About the Authors

Tongqing Sun

suntq@nankai.edu.cn

Affiliations The MOE Key Laboratory of Weak-Light Nonlinear Photonics, Nankai University, Tianjin, People’s Republic of China, School of Physics, Nankai University, Tianjin, People′s Republic of China

Yu Zhang

Affiliation School of Physics, Nankai University, Tianjin, People′s Republic of China

Pai Shan

Affiliation School of Physics, Nankai University, Tianjin, People′s Republic of China

Zichang Zhang

Affiliation School of Physics, Nankai University, Tianjin, People′s Republic of China

Shaolin Chen

Affiliations The MOE Key Laboratory of Weak-Light Nonlinear Photonics, Nankai University, Tianjin, People’s Republic of China, TEDA Applied Physics Institute, Nankai University, Tianjin, People’s Republic of China

Yongfa Kong

Affiliations The MOE Key Laboratory of Weak-Light Nonlinear Photonics, Nankai University, Tianjin, People’s Republic of China, School of Physics, Nankai University, Tianjin, People′s Republic of China, TEDA Applied Physics Institute, Nankai University, Tianjin, People’s Republic of China

Jingjun Xu

Affiliations The MOE Key Laboratory of Weak-Light Nonlinear Photonics, Nankai University, Tianjin, People’s Republic of China, School of Physics, Nankai University, Tianjin, People′s Republic of China, TEDA Applied Physics Institute, Nankai University, Tianjin, People’s Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TS YK JX. Performed the experiments: TS YZ. Analyzed the data: TS YZ PS ZZ. Contributed reagents/materials/analysis tools: TS SC. Wrote the paper: TS.