[1] Northern Malaysia Univ, Coll Engn, Sch Comp & Commun Engn, Block A,Kompleks Pusat Pengajian KUKUM,Jalan Kang, Arau, Perlis, Malaysia
[2] Univ Kebangsaan Malaysia, Inst Microengn & Nanoelectron IMEN, Photon Technol Lab PTL, Bangi 43600, Malaysia
[3] Univ Putra Malaysia, Fac Engn, Dept Comp Syst & Commun, Photon Lab, Serdang 43400, Malaysia