Jingjing Guo, PhD, Associated Professor in the School of Instrumentation and Optoelectronic Engineering at Beihang University. He received his PhD degree in Optical Engineering from Tsinghua University in 2018. His research interests include flexible optical devices, fiber-optic sensors and fiber lasers. He has published more than 20 peer reviewed papers in Advanced Materials, Advanced Functional Materials, Optica, etc. His published works have been selected as research highlights by MIT News, OSA Optics & Photonics News, Newsweek, Fox News, Laser Focus World, etc.