School of Physics Northwest University Xi'an 710127 China;
Institute of Photonics & Photon-Technology Northwest University Xi'an 710127 China;
School of Mechanical and Electrical Engineering Henan Institute of Science and Technology Xinxiang 453003 China;
School of Physics Northwest University Xi'an 710127 China;
Institute of Photonics & Photon-Technology Northwest University Xi'an 710127 China;
School of Physics Northwest University Xi'an 710127 China;