A. Chiu, J. Guo, M. Abobeih, L. Stewart, S. Hollerith, P. Stroganov, M. Kalinowski, A. Geim, S. Evered, S. Li, D. Bluvstein, T. Wang, M. Greiner, V. Vuletic, M. Lukin, Elias C. Trapp, Xingjian Lyu, Lisa M. Peters Continuous operation of a coherent 3,000-qubit system 2025