Integrated Ultra-Narrow Linewidth Stabilized SBS Lasers

Frequency-stabilized, spectrally-pure lasers are key to precision scientific applications including quantum, atomic clocks, and metrology. We discuss progress towards integrating aspects of these systems to the chip-scale using
$\text{Si}_{3}\mathrm{N}_{4}$
Brillouin lasers and ultra-high Q resonators. © 2022 The Author(s).