Institution: | 1. School of Science, Beijing University of Posts and Telecommunications, No. 10, Xi Tucheng Road, Hai Dian District, Beijing 100876, China;2. Key Laboratory of Information Photonics and Optical Communications (BUPT), Ministry of Education, No. 10, Xi Tucheng Road, Hai Dian District, Beijing 100876, China;1. Engineering Research Center for Optoelectronics of Guangdong Province, South China University of Technology, Guangzhou 510640, China;2. School of Physics and Optoelectronics, South China University of Technology, Guangzhou 510640, China;3. School of Electronics and Information, South China University of Technology, Guangzhou 510640, China;4. School of Electronical Enineering, Dongguan University of Technology, Dongguan 523808, China;1. Institute of Materials Science, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay, Hanoi, Vietnam;2. Faculty of Science and Technology, Hoa Sen University, Ho Chi Minh City, Vietnam;1. Department of Physics, Nanchang University, Nanchang 330031, China;2. Institute of Space Science and Technology, Nanchang University, Nanchang 330031, China;3. Key Laboratory of Artificial Micro- and Nano- Structures of Ministry of Education and School of Physics and Technology, Wuhan University, Wuhan 430072, China;1. Department of Applied Physics, Institute of Nanosensors and Biotechnology, Dankook University, Yongin 448-701, Republic of Korea;2. Korea Institute of Science and Technology, Seoul 136-791, Republic of Korea;3. School of Information and Communications, Gwangju Institute of Science and Technology, Gwangju 500-712, Republic of Korea;4. Department of Applied Physics, The University of Tokyo, Tokyo 113-8654, Japan;5. Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba 277-8581, Japan |