Author Affiliations

Boqiang Shen,^1,† Lin Chang,^2,† Junqiu Liu,^3,† Heming Wang,^1,† Qi-Fan Yang,^1,† Chao Xiang,² Rui Ning Wang,³ Jijun He,³ Tianyi Liu,³ Weiqiang Xie,² Joel Guo,² David Kinghorn,² Lue Wu,¹ Qing-Xin Ji,^1,4 Tobias J. Kippenberg,³ Kerry Vahala,¹ and John E. Bowers²

¹T. J. Watson Laboratory of Applied Physics, California Institute of Technology, Pasadena, CA 91125, USA

²ECE Department, University of California Santa Barbara, Santa Barbara, CA 93106, USA

³Institute of Physics, Swiss Federal Institute of Technology Lausanne (EPFL), CH-1015 Lausanne, Switzerland

⁴School of Physics, Peking University, Beijing 100871, China

^†These authors contributed equally to this work.