A tunable few electron triple quantum dot

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DOIResolve DOI: http://doi.org/10.1063/1.3258663
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TypeArticle
Journal titleApplied Physics Letters
ISSN0003-6951
Volume95
Issue19
Article number193101
SubjectElectron spin qubits; Number of electrons; Quadruple points; Quantum Dot; Quantum information applications; Resonant condition; Triple quantum; Tuning strategy; Charge transfer; Electrons; Ion exchange; Optical waveguides; Quantum optics; Resonant tunneling; Spin dynamics; Semiconductor quantum dots
AbstractIn this paper, we report on a tunable few electron lateral triple quantum dot design. The quantum dot potentials are arranged in series. The device is aimed at studies of triple quantum dot properties where knowing the exact number of electrons is important as well as quantum information applications involving electron spin qubits. We demonstrate tuning strategies for achieving required resonant conditions such as quadruple points where all three quantum dots are on resonance. We find that in such a device resonant conditions at specific configurations are accompanied by complex charge transfer behavior. © 2009 American Institute of Physics.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada
Peer reviewedYes
NPARC number21274603
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Record identifier032a0838-529e-455f-b659-1d76e9b88f8d
Record created2015-03-18
Record modified2016-05-09
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