Collapse and Revival of Exciton-Polaritons in a Single Nanocavity Revealed by Ultrafast Nonlinear MicroscopyRemoveLiyu Zhang, Zhongao Huang, Kai Wang, Chao Guan, Zijian He, Jiaxing Yang, Shuzheng Chen, Xiaobo Han, and Peixiang LuPhys. Rev. Lett. 137, 056906 (2026)
