Swapα gate in the presence of spin-orbit coupling in coupled quantum dots

Yue Zhou; Guo Feng Zhang

doi:10.1016/j.optcom.2013.11.051

Swap^α gate in the presence of spin-orbit coupling in coupled quantum dots

Yue Zhou
, Guo Feng Zhang^*

^*Corresponding author for this work

School of Physics

Beijing Forestry University

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

5 Scopus citations

Abstract

In this paper we study the influence of the Dzyaloshinskii-Moriya (DM) interaction on the (swap)^α operation of spin qubits in two coupled quantum dots. It is shown that a sequence of single-qubit rotations as well as properly chosen width and strength of the exchange coupling pulse are effective to correct the error caused by the DM term. Depending on the amplitude of the DM interaction, the operation error is either fully or partly correctable.

Original language	English
Pages (from-to)	22-25
Number of pages	4
Journal	Optics Communications
Volume	316
DOIs	https://doi.org/10.1016/j.optcom.2013.11.051
State	Published - 1 Apr 2014

Keywords

(swap) gate
Dzyaloshinskii-Moriya interaction
Quantum dot

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10.1016/j.optcom.2013.11.051

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abstract = "In this paper we study the influence of the Dzyaloshinskii-Moriya (DM) interaction on the (swap)α operation of spin qubits in two coupled quantum dots. It is shown that a sequence of single-qubit rotations as well as properly chosen width and strength of the exchange coupling pulse are effective to correct the error caused by the DM term. Depending on the amplitude of the DM interaction, the operation error is either fully or partly correctable.",

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N2 - In this paper we study the influence of the Dzyaloshinskii-Moriya (DM) interaction on the (swap)α operation of spin qubits in two coupled quantum dots. It is shown that a sequence of single-qubit rotations as well as properly chosen width and strength of the exchange coupling pulse are effective to correct the error caused by the DM term. Depending on the amplitude of the DM interaction, the operation error is either fully or partly correctable.

AB - In this paper we study the influence of the Dzyaloshinskii-Moriya (DM) interaction on the (swap)α operation of spin qubits in two coupled quantum dots. It is shown that a sequence of single-qubit rotations as well as properly chosen width and strength of the exchange coupling pulse are effective to correct the error caused by the DM term. Depending on the amplitude of the DM interaction, the operation error is either fully or partly correctable.

KW - (swap) gate

KW - Dzyaloshinskii-Moriya interaction

KW - Quantum dot

UR - https://www.scopus.com/pages/publications/84891327271

U2 - 10.1016/j.optcom.2013.11.051

DO - 10.1016/j.optcom.2013.11.051

M3 - 文章

AN - SCOPUS:84891327271

SN - 0030-4018

VL - 316

SP - 22

EP - 25

JO - Optics Communications

JF - Optics Communications

ER -

Swap^α gate in the presence of spin-orbit coupling in coupled quantum dots

Abstract

Keywords

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