1. School
of Optoelectronic Information, Chongqing University of Technology, Chongqing 400054, China
2. Institute
of Experimental Physics, University of Gdańsk, 80-952 Gdańsk, Poland
3. College
of Sciences, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
4. Institute
of Physics, University of Tartu, Tartu 50411, Estonia
5. Institute
of Physics, Jan Dlugosz University, Czestochowa PL-42200, Poland
6. Department
of Mechanical Engineering and Graduate Institute of Manufacturing
Technology, National Taipei University of Technology, Taipei 106, Taiwan