A 7×25Gb/s Transceiver Using Codebook-Based CNRZ-7 for High-Density Transmission. - Ruixiao Kuai; Geng Zhang; Fangxu Lv; Jiaqing Xu; Xingyun Qi; Liangyong Yuan; Lizhou Wu; Bohui Bai; Ruotian Yin; Mingche Lai (ISCAS, 2026)