高兆兰讲座（第二十四期）（2025年3月7日14:30）：Light-induced ultrafast dynamics of molecules and polaritons

主持人：王雪华教授

报告简介：While inventions like the optical microscope and X-ray diffraction have significantly enhanced our ability to uncover the nature, they mainly concentrate on obtaining steady-state information. However, the microcosm is a realm of dynamic evolution, with processes such as the vibrational motion of nuclei within molecules often occurring on the picosecond or femtosecond timescales, driven fundamentally by ultrafast electronic motions at the attosecond timescale. This talk will highlight the progress on the measurements and control of the light-induced ultrafast dynamics in molecules and polaritons. In particular, the ultrafast dynamics of cold molecules, e.g. the molecules in superfluid Helium nanodroplets and the bimolecular interactions, will be discussed. By developing a femtosecond angle-resolved spectroscopic imaging technique, we reveal the mechanisms of room-temperature polariton condensation in a microcavity and manipulates the fundamental process in condensation dynamics.

报告人简介：吴健，华东师范大学教授，国家杰出青年科学基金获得者。2002年本科毕业于华东师大物理系，2007年在华东师大获得光学博士学位。2005至2006年在美国罗切斯特大学交流学习，2010至2012年作为洪堡学者在德国法兰克福大学从事合作研究。2007年7月聘为副教授留校工作，2010年晋升为教授。长期从事超快激光物理的前沿研究，近年来发表科技论文180余篇，包括37篇PRL/PRX、16篇Nature/Science子刊，部分成果获得上海市自然科学奖一等奖、中国物理学会饶毓泰物理奖、中国光学学会饶毓泰基础光学奖、中国光学十大进展。