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Modulation of single quantum dot energy levels by a surface-acoustic-wave
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10.1063/1.2976135
/content/aip/journal/apl/93/8/10.1063/1.2976135
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/8/10.1063/1.2976135
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

SAW modulated quantum dot. (a) The modulation of the emission energy (blue line) of the quantum dot as a function of time. The green rectangle represents the energy window over which photons are collected. (b) Temporal emission profile. (c) Schematic of the device.

Image of FIG. 2.
FIG. 2.

(a) Change in the dot line structure in the presence of a SAW: thin blue line, no SAW present; thick red line, SAW present with 15 dBm applied to the transducer. (b) and emission lines as a function of the power applied to transducer. The traces have been offset for clarity.

Image of FIG. 3.
FIG. 3.

(a) SAW broadened line (15 dBm). (b) Time resolved PL at the energies marked by the correspondingly colored arrows.

Image of FIG. 4.
FIG. 4.

Correlation measurement of the SAW modulated source: black data points, experimental data; thin blue line, predicted ideal correlation function with lifetime (measured); lifetime (estimated as half ); probability of capturing exciton onto the dot within one (free parameter); background of the area under each peak (assumed to be unmodulated by SAW); SAW (measured); and the time the dot energy spends within the filter bandwidth, each ; thick red line, predicted correlation function after convolution with the system response.

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/content/aip/journal/apl/93/8/10.1063/1.2976135
2008-08-28
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Modulation of single quantum dot energy levels by a surface-acoustic-wave
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/8/10.1063/1.2976135
10.1063/1.2976135
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