Epsilon-near-zero ITO/Ag/SiO2 metamaterial for large nonlinear absorptionJiannan Dong, Zongling Lang, Zhongyang Wang, Shuqiang Xiong, Hao Luan, Yihang Chen and Tongxiang FanEPJ Appl. Metamat., 12 (2025) 6DOI: https://doi.org/10.1051/epjam/2025011