Yaping Liu, Xutao Wang, Zhiqun Yang, Lin Zhang, Guifang Li. Strongly Coupled Few-Mode Erbium-Doped Fiber Amplifiers with Ultralow Differential Modal Gain. In Optical Fiber Communications Conference and Exhibition, OFC 2020, San Diego, CA, USA, March 8-12, 2020. pages 1-3, IEEE, 2020. [doi]
Abstract is missing.