About the Authors

Zhiyong Pang

Contributed equally to this work with: Zhiyong Pang, Chuansheng Wei

issthz@mail.sysu.edu.cn (HT); stspzy@mail.sysu.edu.cn (ZP)

Affiliation School of Physics and Engineering, Sun Yat-Sen University, Guangzhou, China

Chuansheng Wei

Contributed equally to this work with: Zhiyong Pang, Chuansheng Wei

Affiliation School of Physics and Engineering, Sun Yat-Sen University, Guangzhou, China

Dongdong Teng

Affiliation School of Physics and Engineering, Sun Yat-Sen University, Guangzhou, China

Dihu Chen

Affiliations School of Physics and Engineering, Sun Yat-Sen University, Guangzhou, China, SYSU-CMU Shunde International Joint Research Institute, Foshan, China

Hongzhou Tan

issthz@mail.sysu.edu.cn (HT); stspzy@mail.sysu.edu.cn (ZP)

Affiliations School of Information Science and Technology, Sun Yat-Sen University, Guangzhou, China, SYSU-CMU Shunde International Joint Research Institute, Foshan, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ZP HT DC. Performed the experiments: CW. Analyzed the data: ZP CW. Contributed reagents/materials/analysis tools: ZP CW. Wrote the paper: ZP DDT CW.