1. School of Science, Changchun University of Science and Technology, 7089 Weixing Road, Changchun, JL 130022, China
2. Jilin Sino-Microelectronics Co. Ltd, 99 Shenzhen Street, Jilin, JL 130031, China
3. Centre for Research in Photonics, University of Ottawa, 25 Templeton Street, Ottawa, ON K1N 6N5, Canada