Telecommunication Wavelength-Band Single-Photon Emission from Single Large InAs Quantum Dots Nucleated on Low-Density Seed Quantum Dots

Single-photon emission in the telecommunication wavelength band is realized with self-assembled strain-coupled bilayer InAs quantum dots (QDs) embedded in a planar microcavity on GaAs substrate. Low-density large QDs in the upper layer active for ~1.3 μm emission are fabricated by precisely controll...

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Autores principales: Chen, Ze-Sheng, Ma, Ben, Shang, Xiang-Jun, He, Yu, Zhang, Li-Chun, Ni, Hai-Qiao, Wang, Jin-Liang, Niu, Zhi-Chuan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer US 2016
Materias:
Nano Express
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5005251/
https://www.ncbi.nlm.nih.gov/pubmed/27576522
http://dx.doi.org/10.1186/s11671-016-1597-0
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author Chen, Ze-Sheng
Ma, Ben
Shang, Xiang-Jun
He, Yu
Zhang, Li-Chun
Ni, Hai-Qiao
Wang, Jin-Liang
Niu, Zhi-Chuan
author_facet Chen, Ze-Sheng
Ma, Ben
Shang, Xiang-Jun
He, Yu
Zhang, Li-Chun
Ni, Hai-Qiao
Wang, Jin-Liang
Niu, Zhi-Chuan
author_sort Chen, Ze-Sheng
collection PubMed
description Single-photon emission in the telecommunication wavelength band is realized with self-assembled strain-coupled bilayer InAs quantum dots (QDs) embedded in a planar microcavity on GaAs substrate. Low-density large QDs in the upper layer active for ~1.3 μm emission are fabricated by precisely controlling the indium deposition amount and applying a gradient indium flux in both QD layers. Time-resolved photoluminescence (PL) intensity suggested that the radiative lifetime of their exciton emission is 1.5~1.6 ns. The second-order correlation function of g(2)(0) < 0.5 which demonstrates a pure single-photon emission.
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spelling pubmed-50052512016-09-22 Telecommunication Wavelength-Band Single-Photon Emission from Single Large InAs Quantum Dots Nucleated on Low-Density Seed Quantum Dots Chen, Ze-Sheng Ma, Ben Shang, Xiang-Jun He, Yu Zhang, Li-Chun Ni, Hai-Qiao Wang, Jin-Liang Niu, Zhi-Chuan Nanoscale Res Lett Nano Express Single-photon emission in the telecommunication wavelength band is realized with self-assembled strain-coupled bilayer InAs quantum dots (QDs) embedded in a planar microcavity on GaAs substrate. Low-density large QDs in the upper layer active for ~1.3 μm emission are fabricated by precisely controlling the indium deposition amount and applying a gradient indium flux in both QD layers. Time-resolved photoluminescence (PL) intensity suggested that the radiative lifetime of their exciton emission is 1.5~1.6 ns. The second-order correlation function of g(2)(0) < 0.5 which demonstrates a pure single-photon emission. Springer US 2016-08-30 /pmc/articles/PMC5005251/ /pubmed/27576522 http://dx.doi.org/10.1186/s11671-016-1597-0 Text en © The Author(s). 2016 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided 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.
spellingShingle Nano Express
Chen, Ze-Sheng
Ma, Ben
Shang, Xiang-Jun
He, Yu
Zhang, Li-Chun
Ni, Hai-Qiao
Wang, Jin-Liang
Niu, Zhi-Chuan
Telecommunication Wavelength-Band Single-Photon Emission from Single Large InAs Quantum Dots Nucleated on Low-Density Seed Quantum Dots
title Telecommunication Wavelength-Band Single-Photon Emission from Single Large InAs Quantum Dots Nucleated on Low-Density Seed Quantum Dots
title_full Telecommunication Wavelength-Band Single-Photon Emission from Single Large InAs Quantum Dots Nucleated on Low-Density Seed Quantum Dots
title_fullStr Telecommunication Wavelength-Band Single-Photon Emission from Single Large InAs Quantum Dots Nucleated on Low-Density Seed Quantum Dots
title_full_unstemmed Telecommunication Wavelength-Band Single-Photon Emission from Single Large InAs Quantum Dots Nucleated on Low-Density Seed Quantum Dots
title_short Telecommunication Wavelength-Band Single-Photon Emission from Single Large InAs Quantum Dots Nucleated on Low-Density Seed Quantum Dots
title_sort telecommunication wavelength-band single-photon emission from single large inas quantum dots nucleated on low-density seed quantum dots
topic Nano Express
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5005251/
https://www.ncbi.nlm.nih.gov/pubmed/27576522
http://dx.doi.org/10.1186/s11671-016-1597-0
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