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Entanglement generation and quantum state transfer between two quantum dot molecules mediated by quantum bus of plasmonic circuits
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10.1063/1.3664637
/content/aip/journal/apl/99/22/10.1063/1.3664637
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/22/10.1063/1.3664637
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Schematic of the system consisting of two QDMs side coupled to a metal NR. (b) The schematic of the lateral geometry of a QDM, where V is a bias voltage. (c) Energy-level configuration of the QDM.

Image of FIG. 2.
FIG. 2.

(Color online) The population dynamics of the system for generating entanglement without decay. (a) The occupations of and . (b) The occupations of and . (c) The fidelity of realization entanglement as a function of gat. In the calculations, gb  = 2.41ga , .

Image of FIG. 3.
FIG. 3.

(Color online) (a)–(e) Fe varies with different parameters in the system. In the calculation, the parameters are the same as used in Fig. 2. (f) Fe vs gat, the parameters are δA  = δB  = 0.1, (solidline), δA  = δB  = 0.5, (dashed line), and δA  = δB  = 0.5, (dashed-dotted line). gb , , , δA , δB , γA , γB are in the units of ga .

Image of FIG. 4.
FIG. 4.

(Color online) The population dynamics of the system for quantum state transfer without decay. (a) The occupations of and . (b) The occupations of and . (c) The fidelity of quantum state transfer as a function of gat. In the calculations, gb  = gaγ, , and .

Image of FIG. 5.
FIG. 5.

(Color online) (a)–(e) Ft varies with different parameters in the system. In the calculation, the parameters are the same as used in Fig. 4. (f) Ft vs gat, the parameters are δA  = δB  = 0.01, (solid line), δA  = δB  = 0.05, (dashed line), and δA  = δB  = 0.05, (dashed-dotted line). gb , , , δA , δB , γA , γB are in the units of ga .

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/content/aip/journal/apl/99/22/10.1063/1.3664637
2011-11-29
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Entanglement generation and quantum state transfer between two quantum dot molecules mediated by quantum bus of plasmonic circuits
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/22/10.1063/1.3664637
10.1063/1.3664637
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