Razali N, Awang NA. The Impact of Fiber Length on the Gain and Efficiency of Erbium Doped Amplifier. EKST [Internet]. 2025 Aug. 5 [cited 2026 Apr. 9];5(1):116-24. Available from: https://penerbit.uthm.edu.my/periodicals/index.php/ekst/article/view/18676