Dr. JiaJia Zhao completed her Ph.D. at the School of Optical and Electronic Information, Huazhong University of Science and Technology, China, in 2018. She worked as a Research Associate at the School of Engineering and Materials Science, Queen Mary University of London, UK, from 2016 to 2017. She currently serves as a Lecturer at the School of Computer and Communication Engineering at Changsha University of Science and Technology, China. Her research interests include the design of specialty optical fibers, optical sensors, and optical waveguide devices.