1. Department of Microelectronic Science and Engineering School of Physical Science and Technology Ningbo University Ningbo China
2. Laboratory of Infrared Material and Devices & Key Laboratory of Photoelectric Materials and Devices of Zhejiang Province Advanced Technology Research Institute Ningbo University Ningbo China
3. Jiangsu Key Laboratory of Advanced Laser Materials and Devices School of Physics and Electronic Engineering Jiangsu Normal University Xuzhou China