1. Photonics Engineering Laboratory, Department of Electrical Engineering, University of Malaya, Kuala Lumpur, Malaysia
2. School of Pre-University Studies, Taylor College's Lakeside Campus, Subang Jaya, Selangor, Malaysia
3. Department of Telecommunication Engineering, Quaid-e-Awam University of Engineering, Science & Technology, Nawabshah, Pakistan
4. Department of Telecommunication Engineering, Mehran University of Engineering & Technology, Jamshoro, Pakistan
5. Faculty of Information Technology, Imam Ja’afar Al-Sadiq University, Baghdad, Iraq
6. Department of Physics, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia
7. Department of Physics, Faculty of Science and Technology, Airlangga University, Surabaya, Indonesia