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Controlled generation of neutral, negatively charged and positively charged excitons in the same single quantum dot

Abstract:

We report the generation of neutral, negatively charged and positively charged excitons in the same single InAs quantum dot in a controlled manner. The control parameters of the respective excitons are a vertical electric field, applied to a capacitor-like structure in which the quantum dots are embedded, and optical pump power. We have already established that Coulomb blockade can be exploited to control the charge of excitons containing one hole, the neutral exciton, X0, and the singly nega...

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Publication status:
Published

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Publisher copy:
10.1063/1.1994282

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Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Role:
Author
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Volume:
772
Pages:
667-668
Publication date:
2005-01-01
DOI:
EISSN:
1551-7616
ISSN:
0094-243X
URN:
uuid:4398b1a7-5df8-47eb-9297-587f13011644
Source identifiers:
135244
Local pid:
pubs:135244
ISBN:
0-7354-0257-4

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