1. State Key Laboratory of Information Photonics and Optical Communications and School of ScienceBeijing University of Posts and TelecommunicationsBeijing100876People's Republic of China
2. Hubei Collaborative Innovation Center for Advanced Organic Chemical MaterialsMinistry‐of‐Education Key Laboratory for the Green Preparation and Application of Functional MaterialsFaculty of Materials Science and EngineeringHubei UniversityWuhan430062People's Republic of China
3. Department of Mathematics and PhysicsZhengzhou University of AeronauticsZhengzhou450046People's Republic of China