56.6 dB high gain L-band EDFA utilizing short-length highly-doped erbium rare-earth materialM. H. Al-Mansoori and W. S. Al-GhaithiJ. Eur. Opt. Soc.-Rapid Publ., 9 (2014) 14028DOI: https://doi.org/10.2971/jeos.2014.14028
