2x30.4Tb/s Bidirectional 60.85-km Long Data Center Interconnect using Low Loss Hollow Core Fiber and 800G ZR OSFP modules. - Arnaud Dupas; Carina Castineiras Carrero; Haïk Mardoyan; Peng Li; Lei Zhang 006; Jie Luo 016; Chengpeng Fu; Chifeng Hu; Oriol Bertran-Pardo; Abdelali El Imadi; Naseredin Aramnejad; Vishal Gadiya; et al. (OFC, 2026)