Division of Physics and Applied Physics;
School of Physical and Mathematical Sciences;
Nanyang Technological University;
Nanyang;
637371;
Singapore;
State Key Laboratory of Low-Dimensional Quantum Physics and Department of Physics;
Tsinghua University;
Beijing;
100084;
P.R.China;
Beijing Academy of Quantum Information Sciences;
Beijing;
100193;
P.R.China;
Beijing Innovation Center for Future Chips;
Tsinghua University;
Beijing;
100084;
P.R.China;