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Influence of lateral electric fields on multiexcitonic transitions and fine structure of single quantum dots
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10.1063/1.2761522
/content/aip/journal/apl/91/5/10.1063/1.2761522
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/5/10.1063/1.2761522
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) and HRPL setup scheme, including a Fabry-Pérot interferometer (FPI). (b) Photo of the sample surface with Schottky contacts. (c) HRPL measurement of the exciton transition of a single QD. Arrows denote the ortholinear polarization of the FS components.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Power dependence of the PL spectra of a single QD. (b) Intensity of X, T, and XX depending on the applied electric field d=10 μm contact spacing). (c) Stark shift and fit to a purely quadratic field dependence (red solid line) of the exciton (X), the trion (T), and the biexciton (XX).

Image of FIG. 3.
FIG. 3.

(Color online) Top: HRPL traces from the excitonic decay of a single QD ( contact spacing) under ortho-linear polarization detection (denoted by arrows) at bias levels of (zero field) and , respectively. Lower part: excitonic emission fine structure splitting in dependence of the applied bias, clearly reflecting an intermediate FS decrease to .

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/content/aip/journal/apl/91/5/10.1063/1.2761522
2007-07-31
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Influence of lateral electric fields on multiexcitonic transitions and fine structure of single quantum dots
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/5/10.1063/1.2761522
10.1063/1.2761522
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