High-efficiency cladding-pumped C+L-band uncoupled 4-core EDFA with integrated multicore isolators and FWDMs. - Shaofeng Xie; Runzhou Qiu; Wenhao Li; Bofan Guo; Jinkai Zhou; Chengxu He; Shecheng Gao; Jiajing Tu; Shikui Shen; Cheng Du; Guangquan Wang; Zhaohui Li (OFC, 2026)