Qi-Hua Xiong

qihua_xiong@tsinghua.edu.cn

English, Chinese

Beijing

Tsinghua University

Physics

• 1993/09-1997/07 Bachelor's Degree from Wuhan University, School of Physics
• 1997/09-2000/07 Master's Degree from Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Supervisor: Professor Minqian Li
• 2000/09-2006/06 PhD from Pennsylvania State University, Supervisor: Professor Peter Eklund
• Has guided over 20 PhD students and more than 50 postdoctoral researchers

• 2006/06-2009/06 Postdoctoral Researcher at Harvard University, Collaborative Supervisor: Professor Charles Lieber
• 2009/06-2014/03 Assistant Professor, NRF Fellow at Nanyang Technological University, School of Physical and Mathematical Sciences
• 2014/03-2016/08 Associate Professor at Nanyang Technological University, School of Physical and Mathematical Sciences
• 2016/08-2021/01 Professor at Nanyang Technological University, School of Physical and Mathematical Sciences
• 2021/02-Present Professor at Tsinghua University, Department of Physics

• 2022 Fellow of the Materials Research Society
• 2021 Fellow of The Optical Society
• 2019 Fellow of the Asia Pacific Academy of Materials
• 2018 Fellow of the American Physical Society
• 2019-2022 Clarivate Analytics Highly Cited Researcher (Cross-Field)
• 2017 National Distinguished Expert Long-term Project Awardee
• 2015 Singapore Physical Society Nanotechnology Award
• 2014 First NRF Investigator Award from the National Research Foundation Singapore
• 2014 Nanyang Technological University Research Excellence Award
• 2009 Second NRF Fellow Award from the National Research Foundation Singapore

Condensed matter spectroscopy and ultrafast spectroscopy
Semiconductor microcavity light-matter strong coupling interactions, exciton-polariton BEC and lasing, and nonequilibrium dynamics
Perovskite semiconductor exciton fine structure, microcavity exciton-polariton artificial lattices, nonlinear dynamics, and exciton-polariton devices
Two-dimensional layered materials and van der Waals heterostructures carrier ultrafast dynamics, charge and energy transfer dynamics
Novel two-dimensional materials and van der Waals heterostructures photonics and optoelectronic devices

• High-order topological polariton corner state lasing, J.Q. Wu, S. Ghosh, Y.S. Gan, Y. Shi, S. Mansal, H.D. Sun, B.L. Zhang, T.C.H. Liew, R. Su, Qihua Xiong, 2023
• All-optical control of rotational exciton polaritons condensate in perovskite microcavities, S. Zhang, Z.Y. Zhu, W.N. Du, X.X. Wu, S. Ghosh, Q. Zhang, Qihua Xiong, X.F. Liu, 2023
• Optically pumped polaritons in perovskite light-emitting diodes, M.Y. Leng, J.Q. Wu, K. Dini, J. Liu, Z.H. Hu, J. Tang, T.C.H. Liew, H.D. Sun, R. Su, Qihua Xiong, 2023
• Exciton polariton interactions in Van der Waals superlattices at room temperature, J.X. Zhao, A. Fieramosca, K. Dini, R.Q. Bao, W. Du, R. Su, Y. Luo, W.J. Zhao, D. Sanvitto, T.C.H. Liew, Qihua Xiong, 2023
• Controllable vortex lasing arrays in a geometrically frustrated exciton-polariton lattice at room temperature, J. Wang, Y.T. Peng, H.W. Xu, J.G. Feng, Y.Q. Huang, J.Q. Wu, T.C.H. Liew, Qihua Xiong, 2023
• Microcavity exciton polaritons at room temperature, S. Ghosh, R. Su, J.X. Zhao, A. Fieramosca, J.Q. Wu, T.F. Li, Q. Zhang, F. Li, Z.H. Chen, T.C.H. Liew, D. Sanvitto, Qihua Xiong, 2022
• Nonlinear polariton parametric emission in an atomically thin semiconductor based microcavity, J.X. Zhao, A. Fieramosca, R.Q. Bao, W. Du, K. Dini, R. Su, J.G. Feng, Y. Luo, D. Sanvitto, T.C.H. Liew, Qihua Xiong, 2022
• Recent developments on polariton lasers, L. Zhang, J.Q. Hu, J.Q. Wu, R. Su, Z.H. Chen, Qihua Xiong, H. Deng, 2022
• All-optical switching based on interacting exciton polaritons in self-assembled perovskite microwires, J.G. Feng, Jun Wang, A. Fieramosca, R.Q. Bao, J.X. Zhao, R. Su, Y.T. Peng, T.C.H. Liew, D. Sanvitto, Qihua Xiong, 2021
• Direct measurement of a non-Hermitian topological invariant in a hybrid light-matter system, Rui Su, Eliezer Estrecho, D. Biegańska, Y.Q. Huang, M. Wurdack, M. Pieczarka, A.G. Truscott, T.C.H. Liew, E.A. Ostrovskaya, Qihua Xiong, 2021
• Perovskite polariton parametric oscillator, J.Q. Wu, R. Su, A. Fieramosca, S. Ghosh, J.X. Zhao, T.C.H. Liew, Qihua Xiong, 2021
• Perovskite semiconductors for room-temperature exciton-polaritonics, R. Su, A. Fieramosca, Q. Zhang, H.S. Nguyen, E. Deleporte, Z.H. Chen, D. Sanvitto, T.C.H. Liew, Qihua Xiong, 2021
• Optical switching of topological phase in a perovskite polariton lattice, R. Su, S. Ghosh, T.C.H. Liew, Qihua Xiong, 2021
• Ultralow threshold polariton condensate in a monolayer semiconductor microcavity at room temperature, J.X. Zhao, R. Su, A. Fieramosca, W.J. Zhao, W. Du, X. Liu, C. Diederichs, D. Sanvitto, T.C.H. Liew, Qihua Xiong, 2021
• Nonlinear parametric scattering of exciton polaritons in perovskite microcavities, J.Q. Wu, S. Ghosh, R. Su, A. Fieramosca, T.C.H. Liew, Qihua Xiong, 2021
• Spontaneously coherent orbital coupling of counterrotating exciton polaritons in annular perovskite microcavities, J. Wang, H.W. Xu, R. Su, Y.T. Peng, J.Q. Wu, T. C. H. Liew, Qihua Xiong, 2021
• Observation of exciton polariton condensation in