1. Kuwait College of Science and Technology (KCST), Doha District, P. O. Box 27235, Safat 13133, Kuwait
2. Department of Engineering Mathematics and Physics, Faculty of Engineering, Alexandria University, Alexandria 21544, Egypt
3. Center of Smart Nanotechnology and Photonics (CSNP), SmartCI Research Center, Alexandria University, Alexandria 21544, Egypt
4. Faculty of Science, Utah State University, Logan, Utah 84322, USA