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

被引：0

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

共 50 条

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