Dr. Chaotan Sima is an Associate Professor and Ph.D. supervisor in School of Optical and Electronic Information at Huazhong University of Science and Technology (HUST), China. In 2006, he graduated from HUST with the bachelor degree. In 2013, He obtained the Ph.D. degree in optoelectronics at the ORC in the University of Southampton, UK. After the temporal industry experience, he joined HUST in 2014, and received the Marie-Curie Fellowship in 2019. His research interests include advanced optical gas sensing, planar integrated devices and special optical fiber. He has authored over 50 technique publications, 10 pantents and been the PI for over 10 grants including projects from NSFC and National Key R&D Project. He serves as an editorial member of Optical and Quantum Electronics and guest editor of Photonics. He is a senior member of IEEE, member of Optica and CSOE, and a frequent reviewer of technical journals such as PR, TMTT, JLT OE and OL etc., as well as TPC members of several international conferences including CLEO and POEM.