Highly Optimized O-band Si Ring Modulators for Low-Power Hybrid CMOS-SiPho Transceivers. - Yoojin Ban; Minkyu Kim; Peter De Heyn; Davide Guermandi; Filippo Ferraro; Natarajan Rajasekaran; Peter Verheyen; Pieter Bex; Junwen He; Hakim Kobbi; Jeroen De Coster; Rafal Magdziak; et al. (OFC, 2023)