1. Photonics Research CenterUniversity of Malaya Kuala Lumpur Malaysia
2. Physics DepartmentUniversity of Malaya Kuala Lumpur Malaysia
3. Department of PhysicsFaculty of Science and Technology, Airlangga University Surabaya Indonesia
4. Centre of Advanced Optoelectronics Research (CAPTOR), Physics Department, Kulliyyah of ScienceInternational Islamic University Malaysia Kuantan Malaysia