First Demonstration of Uncoupled 4-Core Multicore Fiber in a Submarine Cable Prototype with Integrated Multicore EDFA. - Hitoshi Takeshita; Kohei Nakamura; Yuushi Matsuo; Takanori Inoue; Daishi Masuda; Tetsuya Hiwatashi; Kohei Hosokawa; Yoshihisa Inada; Emmanuel Le Taillandier de Gabory (OFC, 2022)