On October 24, 2025, Prof. Fang Yu was invited to attend the 3rd International Conference on UltrafastX (UltrafastX 2025) in Xiamen and delivered a plenary report titled “Sensors-Driven Innovation in Fluorescent Materials”, sharing the latest research progress and achievements in film-based fluorescence sensing.

The conference aims to establish an international exchange platform in the field of ultrafast science, focusing on academic frontiers, technological innovation, and industrial development, which attracted over 300 experts and scholars from more than ten countries.

The conference was hosted by the Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences; Peking University; the Institute of Physics, Chinese Academy of Sciences; Xiamen University; and the Shaanxi Optical Society. It is organized by Ultrafast Science, the Chinese Journal of Photonics, iOptics, the State Key Laboratory of Ultrafast Optics Science and Technology, the Research Center for Attosecond Science and Technology, the Center for Ultrafast Matter Science at the Institute of Physics, Chinese Academy of Sciences, the Pen-Tung Sah Institute of Micro-Nano Science and Technology at Xiamen University, and the Fujian Optical Society.