1. College of Physics and Electronic Information Engineering, Zhejiang Normal University, Jinhua, 321004, Zhejiang, China
2. Printable Electronics Research Center, Nano Devices and Materials Division, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, Jiangsu, China
3. State Key Laboratory of High Power Semiconductor Lasers, Changchun University of Science and Technology, Changchun, 130022, P. R. China
4. Southwest Institute of Technical Physics, Chengdu, 610041, P. R. China