M. H. Al-Mansoori and W. S. Al-Ghaithi and F. N. Hasoon, 55 dB High Gain L-Band EDFA Utilizing Single Pump Source . journal = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. July 2014, vol. 91(7). 1201 - 1203 [viewed 26 September 2024]. Available from: https://publications.waset.org/pdf/9998866.