机译:
Department of Physics Tsinghua University Beijing 100084 China;
Centre for Quantum Technologies National University of Singapore 3 Science Drive 2 117543 Singapore Singapore;
Beijing Academy of Quantum Information Sciences Beijing 100193 China;
Centre for Quantum Technologies National University of Singapore 3 Science Drive 2 117543 Singapore Singapore;
Department of Physics National University of Singapore 2 Science Drive 3 117551 Singapore Singapore;
Department of Physics Tsinghua University Beijing 100084 China;