1. MOE Key Laboratory of New Processing Technology for Non-ferrous Metals and Materials and Guangxi Key Laboratory of Processing for Non-ferrous Metals and Featured Materials School of Physical Science and Technology Guangxi University Nanning 530004 China
2. Ultrafast Optics and Nanophotonics Laboratory Department of Electrical and Computer Engineering University of Alberta Edmonton Alberta T6G 2V4 Canada
3. Department of Chemistry and Physics Louisiana State University Shreveport LA 71115 USA
4. Optics and Thermal Radiation Research Center Institute of Frontier & Interdisciplinary Science Shandong University Qingdao 266237 China