Figure 4.

A Model for the enhanced coupling between QDs from adjacent QDs. Top shows singly occupied individual QDs, middle shows doubly occupied QDs, and bottom shows exchanging occupations leading to oscillations generally fast oscillations. When a trap serves as an imposter of a QD, telegraph-like slow oscillation occurs [19].

Tsu Nanoscale Research Letters 2011 6:127   doi:10.1186/1556-276X-6-127
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