Four single-spin Rabi oscillations in a quadruple quantum dot

Takumi Ito, Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Akito Noiri, Giles Allison, Arne Ludwig, Andreas D. Wieck, Seigo Tarucha

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5 Citations (Scopus)

Abstract

Scaling up qubits is a necessary step to realize useful systems of quantum computation. Here, we demonstrate coherent manipulations of four individual electron spins using a micro-magnet method in each dot of a quadruple quantum dot - the largest number of dots used for the single spin control in multiple quantum dots. We observe Rabi oscillations for each dot through electron spin resonance, evaluate the spin-electric coupling of the four dots, and finally discuss practical approaches to independently address single spins in multiple quantum dot systems containing even more quantum dots.

Original languageEnglish
Article number093102
JournalApplied Physics Letters
Volume113
Issue number9
DOIs
Publication statusPublished - 2018 Aug 27

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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  • Cite this

    Ito, T., Otsuka, T., Nakajima, T., Delbecq, M. R., Amaha, S., Yoneda, J., Takeda, K., Noiri, A., Allison, G., Ludwig, A., Wieck, A. D., & Tarucha, S. (2018). Four single-spin Rabi oscillations in a quadruple quantum dot. Applied Physics Letters, 113(9), [093102]. https://doi.org/10.1063/1.5040280