A universal fully reconfigurable 12-mode quantum photonic processor
Caterina Taballione, Reinier van der Meer, Henk Snijders, Peter Hooijschuur, Jörn P. Epping, Michiel de Goede, Ben Kassenberg, Pim Venderbosch, Chris Toebes, Hans H. van den Vlekkert, Pepijn W. H. Pinkse, Jelmer J. Renema · Materials for Quantum Technology · 2021
Abstract Photonic processors are pivotal for both quantum and classical information processing tasks using light. In particular, linear optical quantum information processing requires both large-scale and low-loss programmable photonic processors. In this paper, we report the demonstration of the largest universal quantum photonic processor to date: a low-loss 12-mode fully tunable linear interferometer with all-to-all mode coupling based on stoichiometric silicon nitride waveguides.