid laser with a low intrinsic linewidth of 34.2 Hz and a high fiber-
coupled output power of 11.7 dBm, by coupling a Si 3 N 4-based subwavelength hole defect …

Strong and narrow spectral feedback plays a key role in self-injection locking (SIL) single-
frequency lasers, especially in the stabilization of single longitudinal mode (SLM) operation …