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Optimization of the...
Optimization of the efficiency of single-photon sources based on quantum dots under optical excitation
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- Malko, A. (författare)
- Ecole Polytechnique Fédérale de Lausanne
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- Baier, M.H. (författare)
- Ecole Polytechnique Fédérale de Lausanne
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- Karlsson, Fredrik, 1974- (författare)
- Ecole Polytechnique Fédérale de Lausanne
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- Pelucchi, E. (författare)
- Ecole Polytechnique Fédérale de Lausanne
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- Oberli, D.Y. (författare)
- Ecole Polytechnique Fédérale de Lausanne
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- Kapon, E. (författare)
- Ecole Polytechnique Fédérale de Lausanne
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(creator_code:org_t)
- AIP Publishing, 2006
- 2006
- Engelska.
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Ingår i: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 88, s. 081905-
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- We demonstrate efficient, regulated single-photon operation from site-controlled InGaAs quantum dots (QDs) grown on a prepatterned substrate. Under nonresonant optical excitation, carriers trapped at structural or compositional defects of the adjacent nanostructures led to a degradation of the single-photon statistics from a QD. When the QD was excited quasiresonantly, single photons were emitted and a nearly complete suppression of multiphoton emission was achieved, making these QDs promising candidates for effective solid-state single-photon sources
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- NATURAL SCIENCES
- NATURVETENSKAP
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