Acknowledgments:This paper is based on results obtained from a project, JPNP16007,
commissioned by the New Energy and Industrial Technology Development
Organization (NEDO) and a project, JPMJMS2064, by Japan Science and
Technology Agency (JST) and supported by JSPS KAKENHI Grant Number
JP23K04598. The authors would like to thank Dr. Masahiro Kakuda for the
fruitful discussions on this study.
J. Kwoen, N. Morais, W. Zhan and Y. Arakawa (Institute for Nano Quantum
Information Electronics, The University of Tokyo, 4-6-1 Komaba
Meguro-ku, Tokyo 153-8505, JAPAN)
S. Iwamoto (Research Center for Advanced Science and Technology,
The University of Tokyo, 4-6-1 Komaba Meguro-ku, Tokyo 153-8505, JAPAN)
E-mail: jkkwoen@iis.u-tokyo.ac.jp
The data that support the findings of this study are available on
request from the corresponding author.