1. State Key Laboratory of Infrared Physics and Key Laboratory of Space Active Opto‐Electronics TechnologyShanghai Institute of Technical PhysicsChinese Academy of Sciences Shanghai 200083 China
2. University of Chinese Academy of Sciences Beijing 100049 China
3. Beijing Science and Engineering Center for NanocarbonsBeijing National Laboratory for Molecular Sciences (BNLMS)College of Chemistry and Molecular EngineeringPeking University Beijing 100871 China
4. Department of Materials Science and EngineeringCity University of Hong Kong Hong Kong SAR China
5. Henan Key Laboratory of Diamond Optoelectronic Materials and DevicesSchool of Physics and EngineeringZhengzhou University Zhengzhou 450001 China
6. MOE Key Laboratory of Advanced Micro‐Structured Materials, and Institute of Precision Optical EngineeringSchool of Physics Science and EngineeringTongji University Shanghai 200092 China