1. Department of Physics and Center for Quantum Frontiers of Research & Technology (QFort), National Cheng Kung University, Tainan 701, Taiwan
2. Physics Division, National Center for Theoretical Sciences, Taipei 10617, Taiwan
3. Center for Quantum Technology, National Tsing Hua University, Hsinchu 300, Taiwan
4. Center for Theoretical Physics, Polish Academy of Sciences, Aleja Lotników 32/46, 02-668 Warsaw, Poland
5. Department of Physics and Center for Quantum Information Science, National Cheng Kung University, Tainan 70101, Taiwan
6. Department of Physics, Tamkang University, Tamsui, New Taipei 251301, Taiwan