Author Affiliations

Yuhang Wang,^1,2 George Y. Chen,^1,2,* and Yiping Wang^1,2

¹Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China.

²Shenzhen Key Laboratory of Photonic Devices and Sensing Systems for Internet of Things, Guangdong and Hong Kong Joint Research Centre for Optical Fiber Sensors, Shenzhen University, Shenzhen 518060, China.

^*Corresponding author: gychen@szu.edu.cn