Dr. Zheng Feng received his PhD degree in physics from Nanjing University, China. He is currently an Associated Professor at Microsystem and Terahertz Research Center, China Academy of Engineering Physics. His main research interests include spintronics, ultrafast/Terahertz spectroscopy and their interdisciplinary field. He has published one book chapter, and over 10 peer-reviewed papers as the (co-)first or corresponding author in high-impact journals, such as Light: Science & Applications, Nano Letters, Applied Physics Reviews, Advanced Optical Materials, and others.