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, with total research funding exceeding RMB 200 million. 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. Key contributions include:

- The first demonstration of a silicon-based optoelectronic integrated system driven by an integrated microresonator frequency comb, achieving a record parallel on-chip signal transmission rate of 2 Tb/s, published in *Nature* [605, 457 (2022)].

- Subsequent achievement of a total data transmission rate exceeding 60 Tb/s, published in *Nature Communications* [15, 7892 (2024)].

- The first proposal of integrating photonic chips with wireless communication, demonstrating high-speed wireless communication configurable at arbitrary frequency points with a record bandwidth exceeding 100 GHz and full-spectrum coverage, published in *Nature* [645,80(2025)].

- A minimalist lidar system architecture based on parallel chaotic entropy sources, achieving parallel detection with a ranging accuracy of 2 mm and an interference suppression ratio greater than 30 dB, published in *Nature Photonics* [17, 306 (2023)].

- A design theory for integrated optical resonators with high Q-factor and broad free spectral range, realizing a microwave photonic filter with a tuning range of 0–60 GHz and a narrow bandwidth of 32 MHz, published in *Light: Science & Applications* [13, 51 (2024)].

- A novel calibration method enabling 9-bit weight control accuracy and a computational density of 1.04 TOPS/mm². In image edge detection and handwritten digit recognition tests, accuracy reached 96.6%, approaching that of electronic computers (97.0%), published in *Nature Communications* [14, 66 (2023)].

- A slow-light waveguide structure achieving an ultra-compact broadband silicon modulator with a length of 124 µm and a bandwidth of 110 GHz through optimized cascaded Bragg gratings and PN junction design, published in *Science Advances* [9, eadi5339 (2023)].

- Subsequent achievement of the first international demonstration of ultra-high-speed multi-channel signal transmission at 400 Gbps per wavelength, published in *Nature Communications* [16, 6547 (2025)].

He has supervised 16 PhD students and 10 master’s students. All nine graduated PhD students have published papers in *Nature*/*Science* series journals as first or co-first authors. Among them, his first PhD graduate received the Excellent Young Scientist Fund, and the first four PhD graduates received Excellent Doctoral Dissertation awards from professional societies—one from the Chinese Institute of Electronics, one from the China Institute of Communications, and two from the Chinese Society for Optical Engineering. One master’s student received the Excellent Master’s Thesis Award from the Chinese Institute of Electronics, and one PhD student received the Beijing Excellent Doctoral Dissertation Award. Four students received Peking University’s Outstanding Doctoral or Master’s Thesis Award, one received the “Father of WDM” Tingye Li Memorial Scholarship (awarded to three recipients globally), and four were recognized as National Microwave Photonics Academic Rising Stars (awarded to five recipients annually nationwide).

He has mentored 13 postdoctoral researchers, seven of whom have completed their terms. Among them, six have secured assistant professor positions at domestic and international universities, one received the Excellent Young Scientist Fund from NSFC, two were selected for the Young Talent Support Program, six received NSFC Young Scientist Fund grants, four were selected for the Boya Postdoctoral Support Program at Peking University, and two received Peking University’s Outstanding Postdoctoral Award.

Education:

· Sep 1995 - Jul 1999: Dalian University of Technology — Bachelor's Degree

· Sep 1999 - Jul 2001: Dalian University of Technology — Master's Degree

· Sep 2001 - Apr 2005: Dalian University of Technology — Ph.D.

Work Experience:

· Apr 2005 - Apr 2007: Institute of Physics, Chinese Academy of Sciences — Postdoctoral Researcher

· Apr 2007 - Apr 2009: Department of Electronics and Engineering, The University of Electro-Communications, Japan — JSPS Postdoctoral Research Fellow

· Feb 2009 - Aug 2015: School of Electronics Engineering and Computer Science, Peking University — Associate Professor

· Aug 2015 - Nov 2021: School of Electronics Engineering and Computer Science, Peking University — Professor

· Nov 2021 - Jan 2024: School of Electronics, Peking University — Professor

· May 2022 - Present: School of Electronics, Peking University — Associate Dean

· Feb. 2024 – Present: School of Electronics, Peking University — Tenured Professor

Teaching:

· Undergraduate Course: 《Fundamentals of Optoelectronics》

· Undergraduate Lab Course: 《Optoelectronic Technology Laboratory》

· Graduate Course: 《Fundamentals of Photonics》

· Graduate Course: 《Silicon Photonics》

Projects Presided:

· National Key R&D Program of China: High-Efficiency Silicon-Based Optical Waveguide Amplifiers and Lasers for Large-Scale Integration (2022-2024), Project Lead

· NSFC Key Program: Research on High-Performance Communication Optoelectronic Devices and Integrated Systems Based on Silicon-Based Multi-Material System Integration (2023-2027), Project Lead

· NSFC Key Program: Research on Silicon-Based High-Gain Optical Waveguide Amplifiers and Lasers for Large-Scale Integration (2017-2021), Project Lead

· NSFC Major Instrumentation Project：High-Precision Miniaturized Optical Coherence Tomography (OCT) Imaging System（2024-2028）,Project Lead

· Beijing Municipal Key R&D Program: Research on Hybrid Integrated High-Power Optical Frequency Comb Sources and Silicon Photonic System Application Technology (2022-2024), Project Lead

· Beijing Municipal Key R&D Program: Research on 100G Chip-Level Silicon Photonic Interconnect Technology (2019-2021), Project Lead

· Other National Major/Key Projects: 7 projects

Honors and Awards:

· Dec 2022: Cheung Kong Scholar Distinguished Professor, Ministry of Education

· Jan 2023: Outstanding Doctoral Dissertation Supervisor (Beijing)

· Feb 2023: China's Top 10 Scientific and Technological Innovations Award

· Mar 2023: China's Top 10 Social Impact Events in Optics

· Apr 2023: China's Top 10 Optical Advances

· May 2023: China's Top 10 Advances in Chip Science

· Dec 2023: Fellow, The Optical Society (OSA)

· Dec 2023: China's Top 10 Advances in Science and Technology in Information and Communication

· May 2024: Fellow, Chinese Society for Optical Engineering (CSOE)

· Aug 2024: Fellow, China Institute of Communications (CIC)

· Sep 2024: "Management & Education Pioneer" Honorary Title, Beijing Education System

· Dec 2024: First Prize, Beijing Natural Science Award (Ranked 1st)

· Jan 2025: Head, National Key Field Innovation Team

Academic Papers:

[1]  Z. Tao, H. Wang, H. Feng,…, X. J. Wang*, Ultrabroadband on-chip photonics for full-spectrum wireless communications, Nature, 2025, 645:80-87.

[2]H. W. Shu, L. Chang, Y. S. Tao,….,X. J. Wang*, J. E. Bowers*, Microcomb-driven silicon photonic systems, Nature, 2022, 605: 457.

[3] R. X. Chen, H. W. Shu,…, X. J. Wang*, Breaking the temporal and frequency congestion of LiDAR by parallel chaos, Nature Photonics, 2023, 17: 306.

[4] C. Han, Q. Yang, J. Qin, ….., X. J. Wang*, Exploring 400 Gbps/λ and beyond with AI-accelerated silicon photonic slow-light technology, Nature Communications, 2025，16: 6547.

[5] Q. Wu, J. Qian, Y. Wang,…, X. J. Wang*, H. Peng*, Waveguide-integrated twisted bilayer graphene photodetectors, Nature Communications, 2024,15: 3688.

[6] X. Zhang, Z. Zhou, Y. Guo,…, X. J. Wang*, Lin Chang*,High-coherence parallelization in integrated photonics, Nature Communications 2024, 15: 7892.

[7] B. T. Shen, H. W. Shu, W. Q…, X. J. Wang*, Harnessing microcomb-based parallel chaos for random number generation and optical decision making, Nature Communications, 2023, 14: 4590.

[8] B. W. Bai, Q. P. Yang,…, X. J. Wang*, Microcomb-based integrated photonic processing unit, Nature Communications, 2023, 14: 66.

[9] M. Jin, S. J. Tang, J. H. Chen,…, X. J. Wang*, Y. F. Xiao*, 1/f-noise-free optical sensing with an integrated heterodyne interferometer, Nature Communications, 2021, 12:1973.

[10] C. H. Han, Z. Zhao, H. W. Shu,…, X. J. Wang*, Slow-light silicon modulator with 110-GHz bandwidth, Science Advances, 2023, 9: 5339.

Academic Monographs:

[1] Wang Xingjun, Zhou Peiqi, Wang Bo. Silicon-Based Optoelectronic Integration Technology - Optical Waveguide Amplifiers and Lasers. Publishing House of Electronics Industry, 2022.

[2] Wang Xingjun, Tao Yuansheng, Tao Zihan, Shu Haowen. Silicon-Based Integrated Microwave Photonics Technology. Science Press, 2023.