A 2×500Gb/s Monolithic Silicon-Photonic DWDM PAM-4 Transceiver in 45nm CMOS SOI. - Ziang Xu; Yalong Lin; Jinxuan Jin; Zhenkai Ye; Dacheng Xu; Aolin Xu; Chaodi Sheng; Binwen Hong; Xiaojun Bi 003 (ISSCC, 2026)