Jian Cui is an engineer at the Department of Networks, China Mobile Communications Group Co., Ltd. He received his BS degree and PhD in the School of Electronics from Peking University in 2018 and 2023, respectively. He has published more than 20 papers in peer-reviewed journals and conferences, including JLT, OE, and OFC. His current research interests include optical networks, optical communication systems, and space-division multiplexed transmission techniques.