Bright and pure single-photons from quantum dots in micropillar cavities under up-converted excitation

Affiliations

• ¹ State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, School of Physics, Sun Yat-sen University, Guangzhou 510275, China.
• ² State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, School of Physics, Sun Yat-sen University, Guangzhou 510275, China. Electronic address: yuying26@mail.sysu.edu.cn.
• ³ State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, School of Physics, Sun Yat-sen University, Guangzhou 510275, China. Electronic address: liujin23@mail.sysu.edu.cn.
• ⁴ State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, School of Physics, Sun Yat-sen University, Guangzhou 510275, China; Photonics Group, Merchant Venturers School of Engineering, University of Bristol, Bristol BS8 1UB, UK.