Integrated Glass Waveguide Substrate with Surface Coupled Photonic Chips for Massive Scaling of CPO. - Lars Brusberg; Seong-ho Seok; Tim Grygiel; BoKyung Kong; Aramais R. Zakharian; Betsy J. Johnson; Janderson R. Rodrigues; Chad C. Terwilliger; Lucas W. Yeary; Jesus A. Cumana Morales; Marisol M. Gonzalez (OFC, 2026)