Hanan K. Abdulkrim, N. I. H. S. J. A. (2021) “Production Survey of Designing a Hybrid Optical Amplifier (HOP) for WDM Systems by Using EDFA and RAMAN Amplifiers”, Design Engineering, pp. 7476-7491. Available at: http://thedesignengineering.com/index.php/DE/article/view/3257 (Accessed: 2May2024).