1. Quanzhou Institute of Equipment ManufacturingHaixi Institutes, Chinese Academy of SciencesFujianPeople's Republic of China
2. Key Laboratory of OptoElectronic Science and Technology for Medicine of Ministry of EducationFujian Normal UniversityFujianPeople's Republic of China
3. Optical Communications Research GroupFaculty of Engineering and EnvironmentNorthumbria UniversityNewcastleUK