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Bulk AlInAs on InP(111) as a novel material system for pure single photon emission

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Unsleber_2016_Bulk_OpticsExp_AAM.pdf (3.891Mb)
Date
03/10/2016
Author
Unsleber, Sebastian
Deppisch, Michael
Krammel, Christian M.
Vo, Minh
Yerino, Christopher D.
Simmonds, Paul J.
Lee, Minjoo Larry
Koenraad, Paul M.
Schneider, Christian
Hoefling, Sven
Keywords
QC Physics
T Technology
NDAS
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Abstract
In this letter, we report on quantum light emission from bulk AlInAs grown on InP(111) substrates. We observe indium rich clusters in the bulk Al0:48In0:52As (AlInAs), resulting in quantum dot-like energetic traps for charge carriers, which are confirmed via cross-sectional scanning tunnelling microscopy (XSTM) measurements and 6-band k•p simulations. We observe quantum dot (QD)-like emission signals, which appear as sharp lines in our photoluminescence spectra at near infrared wavelengths around 860 nm, and with linewidths as narrow as 50 meV. We demonstrate the capability of this new material system to act as an emitter of pure single photons as we extract g(2)-values as low as g(2)/cw (0) = 0:05+0:17/-0:05 for continuous wave (cw) excitation and g (2) pulsed, corr. = 0:24 ± 0:02 for pulsed excitation.
Citation
Unsleber , S , Deppisch , M , Krammel , C M , Vo , M , Yerino , C D , Simmonds , P J , Lee , M L , Koenraad , P M , Schneider , C & Hoefling , S 2016 , ' Bulk AlInAs on InP(111) as a novel material system for pure single photon emission ' , Optics Express , vol. 24 , no. 20 , pp. 23198-23206 . https://doi.org/10.1364/OE.24.023198
Publication
Optics Express
Status
Peer reviewed
DOI
https://doi.org/10.1364/OE.24.023198
ISSN
1094-4087
Type
Journal article
Rights
© 2016, Optical Society of America. This work is made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at www.osapublishing.org / https://dx.doi.org/10.1364/OE.24.023198
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/9570

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