Feng Wu is a lecturer at Guangdong Polytechnic Normal University. He got his doctor’s degree at Tongji University in 2020. His current research interests include photonic crystals, hyperbolic metamaterials, epsilon-near-zero metamaterials, bound states in the continuum, subwavelength gratings, optical Tamm states, and Goos-Hänchen shifts. Up to Mar 2022, he has published more than 40 papers. In addition, his published papers have been cited more than 340 times.