Photon- and phonon-assisted tunneling in the three-dimensional charge stability diagram of a triple quantum dot array

preprint2013arXivOpen access

Abstract

We report both photon- and phonon-assisted tunneling transitions in a linear array of three quantum dots, which can only be understood by considering the full three-dimensionality of the charge stability diagram. Such tunneling transitions potentially contribute to leakage of qubits defined in this system. A detailed understanding of these transitions is important as they become more abundant and complex to analyze as quantum dot arrays are scaled up.

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