1. Institute of Electronics, Microelectronics and Nanotechnology, Opto-Acousto-Electronic Department, University Polytechnic Hauts-De-France, Campus Mont Houy, FRANCE
2. Faculty of Engineering, Lebanese University, Hadath Campus, LEBANON
3. Faculty of Science, Lebanese University, Fanar Campus, LEBANON
4. College of Physics, Qingdao University, Qingdao, China