Field Trial Demonstration over Live Traffic Network of 400 Gb/s Ultra-Long Haul and 600 Gb/s Regional Transmission. - Aymeric Arnould; Haïk Mardoyan; Florian Pulka; Amirhossein Ghazisaeidi; Vahid Aref; B. Bordez; P. Tondo; L. Dalle Cort; Erwan Pincemin; Nicolas Brochier; F. Chatter; V. Guillot-Common; et al. (ECOC, 2020)