1. Tianjin University, Center for Terahertz Waves and College of Precision Instrument and Optoelectroni
2. Shanxi Datong University, Institute of Solid State Physics and College of Physics and Electronic Sci
3. Wuhan University of Technology, School of Information Engineering, Wuhan
4. Tianjin Normal University, College of Physics and Materials Science, Tianjin
5. City University of New York, Advanced Science Research Center, Photonics Initiative, New York
6. University of Hong Kong, Faculty of Science, Department of Physics, Hong Kong
7. Oklahoma State University, School of Electrical and Computer Engineering, Stillwater, Oklahoma