Hamzah A, Azrin NNA, Saris N. Flat-gain and Wideband EDFA by using Dual Stage Amplifier Technique. JTEC [Internet]. 2018Jul.4 [cited 2024Nov.21];10(2-6):25-9. Available from: https://jtec.utem.edu.my/jtec/article/view/4364