Moustafa Hussein Aly, Engy Khalil El Nayal, Heba Ahmed Fayed and Hanan Mahmoud El-Gammal (2024) “A Comprehensive Study on EDFA Gain Flattening for WDM Transmission using Cascaded Fiber Bragg Gratings”, Journal of Advanced Research in Applied Sciences and Engineering Technology, 40(1), pp. 96–108. doi: 10.37934/araset.40.1.96108.