1. Laboratory of Micro-Opto-electronic and Nanostructures (LMON), Department of Physics, Faculty of Sciences, 5019 Monastir, Tunisia
2. Institute of Automation and Control Processes (IACP), Far Eastern Branch of Russian Academy of Sciences, Vladivostok, Russia
3. Far Eastern Federal University (FEFU), Vladivostok, Russia
4. ITMO University, St. Petersburg 197101, Russia