1. Cluster for Pioneering Research
2. RIKEN
3. Saitama 351-0198
4. Japan
5. Nishina Center for Accelerator-Based Science
6. Quantum Information and Quantum Biology Division
7. Institute for Open and Transdisciplinary Research Initiatives
8. Osaka University
9. Osaka 560-8531
10. Graduate School of Engineering
11. The University of Tokyo
12. Tokyo 113-8656
13. Center for Advanced Photonics
14. Megaopto Co., Ltd.