State Key Laboratory for Artificial Microstructure and Mesoscopic Physics School of Physics Peking University Beijing 100871 China;
Nano-optoelectronics Frontier Center of the Ministry of Education(NFC-MOE)&Collaborative Innovation Center of Quantum Matter Beijing 100871 China;
Collaborative Innovation Center of Extreme Optics Taiyuan 030006 China;
Beijing Academy of Quantum Information Sciences Beijing 100193 China;