Fiber coupled high count-rate single-photon generated from InAs quantum dots

被引：0
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作者：
Yao Chen [1 ,2 ,3 ]
Shulun Li [3 ,4 ,5 ]
Xiangjun Shang [3 ,4 ,5 ]
Xiangbin Su [3 ,4 ,5 ]
Huiming Hao [3 ,4 ,5 ]
Jiaxin Shen [6 ]
Yu Zhang [3 ,4 ,5 ]
Haiqiao Ni [3 ,4 ,5 ]
Ying Ding [1 ,2 ,3 ]
Zhichuan Niu [3 ,4 ,5 ]
机构：
[1] State Key Laboratory of Photon-Technology in Western China Energy, Northwest University
[2] Institute of Photonics & Photon-Technology, Northwest University
[3] State Key Laboratory for Superlattice and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences
[4] Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences
[5] Beijing Academy of Quantum Information Sciences
[6] School of Microelectronics, Xidian University and The State Key Discipline Laboratory of Wide Band Gap Semiconductor
来源：
Journal of Semiconductors | 2021年 / 07期
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摘要：
In this work, we achieve high count-rate single-photon output in single-mode（SM） optical fiber. Epitaxial and dilute InAs/GaAs quantum dots（QDs） are embedded in a GaAs/AlGaAs distributed Bragg reflector（DBR） with a micro-pillar cavity, so as to improve their light emission extraction in the vertical direction, thereby enhancing the optical SM fiber's collection capability（numerical aperture: 0.13）. By tuning the temperature precisely to make the quantum dot exciton emission resonant to the micro-pillar cavity mode（Q ～ 1800）, we achieve a fiber-output single-photon count rate as high as 4.73 × 106 counts per second, with the second-order auto-correlation g2（0） remaining at 0.08.
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页码：87 / 91
页数：5
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