1. Shenzhen University,THz Technical Research Center of Shenzhen University,Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province College of Physics and Optoelectronic Engineering,Shenzhen,China,518060
2. University of Madras (Guindy Campus),Department of Nuclear Physics,Chennai,Tamil Nadu,India,600 025
3. Vellore Institute of Technology,School of Electronics Engineering,Chennai,Tamil Nadu,India,600 127
4. Xidian University,Hangzhou Institute of Technology,Hangzhou,China,311231
5. National Institute of Technology Calicut,Department of Physics,Kozhikode,Kerala,India,673601