1. College of Advanced Interdisciplinary StudiesNational University of Defense Technology Changsha 410073 China
2. Key Laboratory of Space Active Opto‐Electronics Technologyand State Key Laboratory of Infrared PhysicsShanghai Institute of Technical PhysicsChinese Academy of Sciences Shanghai 200083 China
3. University of Chinese Academy of SciencesChinese Academy of Sciences Beijing 100049 China
4. Henan Key Laboratory of Diamond Optoelectronic Materials and DevicesSchool of Physics and EngineeringZhengzhou University Zhengzhou 45000 China