Extending a Single-Span Characterization to the Full Submarine Link: A Digital Twin Approach for Accurate G/OSNR Prediction over 150 spans. - Alexis Carbó Meseguer; R. Fonseca Poca; Chiara Lasagni; Juliana Tiburcio de Araujo; Jean-Christophe Antona; M. Zhuang; Sébastien Dupont; D. Mongardien; Pascal Pecci; P. Perrier; Vincent Letellier (OFC, 2026)