Yan Gao gained his master degree in optical engineering from Zhejiang university, China. Now he works as a Ph.D. student in the department Microtechnology and Nanoscience (MC2), Chalmers. His research interests include on chip high-speed lithium niobate modulators, optical and microwave cavities, nonlinear optics and their applications. In his Ph.D. project, he mainly works with thin-film lithium niobate platform and his work include device design and nanofabrication.