Funding for this research was provided by:
National Natural Science Foundation of China (41761087)
Natural Science Foundation of Guangxi Province (2017GXNSFAA198162)
Foundation of Guangxi Experiment Center of Information Science (YB1414)
Innovation Project of Guangxi Graduate Education (YCBZ2017051)
Guangxi Colleges emphasis laboratory foster base for optoelectronics information project (GD18108)
Article History
Received: 3 December 2017
Revised: 15 April 2019
Accepted: 23 May 2019
First Online: 11 June 2019