Prof. ZHANG, Qihang (張啟航)
Research Assistant Professor, Department of Biomedical Engineering, CUHK
E-mail: qhzhang@cuhk.edu.hk
Tel: 3943 5072
Location: SHB617
Group website: Laser Metrology and Biomedicine (LAMB) Lab
About
ZHANG received his B.S. in Department of Physics from Tsinghua University in 2018 and Ph.D. in Electrical Engineering & Computer Science from Massachusetts Institute of Technology in 2023 under the guidance of Prof. George Barbastathis. Following his Ph.D., he worked as a Postdoctoral Fellow in Singapore-MIT Alliance of Research and Technology in 2023 and Tsinghua University in 2024. In June 2025, he joined the Department of Biomedical Engineering (BME) at CUHK as a Research Assistant Professor. His current research interests involve the optical scattering phenomena and their related applications in biomedical imaging, material metrology and biosensing.
Professional Education and Training
2023.12-2025.01 Postdoctoral Fellow, Tsinghua University
2023.03-2023.11 Postdoctoral Fellow, Singapore-MIT Alliance of Research and Technology
2018.09-2023.02 PhD in Electrical Engineering and Computer Science, Massachusetts Institute of Technology
2014.09-2018.06 Bachelor of Science in Physics, Tsinghua University
Research Interest
Development of the statistical mechanism of optical scattering phenomena, including their wavelength, polarization, spatial distribution and quantum properties.
Development of AI+Physics algorithm for scattering related optical sensing and imaging tasks;
Development of advanced biomedical sensing and imaging systems for biomedical diagnosis, surgery and therapy;
Selected Publications
1. Qihang, Zhang, Ajinkya Pandit, Zhiguang Liu, Zhen Guo, Shashank Muddu, Yi Wei, Deborah Pereg, Neda Nazemifard, Charles Papageorgiou, Yihui Yang, Wenlong Tang, Richard Braatz, Allan Myerson, and George Barbastathis*. “Non-invasive estimation of the powder size distribution from a single speckle image”. In: Light: Science & Applications 13.1 (2024), p. 200.
2. Qihang, Zhang, Janaka C Gamekkanda, Ajinkya Pandit, Wenlong Tang, Charles Papageorgiou, Chris Mitchell, Yihui Yang, Michael Schwaerzler, Tolutola Oyetunde, Richard D Braatz, Allan Myerson, and George Barbastathis*. “Extracting particle size distribution from laser speckle with a physics-enhanced autocorrelation-based estimator (PEACE)”. In: Nature Communications 14.1 (2023), p. 1159.
3. Jixiang Yang, Guorui Chen, Tianyi Han, Qihang, Zhang, Ya-Hui Zhang, Lili Jiang, Bosai Lyu, Hongyuan Li, Kenji Watanabe, Takashi Taniguchi, Todadri Senthil, Feng Wang, and Long Ju*. “Spectroscopy signatures of electron correlations in a trilayer graphene/hBN moir´e superlattice”. In: Science 375.6586 (2022), pp. 1295–1299
4. Qihang, Zhang, Yifei Zhang, Junying Li, Richard Soref, Tian Gu, and Juejun Hu*. “Broadband nonvolatile photonic switching based on optical phase change materials: beyond the classical figure-of-merit”. In: Optics letters 43.1 (2017), pp. 94–97.
5. Qihang, Zhang, Zhongkai Liu, Yan Sun, Haifeng Yang, Juan Jiang, Sung-Kwan Mo, Zahid Hussain, Xiaofeng Qian, Liang Fu, Shuhua Yao, Minghui Lu, Claudia Felser, Binghai Yan, Yulin Chen*, and Lexian Yang*. “Lifshitz transitions induced by temperature and surface doping in type-II Weyl semimetal candidate Td-WTe2”. In: physica status solidi (RRL)–Rapid Research Letters 11.12 (2017), p. 1700209.
