1. Research Center for Emerging Computing Technologies National Institute of Advanced Industrial Science and Technology (AIST) Tsukuba Ibaraki 305-8568 Japan
2. PRESTO Japan Science and Technology Agency (JST) Saitama 332-0012 Japan
3. Graduate School of Information Science and Technology The University of Tokyo Bunkyo-ku Tokyo 113-8656 Japan
4. Unité Mixte de Physique CNRS, Thales Université Paris-Saclay 91767 Palaiseau France