Review Open access Published: 10 October 2024 Yaowen Hu1,2, Victor Torres-Company3 & …Kerry Vahala4 eLight volume 4, Article number: 18 (2024) Cite this article 2046 Accesses 56 Altmetric Metrics details AbstractThe rapid development of optical frequency combs from their table-top origins towards chip-scale platforms has opened up exciting possibilities for comb functionalities outside laboratories. Enhanced nonlinear processes in microresonators have emerged as a mainstream comb-generating mech...