We have established wide collaborations with overseas institutions, and had many successful collaborative research outputs, specifically:
Astronomy and Astrophysics (AA) group

AA Group collaborates with scientists based in
- 15 universities/institutes in Asia (e.g., Osaka University, PMO, NOAC Nanjing in China);
- 4 universities/institutes in Australia (e.g., Univ. Sydney);
- 8 universities/institutes in Europe (e.g., Max Planck Institute for Astronomy, Univ. Cambridge); and
- 15 universities/institutes in North America (e.g., Harvard-Smithsonian Center for Astrophysics, JPL, Caltech).
Experimental Condensed Matter and Material Science (ECMM) group

ECMM group collaborates with
- 7 universities/institutes in China (e.g., Tsinghua, CAS);
- 5 universities/institutes in Europe, the USA, and Australia (e.g., UC Irvine, HZDR).
Theoretical and Computational Condensed Matter (TCCM) group

TCCM group collaborates with
- 6 universities in North America (e.g., Princeton, Yale);
- 8 universities in China (e.g., Fudan, Peking, USTC).
Atomic, Optical, and Quantum (AOQ) Physics group

AOQ group collaborates with
- Canada
- University of Toronto
- North America
- College of William and Mary
- Mainland China
- University of Science and Technology of China
- Nanjing University
- Wuhan Institute of Physics and Mathematics
Experimental Nuclear and Particle Physics (ENP) group

ENP group collaborates closely with partner institutes (CUHK and HKUST) of the Hong Kong Joint Consortium for Fundamental Physics, and actively participates in international collaborations based on large facilitates at LHC ATLAS, RIKEN, etc.
These collaborations have led to numerous high-quality publications.
One example is between Professor Wang Yao and the Nano-optoelectronics Lab at the University of Washington, Seattle on 2D semiconductors, which has led to over 20 joint publications in the Science and Nature series journals in the past six years.