Qiancheng received his Ph.D. degree from the Electrical and Computer Engineering Department with a specialization of integrated photonics in University of California, Irvine, USA in 2017. He obtained his B.S. in Optical Engineering from Zhejiang University, China in 2012. He is currently a postdoctoral researcher in Prof. Blumenthal’s group in University of California, Santa Barbara. His research focuses on developing silicon nitride ultra-low-loss waveguides and high-Q resonators for stimulated Brillouin lasers, optical frequency combs, and integrated photonic devices.