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Coherent Control of a Single Electron Spin with Electric Fields

Open access
Nowack, K. C., Koppens, F. H. L., Nazarov, Yu. V., Vandersypen, L. M. K.·2007·Science

Abstract

Manipulation of single spins is essential for spin-based quantum information processing. Electrical control instead of magnetic control is particularly appealing for this purpose, because electric fields are easy to generate locally on-chip. We experimentally realized coherent control of a single-electron spin in a quantum dot using an oscillating electric field generated by a local gate. The electric field induced coherent transitions (Rabi oscillations) between spin-up and spin-down with 90° rotations as fast as ∼55 nanoseconds. Our analysis indicated that the electrically induced spin transitions were mediated by the spin-orbit interaction. Taken together with the recently demonstrated coherent exchange of two neighboring spins, our results establish the feasibility of fully electrical manipulation of spin qubits.

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Metadata

Authors
Nowack, K. C., Koppens, F. H. L., Nazarov, Y. V., & Vandersypen, L. M. K.
Venue
Science
Published
2007-11-30
Volume
318
Issue
5855
Pages
1430-1433
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W1965852692
Cited by
1,001
References
0
FWCI
34.63
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Coherent Control of a Single Electron Spin with Electric Fields. https://app.cochat.ai/papers/10.1126/science.1148092
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Nowack, K. C., Koppens, F. H. L., Nazarov, Y. V., & Vandersypen, L. M. K. (2007). Coherent Control of a Single Electron Spin with Electric Fields. Science. https://doi.org/10.1126/science.1148092

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.