255-Gb/s C-Band IM-DD over 75 km SSMF Based on Flexible Dispersion-Diverse Receiver with Low Dispersion Path. - Yimin Hu; Yixiao Zhu; Ziheng Zhang; Luyao Huang; Dangui Huang; Lina Man; Yikun Zhang; Wisheng Hu (ECOC, 2025)