Boost of single-photon emission by perfect coupling of InAs/GaAs quantum dot and micropillar cavity mode

We proposed a precise calibration process of Al (0.9)Ga(0.1)As/GaAs DBR micropillar cavity to match the single InAs/GaAs quantum dot (QD) exciton emission and achieve cavity mode resonance and a great enhancement of QD photoluminescence (PL) intensity. Light-matter interaction of single QD in DBR mi...

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Autores principales: Li, Shulun, Chen, Yao, Shang, Xiangjun, Yu, Ying, Yang, Jiawei, Huang, Junhui, Su, Xiangbin, Shen, Jiaxin, Sun, Baoquan, Ni, Haiqiao, Su, Xingliang, Wang, Kaiyou, Niu, Zhichuan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer US 2020
Materias:
Nano Express
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7347735/
https://www.ncbi.nlm.nih.gov/pubmed/32648067
http://dx.doi.org/10.1186/s11671-020-03358-1
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author Li, Shulun
Chen, Yao
Shang, Xiangjun
Yu, Ying
Yang, Jiawei
Huang, Junhui
Su, Xiangbin
Shen, Jiaxin
Sun, Baoquan
Ni, Haiqiao
Su, Xingliang
Wang, Kaiyou
Niu, Zhichuan
author_facet Li, Shulun
Chen, Yao
Shang, Xiangjun
Yu, Ying
Yang, Jiawei
Huang, Junhui
Su, Xiangbin
Shen, Jiaxin
Sun, Baoquan
Ni, Haiqiao
Su, Xingliang
Wang, Kaiyou
Niu, Zhichuan
author_sort Li, Shulun
collection PubMed
description We proposed a precise calibration process of Al (0.9)Ga(0.1)As/GaAs DBR micropillar cavity to match the single InAs/GaAs quantum dot (QD) exciton emission and achieve cavity mode resonance and a great enhancement of QD photoluminescence (PL) intensity. Light-matter interaction of single QD in DBR micropillar cavity (Q ∼ 3800) under weak coupling regime was investigated by temperature-tuned PL spectra; a pronounced enhancement (14.6-fold) of QD exciton emission was observed on resonance. The second-order autocorrelation measurement shows g((2))(0)=0.070, and the estimated net count rate before the first objective lens reaches 1.6×10(7) counts/s under continuous wave excitation, indicating highly pure single-photon emission at high count rates.
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spelling pubmed-73477352020-07-13 Boost of single-photon emission by perfect coupling of InAs/GaAs quantum dot and micropillar cavity mode Li, Shulun Chen, Yao Shang, Xiangjun Yu, Ying Yang, Jiawei Huang, Junhui Su, Xiangbin Shen, Jiaxin Sun, Baoquan Ni, Haiqiao Su, Xingliang Wang, Kaiyou Niu, Zhichuan Nanoscale Res Lett Nano Express We proposed a precise calibration process of Al (0.9)Ga(0.1)As/GaAs DBR micropillar cavity to match the single InAs/GaAs quantum dot (QD) exciton emission and achieve cavity mode resonance and a great enhancement of QD photoluminescence (PL) intensity. Light-matter interaction of single QD in DBR micropillar cavity (Q ∼ 3800) under weak coupling regime was investigated by temperature-tuned PL spectra; a pronounced enhancement (14.6-fold) of QD exciton emission was observed on resonance. The second-order autocorrelation measurement shows g((2))(0)=0.070, and the estimated net count rate before the first objective lens reaches 1.6×10(7) counts/s under continuous wave excitation, indicating highly pure single-photon emission at high count rates. Springer US 2020-07-09 /pmc/articles/PMC7347735/ /pubmed/32648067 http://dx.doi.org/10.1186/s11671-020-03358-1 Text en © The Author(s) 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Nano Express
Li, Shulun
Chen, Yao
Shang, Xiangjun
Yu, Ying
Yang, Jiawei
Huang, Junhui
Su, Xiangbin
Shen, Jiaxin
Sun, Baoquan
Ni, Haiqiao
Su, Xingliang
Wang, Kaiyou
Niu, Zhichuan
Boost of single-photon emission by perfect coupling of InAs/GaAs quantum dot and micropillar cavity mode
title Boost of single-photon emission by perfect coupling of InAs/GaAs quantum dot and micropillar cavity mode
title_full Boost of single-photon emission by perfect coupling of InAs/GaAs quantum dot and micropillar cavity mode
title_fullStr Boost of single-photon emission by perfect coupling of InAs/GaAs quantum dot and micropillar cavity mode
title_full_unstemmed Boost of single-photon emission by perfect coupling of InAs/GaAs quantum dot and micropillar cavity mode
title_short Boost of single-photon emission by perfect coupling of InAs/GaAs quantum dot and micropillar cavity mode
title_sort boost of single-photon emission by perfect coupling of inas/gaas quantum dot and micropillar cavity mode
topic Nano Express
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7347735/
https://www.ncbi.nlm.nih.gov/pubmed/32648067
http://dx.doi.org/10.1186/s11671-020-03358-1
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