Exchange-controlled single-electron-spin rotations in quantum dots

W. A. Coish; Daniel Loss

doi:10.1103/PhysRevB.75.161302

Exchange-controlled single-electron-spin rotations in quantum dots

W. A. Coish^*
, Daniel Loss

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

32 Scopus citations

Abstract

We show theoretically that arbitrary coherent rotations can be performed quickly (with a gating time ∼1 ns) and with high fidelity on the spin of a single confined electron using control of exchange only, without the need for spin-orbit coupling or ac fields. We expect that implementations of this scheme would achieve gate error rates on the order of η 10-3 in GaAs quantum dots, within reach of several known error-correction protocols.

Original language	English
Article number	161302
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	75
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevB.75.161302
State	Published - 20 Apr 2007
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.75.161302

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title = "Exchange-controlled single-electron-spin rotations in quantum dots",

abstract = "We show theoretically that arbitrary coherent rotations can be performed quickly (with a gating time ∼1 ns) and with high fidelity on the spin of a single confined electron using control of exchange only, without the need for spin-orbit coupling or ac fields. We expect that implementations of this scheme would achieve gate error rates on the order of η 10-3 in GaAs quantum dots, within reach of several known error-correction protocols.",

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AB - We show theoretically that arbitrary coherent rotations can be performed quickly (with a gating time ∼1 ns) and with high fidelity on the spin of a single confined electron using control of exchange only, without the need for spin-orbit coupling or ac fields. We expect that implementations of this scheme would achieve gate error rates on the order of η 10-3 in GaAs quantum dots, within reach of several known error-correction protocols.

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DO - 10.1103/PhysRevB.75.161302

M3 - Article

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JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

IS - 16

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Exchange-controlled single-electron-spin rotations in quantum dots

Abstract

ASJC Scopus subject areas

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