1. Atomic Molecular and Optical Physics Research Group, Institute for Advanced Study in Technology, Ton Duc Thang University, Ho Chi Minh City, Vietnam
2. Faculty of Electrical and Electronics Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam
3. Faculty of Physics, University of Sciences, Hue University, Hue City, Vietnam
4. Institute of Research and Development, Duy Tan University, Da Nang, Vietnam
5. School of Engineering & Technology, Duy Tan University, Da Nang, Vietnam