France Telecom's PON deployment, learnt lessons and next steps. - Philippe Chanclou; Bruno Capelle; Benoît Charbonnier; Jean-Luc Courant; Yann Denis; Naveena Genay; Stéphane Gosselin; Dominique Kurz; Bernard Landousies; Erwan Le Bris; Bertrand Le Guyader; Anna Pizzinat; et al. (OFC/NFOEC, 2013)