1. Department of Advanced Materials Science and Engineering, Faculty of Engineering Sciences, Kyushu University, Kasuga, Fukuoka 816-8580, Japan
2. Department of Molecular and Material Science, Interdisciplinary Graduate School of Engineering Science, Kyushu University, Kasuga, Fukuoka 816-8580, Japan
3. Center for Quantum Information and Quantum Biology, Institute for Open and Transdisciplinary Research Initiatives, Graduate School of Engineering Science, Osaka University, Osaka 560-8531, Japan