Photonic cellular automaton simulation of relativistic quantum fields: observation of Zitterbewegung / Papers New / By Qiss Alessia Suprano, Danilo Zia, Emanuele Polino, Davide Poderini, Gonzalo Carvacho, Fabio Sciarrino, Matteo Lugli, Alessandro Bisio, Paolo Perinotti QILab Rome Preprint: 2402.07672