Author(s): M. Valentini, M. W. van Mourik, F. Butt, J. Wahl, M. Dietl, M. Pfeifer, F. Anmasser, Y. Colombe, C. Rössler, P. C. Holz, R. Blatt, A. Bermudez, M. Müller, T. Monz, and P. Schindler A two-dimensional trapped-ion architecture called the quantum spring array offers a novel method for hosting a large quantum computer. [Phys. Rev. X 15, 041023] Published Thu Nov 06, 2025