1. Faculty of Applied Sciences, Universiti Teknologi MARA, Cawangan Sarawak, 94300 Kota Samarahan, Sarawak, Malaysia
2. Department of Electrical and Electronic Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Kajang 43000, Selangor, Malaysia
3. Center for Photonics and Advanced Material Research, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Kajang 43000, Selangor, Malaysia
4. Faculty of Engineering and Technology, Multimedia University, Melaka 75450, Malaysia
5. University of Southampton Malaysia, Iskandar Puteri 79200, Johor, Malaysia
6. Faculty of Computer & Mathematical Sciences, Universiti Teknologi MARA, Cawangan Sarawak, Kota Samarahan 94300, Sarawak, Malaysia