1. Institute of Fiber Optics, Key Laboratory of Specialty Fiber Optics and Optical Access Networks Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication Shanghai Institute for Advanced Communication and Data Science Shanghai University Shanghai 200444 China
2. Key Laboratory of In‐fiber Integrated Optics of Ministry of Education College of Physics and Optoelectronic Engineering Harbin Engineering University Harbin 150001 China
3. Fiber Optical Sensing Center for Excellence Yantai Research Institute Harbin Engineering University Yantai 264000 China
4. Photonics and Optical Communications University of New South Wales Sydney NSW 2052 Australia
5. Key Laboratory for Special Fiber and Fiber Sensor of Hebei Province School of Information Science and Engineering Yanshan University Qinhuangdao 066004 China
6. Laseire Consulting Pty Ltd. Sydney NSW 2006 Australia
7. State Key Laboratory of Information Photonics and Optical Communications Beijing University of Posts and Telecommunications Beijing 100876 China
8. Henan Key Laboratory of Laser and Opto‐electric Information Technology School of Electrical and Information Engineering Zhengzhou University Henan 450052 China