1. School of Optical and Electronic Information, and Wuhan National Laboratory for Optoelectronics Huazhong University of Science and Technology Wuhan Hubei 430074 China
2. Department of Engineering Science and Mechanics The Pennsylvania State University University Park PA 16802 USA
3. Department of Engineering Mechanics School of Civil Engineering Wuhan University Wuhan 430072 China
4. Key Laboratory of Optoelectronic Material and Device Department of Physics Shanghai Normal University Shanghai 200234 China
5. State Key Laboratory of Water Resources and Hydropower Engineering Science Wuhan University Wuhan 430072 China
6. Department of Materials Science and Engineering The Pennsylvania State University University Park PA 16802 USA