1. College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, People’s Republic of China
2. THz Technical Research Center of Shenzhen University, Shenzhen. Key Laboratory of Micro-nano Photonic Information Technology, Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen, People’s Republic of China
3. Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, People’s Republic of China
4. Faculty of Science, Physics Department, Assiut University, Assiut, Egypt