Highly pure single photon emission from spectrally uniform surface-curvature directed mesa top single quantum dot ordered array

Realizing ordered and spectrally uniform single photon source arrays integrable on-chip with light manipulating elements in a scalable architecture lies at the core of building monolithic quantum optical circuits (QOCs). We demonstrate here a spatially ordered 5 × 8 array of surface-curvature driven...

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Published in:Applied physics letters 2019-02, Vol.114 (7)
Main Authors: Zhang, Jiefei, Chattaraj, Swarnabha, Lu, Siyuan, Madhukar, Anupam
Format: Article
Language:English
Subjects:
Applied physics
Arrays
Curvature
Figure of merit
Fine structure
Gallium arsenide
Indium gallium arsenides
Photoluminescence
Photon emission
Polarization
Quantum dots
Quantum theory
Spectra
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cited_by cdi_FETCH-LOGICAL-c327t-3e164457675143bbff17575bfb58febe31d6acb69a7387077557fa7b92ff7cb83
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container_title Applied physics letters
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creator Zhang, Jiefei
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Madhukar, Anupam
description Realizing ordered and spectrally uniform single photon source arrays integrable on-chip with light manipulating elements in a scalable architecture lies at the core of building monolithic quantum optical circuits (QOCs). We demonstrate here a spatially ordered 5 × 8 array of surface-curvature driven mesa-top GaAs(001)/InGaAs/GaAs single quantum dots (MTSQDs) that exhibit highly pure (∼99%) single photon emission as deduced from the measured g(2)(0) < 0.02 at 9.4 K. Polarization-independent and polarization-resolved high resolution photoluminescence measurements show that these ordered and spectrally uniform QDs have neutral exciton emission with an intrinsic linewidth ∼ 10 μeV and a fine structure splitting
doi_str_mv 10.1063/1.5080746
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subjects Applied physics
Arrays
Curvature
Figure of merit
Fine structure
Gallium arsenide
Indium gallium arsenides
Photoluminescence
Photon emission
Polarization
Quantum dots
Quantum theory
Spectra
title Highly pure single photon emission from spectrally uniform surface-curvature directed mesa top single quantum dot ordered array
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