Silicon (Si) photonics is a disruptive technology on the fast track to revolutionise integrated
photonics. An indispensable branch thereof, heterogeneous Si integration, has also evolved …

The performance of silicon photonic components and integrated circuits has improved
dramatically in recent years. As a key enabler, heterogeneous integration not only provides …

Silicon photonics is advancing rapidly in performance and capability with multiple fabrication
facilities and foundries having advanced passive and active devices, including modulators …

The use of silicon nitride in integrated photonics has rapidly progressed in recent decades.
Ultra-low-loss waveguides based on silicon nitride are a favorable platform for the research …

Silicon nitride (SiN) waveguides with ultra-low optical loss enable integrated photonic
applications including low noise, narrow linewidth lasers, chip-scale nonlinear photonics …

Narrow linewidth lasers have many applications, such as higher order coherent
communications, optical sensing, and metrology. While semiconductor lasers are typically …

This paper presents recent results on widely-tunable narrow-linewidth semiconductor lasers
using a ring-resonator based mirror as the extended cavity. Two generations of lasers on the …

We demonstrate a novel \rmIII\text-\rmV/\rmSi/\rmSi_3\rmN_4 III-V/Si/Si_3N_4 structure to
enable efficient electrically pumped lasing in a fully integrated \rmSi_3\rmN_4 Si_3N_4 …

The development of ultralow-loss silicon-nitride-based waveguide platforms has enabled
the realization of integrated optical filters with unprecedented performance. Such passive …

Coherent optomechanical interaction known as stimulated Brillouin scattering (SBS) can
enable ultrahigh resolution signal processing and narrow-linewidth lasers. SBS has recently …