Zi-Xin Liang, Yuan-Yuan Zhao, Jing-Tao Chen, Xian-Zi Dong, Feng Jin, Mei-Ling Zheng, Xuan-Ming Duan. "Two-photon absorption under few-photon irradiation for optical nanoprinting." Nature Communications (2025). https://doi.org/10.1038/s41467-025-57390-9