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Slow light control with electric fields in vertically coupled InGaAs/GaAs quantum dots
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10.1063/1.2761826
/content/aip/journal/jap/102/2/10.1063/1.2761826
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/2/10.1063/1.2761826
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Schematic of the vertical geometry. An optical pulse transmits an individual QDM. is a bias voltage. (b) Schematic band structure and level configuration of an individual QDM system for the electromagnetically induced transparency (EIT) operation. A pulsed laser excites one electron from the valence band that can tunnel to the other dot. is the system without excitations, and is a pair of electron and hole bound in the upper dot, and is one hole in the upper dot with an electron in the lower dot.

Image of FIG. 2.
FIG. 2.

Real (solid line) and imaginary parts (dashed line) of the dimensionless susceptibility as a function of normalized detuning in the absence of the tunneling.

Image of FIG. 3.
FIG. 3.

Real (solid line) and imaginary parts (dashed line) of the dimensionless susceptibility as a function of normalized detuning in the presence of tunneling. The inset shows a zoom of the graphic for small values of .

Image of FIG. 4.
FIG. 4.

Real (solid line) and imaginary parts (dashed line) of the dimensionless susceptibility as a function of normalized detuning in the presence of tunneling.

Image of FIG. 5.
FIG. 5.

The group-velocity slow-down factor is plotted as a function of the tunneling at three different linewidth values: is 6.6, 26.5, with the assumption .

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/content/aip/journal/jap/102/2/10.1063/1.2761826
2007-07-27
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Slow light control with electric fields in vertically coupled InGaAs/GaAs quantum dots
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/2/10.1063/1.2761826
10.1063/1.2761826
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