A deterministic quantum dot micropillar single photon source with >65% extraction efficiency based on fluorescence imaging method

We report optical positioning of single quantum dots (QDs) in planar distributed Bragg reflector (DBR) cavity with an average position uncertainty of ≈20 nm using an optimized photoluminescence imaging method. We create single-photon sources based on these QDs in determined micropillar cavities. The...

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Autores principales: Liu, Shunfa, Wei, Yuming, Su, Rongling, Su, Rongbin, Ma, Ben, Chen, Zesheng, Ni, Haiqiao, Niu, Zhichuan, Yu, Ying, Wei, Yujia, Wang, Xuehua, Yu, Siyuan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2017
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5656632/
https://www.ncbi.nlm.nih.gov/pubmed/29070846
http://dx.doi.org/10.1038/s41598-017-13433-w
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author Liu, Shunfa
Wei, Yuming
Su, Rongling
Su, Rongbin
Ma, Ben
Chen, Zesheng
Ni, Haiqiao
Niu, Zhichuan
Yu, Ying
Wei, Yujia
Wang, Xuehua
Yu, Siyuan
author_facet Liu, Shunfa
Wei, Yuming
Su, Rongling
Su, Rongbin
Ma, Ben
Chen, Zesheng
Ni, Haiqiao
Niu, Zhichuan
Yu, Ying
Wei, Yujia
Wang, Xuehua
Yu, Siyuan
author_sort Liu, Shunfa
collection PubMed
description We report optical positioning of single quantum dots (QDs) in planar distributed Bragg reflector (DBR) cavity with an average position uncertainty of ≈20 nm using an optimized photoluminescence imaging method. We create single-photon sources based on these QDs in determined micropillar cavities. The brightness of the QD fluorescence is greatly enhanced on resonance with the fundamental mode of the cavity, leading to an high extraction efficiency of 68% ± 6% into a lens with numerical aperture of 0.65, and simultaneously exhibiting low multi-photon probability (g((2))(0) = 0.144 ± 0.012) at this collection efficiency.
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spelling pubmed-56566322017-10-31 A deterministic quantum dot micropillar single photon source with >65% extraction efficiency based on fluorescence imaging method Liu, Shunfa Wei, Yuming Su, Rongling Su, Rongbin Ma, Ben Chen, Zesheng Ni, Haiqiao Niu, Zhichuan Yu, Ying Wei, Yujia Wang, Xuehua Yu, Siyuan Sci Rep Article We report optical positioning of single quantum dots (QDs) in planar distributed Bragg reflector (DBR) cavity with an average position uncertainty of ≈20 nm using an optimized photoluminescence imaging method. We create single-photon sources based on these QDs in determined micropillar cavities. The brightness of the QD fluorescence is greatly enhanced on resonance with the fundamental mode of the cavity, leading to an high extraction efficiency of 68% ± 6% into a lens with numerical aperture of 0.65, and simultaneously exhibiting low multi-photon probability (g((2))(0) = 0.144 ± 0.012) at this collection efficiency. Nature Publishing Group UK 2017-10-25 /pmc/articles/PMC5656632/ /pubmed/29070846 http://dx.doi.org/10.1038/s41598-017-13433-w Text en © The Author(s) 2017 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 license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license 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 license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Liu, Shunfa
Wei, Yuming
Su, Rongling
Su, Rongbin
Ma, Ben
Chen, Zesheng
Ni, Haiqiao
Niu, Zhichuan
Yu, Ying
Wei, Yujia
Wang, Xuehua
Yu, Siyuan
A deterministic quantum dot micropillar single photon source with >65% extraction efficiency based on fluorescence imaging method
title A deterministic quantum dot micropillar single photon source with >65% extraction efficiency based on fluorescence imaging method
title_full A deterministic quantum dot micropillar single photon source with >65% extraction efficiency based on fluorescence imaging method
title_fullStr A deterministic quantum dot micropillar single photon source with >65% extraction efficiency based on fluorescence imaging method
title_full_unstemmed A deterministic quantum dot micropillar single photon source with >65% extraction efficiency based on fluorescence imaging method
title_short A deterministic quantum dot micropillar single photon source with >65% extraction efficiency based on fluorescence imaging method
title_sort deterministic quantum dot micropillar single photon source with >65% extraction efficiency based on fluorescence imaging method
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5656632/
https://www.ncbi.nlm.nih.gov/pubmed/29070846
http://dx.doi.org/10.1038/s41598-017-13433-w
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