We experimentally investigate the initial dynamics of Kerr-frequency comb formation in crystalline MgF2 and planar Si3N4 microresonator and present a universal, platform independent condition for low phase noise performance.
Edoardo Charbon, Andrea Ruffino, Yatao Peng
Tobias Kippenberg, Hairun Guo, Erwan Guillaume Albert Lucas, Wenle Weng