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Three-level structure design and optically controlled current in coupled quantum dots
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10.1063/1.2743906
/content/aip/journal/apl/90/22/10.1063/1.2743906
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/22/10.1063/1.2743906
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Expected -type level scheme for CQDs. (b) Confining potential model of CQDs. (c) Levels as functions of for CQDs of , , , and . Inset: wave functions of ∣0⟩, ∣1⟩, and ∣2⟩ at and those of ∣0⟩, ∣1⟩ at . (d) Levels as functions of electric field for CQDs of , , , , and .

Image of FIG. 2.
FIG. 2.

(a) Transition matrix elements between ∣0⟩ and ∣2⟩ and between ∣1⟩ and ∣2⟩ for circularly polarized , linearly polarized and linearly polarized microwaves as functions of for CQDs from Fig. 1(c). (b) Currents through CQDs as functions of detuning of microwave 0 with microwave 1 at for five values, as marked in (a). Inset: currents of the five cases with Rabi frequency . (c) Occupation probabilities as functions of for the case 3 and 5 (inset). (d) Current of case 3 as functions of and .

Image of FIG. 3.
FIG. 3.

Currents as functions of polarization direction of linearly polarized microwave with for different values of .

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/content/aip/journal/apl/90/22/10.1063/1.2743906
2007-05-29
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Three-level structure design and optically controlled current in coupled quantum dots
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/22/10.1063/1.2743906
10.1063/1.2743906
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