Operator Trial of Quadruple PON Coexistence with 100G-PON, 50G-PON, 25GS-PON and XGS-PON. - Robert Borkowski; Kovendhan Vijayan; Suresh Chandrasekaran; John Valdez; Erwin Wardojo; Srimadhaven Thirumurthy; Vincent Houtsma; Christoph Füllner; Dora van Veen; Michael Straub; René Bonk; Chris Edwards; et al. (OFC, 2025)