Speech Title: A silicon-based optoelectronic integrated system driven by an integrated microresonator frequency comb, achieving parallel on-chip signal transmission at a maximum rate of 2 Tb/s.

Abstract: In this talk, I will introduce my group recent works. A silicon-based optoelectronic integrated system driven by an integrated microresonator frequency comb, achieving parallel on-chip signal transmission at a maximum rate of 2 Tb/s. The work was published in Nature 605, 457-463 (2022). An integrating photonic chips with wireless communications and demonstrated high-speed wireless communication configurable at arbitrary carrier frequencies. The system achieved a record bandwidth exceeding 100 GHz and full-spectrum wireless coverage. The work was published in Nature 645, 80-87 (2025). An optoelectronic and electro-optic conversion devices with bandwidths exceeding 250 GHz. Using these devices, his team achieved record single-channel transmission of 512-Gbit/s PAM4 signals in optical-fiber communications and 400-Gbit/s 16-QAM and 32-QAM signals in wireless communications. The team also demonstrated wireless transmission of 86 simultaneous 8K video streams in the terahertz band. The work was published in Nature 651, 348-355 (2026).

Biography: Xingjun Wang, Boya Distinguished Professor at Peking University, Cheung Kong Scholar Distinguished Professor under the Ministry of Education, PhD advisor, the Associate Dean of the School of Electronics, the Head of a National Key Field Innovation Team, the Deputy Director of the National Key Laboratory of Photonic Transmission and Communications, the Deputy Director of the Ministry of Education’s Frontier Science Center for Nano-Optoelectronics, and a member of the Academic Degrees Appraisal Committee of the State Council. He is also a Fellow of the Optical Society of America (OSA), a Fellow of the China Institute of Communications (CIC), and a Fellow of the Chinese Society for Optical Engineering (CSOE).

Over the past five years, his work has primarily focused on optoelectronic integrated chips and systems. As the principal investigator, he has led several major research projects, including two National Key R&D Programs, two National Major Engineering Projects, a Major Scientific Instrument Project of the National Natural Science Foundation of China (NSFC), two NSFC Key Projects, and a Beijing Municipal Key Project. His representative achievements have been recognized with numerous awards, including China’s Top 10 Scientific and Technological Innovations Award, China’s Top 10 Advances in Information and Communication Technology (twice), China’s Top 10 Optical Advances, China’s Top 10 Social Impact Events in Optics (twice), and China’s Top 10 Advances in Chip Science. He also received the 2024 Beijing Natural Science Award First Prize (ranked first).

His long-term research focuses on silicon-based optoelectronic integrated chips and information systems. As the first or corresponding author, he has published over 200 papers in high-impact journals such as *Nature* (2 papers), *Nature Photonics*, and *Nature Communications* (8 papers). He holds more than 50 authorized invention patents.

Speech Title: Intelligent Metasurface-Empowered Wireless Communications and Sensing: From Theory to Validation

Abstract: Intelligent metasurfaces, as a key enabling technology for next-generation wireless communications and sensing, are capable of actively reshaping electromagnetic wave propagation environments, driving communication systems to transition from passively adapting to channels toward intelligently regulating wireless environments. This presentation focuses on the theoretical framework, key technologies, and experimental validation of intelligent metasurfaces enabling wireless communications and sensing. It highlights fundamental theories and core methods such as physical and channel modeling, beamforming and phase optimization, and integrated communication and sensing, and validates the effectiveness of the related technologies through prototype systems and experimental tests. This research is jointly conducted by the School of Electronic Information and Communications, Huazhong University of Science and Technology; the Center for Mathematical Sciences, Huazhong University of Science and Technology; Shanghai University; and Shanghai University of Finance and Economics, and is funded by the National Natural Science Foundation of China and the Wuhan Key Research and Development Program.

Biography: Robert Caiming Qiu (Fellow, IEEE) received the Ph.D. degree in electrical engineering from New York University (formerly Polytechnic University), Brooklyn, NY, USA. He joined the School of Electronic Information and Communications, Huazhong University of Science and Technology, China, as a Full Professor, in 2020. Before joining HUST, he was an Associate Professor with the Department of Electrical and Computer Engineering, Center for Manufacturing Research, Tennessee Tech University, Cookeville, TN, USA, in 2003, where he became a Professor in 2008. He founded and served as the CEO and the President of Wiscom Technologies Inc., a company specializing in manufacturing and marketing WCDMA chipsets. In 2003, he was acquired by Intel. He was with GTE Laboratories Inc. (now Verizon), Waltham, MA, USA; and Bell Laboratories, Lucent, Whippany, NJ, USA. He has co-authored Cognitive Radio Communication and Networking: Principles and Practice (John Wiley, 2012) and Cognitive Networked Sensing: A Big Data Way (Springer, 2013) and authored Big Data and Smart Grid (John Wiley, 2015). He has authored over 100 journal articles/book chapters and 120 conference papers. He has served as a TPC Member for GLOBECOM, ICC, WCNC, and MILCOM. He was a Guest Book Editor of Ultra-Wideband (UWB) Wireless Communications (New York: Wiley, 2005) and three Special Issues on UWB, including IEEE Journal on Selected Areas in Communications, IEEE Transactions on Vehicular Technology, and IEEE Transactions on Smart Grid. Furthermore, he has made 15 contributions to 3GPP and IEEE standards bodies. He has also served as an Associate Editor for IEEE Transactions on Vehicular Technology and other international journals.