Thermal tuning of Kerr frequency combs in silicon nitride microring resonators Xue, Xiaoxiao ; Xuan, Yi ; Wang, Cong ; Wang, Pei-Hsun ; Liu, Yang ; Niu, Ben ; Leaird, Daniel E. ; Qi, Minghao ; Weiner, Andrew M. Abstract Publication: Optics Express Pub Date: January 2016 DOI: 10.1364/OE.24.000687 Bibcode: 2016OExpr..24..687X