First Penalty-free Real-time Co-frequency Co-time Full-duplex Optical Fiber Transmission with 202.1Tb/s Net Capacity Enabled by Hollow-core 5-element NANF. - Dawei Ge; Yifan Xiong; Yan Wu; Yizhi Sun; Yancai Luan; Dong Wang 022; Shoufei Gao; Dechao Zhang; Liang Mei; Yingying Wang 001; Wei Ding; Han Li 008; et al. (OFC, 2024)