1. School of Physical Science and Technology, Xinjiang University, Ürümqi, China
2. School of Physical Science and Technology and the Xinjiang Key Laboratory of Solid State Physics and Devices, Xinjiang University, Xinjiang, Ürümqi, China
3. School of Information Science and Engineering and the Key Laboratory of Signal Detection and Processing, Xinjiang Uygur Autonomous Region, Xinjiang University, Ürümqi, China