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Efficiency vs. multi-photon contribution test for quantum dots

delete2014-02-21
delete36
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OA
AI
A
Ana Predojević *
M
Miroslav Ježek
T
Tobias Huber
H
Harishankar Jayakumar
T
Thomas Kauten
G
Glenn S. Solomon
R
Radim Filip
G
Gregor Weihs
DOI:10.1364/OE.22.004789delete
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Abstract

Abstract

En 中文
The development of linear quantum computing within integrated circuits demands high quality semiconductor single photon sources. In particular, for a reliable single photon source it is not sufficient to have a low multi-photon component, but also to possess high efficiency. We investigate the photon statistics of the emission from a single quantum dot with a method that is able to sensitively detect the trade-off between the efficiency and the multi-photon contribution. Our measurements show, that the light emitted from the quantum dot when it is resonantly excited possess a very low multi-photon content. Additionally, we demonstrated, for the first time, the non-Gaussian nature of the quantum state emitted from a single quantum dot. (C) 2014 Optical Society of America
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Journal

Optics Express cover
Optics Express
IF:
3.3
Papers:
6.1W
Citations:
14.3W

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U
University of Innsbruck
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Palacky University Olomouc
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national institute of standards & technology (nist) - usa
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