Closed-Form Statistical Modeling of PDL-Induced SNR Margins for Reliable Optical Networks

Publication Date: 5/12/2026

Event: 30th International Conference on Optical Network Design and Modelling (ONDM 2026)

Reference: pp. 1-3, 2026

Authors: Enrico Miotto, Politecnico di Torino; Andrea D’Amico, NEC Laboratories America, Inc.; Emanuele Virgillito, Politecnico di Torino; Stefano Straullu, LINKS Foundation; Toru Mano, NTT Network Innovation Labs; Hideki Nishizawa, NTT Network Innovation Labs; Vittorio Curri, Politecnico di Torino

Abstract: We develop closed-form formulas for PDL-induced SNR margins using solutions based on central limit theorem. Experimental validations confirm accurate and conservative performancepredictions, enabling precise quality of transmission assessment and margin-aware design in optical networks.

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