Terahertz Emission From an Exchange-Coupled Synthetic Antiferromagnet

Qi Zhang,1,2 Yumeng Yang,2,3 Ziyan Luo,2 Yanjun Xu,2 Rongxiang Nie,4 Xinhai Zhang,1,† and Yihong Wu2,* 1 Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Xueyuan Rd 1088, Shenzhen 518055, China 2 Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117583, Singapore 3 School of Information Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai 201210, China 4 NUS (Suzhou) Research Institute, National University of Singapore, No. 377 Linquan Street, Suzhou 215123, China