Wuhan National Laboratory for Optoelectronics;
School of Optical and Electronic Information;
Huazhong University of Science and Technology;
Wuhan 430074;
China;
State Key Laboratory of Optoelectronic Materials and Technologies and School of Physics and Engineering;
Sun Yatsen University;
Guangzhou 510275;
China;
School of Engineering;
University of Glasgow;
Rankine Building;
Oakfield Avenue;
Glasgow G128LT;
UK;
Fiberhome Telecommunication Technologies Co.Ltd;
Wuhan 430074;
China;
fiber-optic communications; fiber vector eigenmode; multiplexing; optical vortex; photonic integrated devices;