Long-range spin wave mediated control of defect qubits in nanodiamonds

Quantum interactions going hybrid: ferromagnetically mediated coupling Hybrid architectures that combine materials and devices with widely different properties promise to be at the forefront of scalable quantum systems by unlocking access to more than the simple sum of their parts. A team led by Dav...

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Main Authors: Paolo Andrich, Charles F. de las Casas, Xiaoying Liu, Hope L. Bretscher, Jonson R. Berman, F. Joseph Heremans, Paul F. Nealey, David D. Awschalom
Format: Article
Language:English
Published: Nature Portfolio 2017-07-01
Series:npj Quantum Information
Online Access:https://doi.org/10.1038/s41534-017-0029-z
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author Paolo Andrich
Charles F. de las Casas
Xiaoying Liu
Hope L. Bretscher
Jonson R. Berman
F. Joseph Heremans
Paul F. Nealey
David D. Awschalom
author_facet Paolo Andrich
Charles F. de las Casas
Xiaoying Liu
Hope L. Bretscher
Jonson R. Berman
F. Joseph Heremans
Paul F. Nealey
David D. Awschalom
author_sort Paolo Andrich
collection DOAJ
description Quantum interactions going hybrid: ferromagnetically mediated coupling Hybrid architectures that combine materials and devices with widely different properties promise to be at the forefront of scalable quantum systems by unlocking access to more than the simple sum of their parts. A team led by David Awschalom at the University of Chicago has now revealed the possibility of using collective spin oscillations in a ferromagnet to mediate long-range, coherent interactions between a microwave source and spin qubits confined in diamond nanoparticles. The strong surface confinement of the ferromagnet excitations and their slow decay result in an effective amplification of the source field over hundreds of micrometers at ambient conditions. This effect can extend the capabilities of solid state qubits for quantum information and nanoscale quantum sensing applications.
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spelling doaj.art-f577e8c37b554da188a50dc11cc3187b2022-12-21T18:01:45ZengNature Portfolionpj Quantum Information2056-63872017-07-01311710.1038/s41534-017-0029-zLong-range spin wave mediated control of defect qubits in nanodiamondsPaolo Andrich0Charles F. de las Casas1Xiaoying Liu2Hope L. Bretscher3Jonson R. Berman4F. Joseph Heremans5Paul F. Nealey6David D. Awschalom7Institute for Molecular Engineering, University of ChicagoInstitute for Molecular Engineering, University of ChicagoInstitute for Molecular Engineering, University of ChicagoInstitute for Molecular Engineering, University of ChicagoInstitute for Molecular Engineering, University of ChicagoInstitute for Molecular Engineering, University of ChicagoInstitute for Molecular Engineering, University of ChicagoInstitute for Molecular Engineering, University of ChicagoQuantum interactions going hybrid: ferromagnetically mediated coupling Hybrid architectures that combine materials and devices with widely different properties promise to be at the forefront of scalable quantum systems by unlocking access to more than the simple sum of their parts. A team led by David Awschalom at the University of Chicago has now revealed the possibility of using collective spin oscillations in a ferromagnet to mediate long-range, coherent interactions between a microwave source and spin qubits confined in diamond nanoparticles. The strong surface confinement of the ferromagnet excitations and their slow decay result in an effective amplification of the source field over hundreds of micrometers at ambient conditions. This effect can extend the capabilities of solid state qubits for quantum information and nanoscale quantum sensing applications.https://doi.org/10.1038/s41534-017-0029-z
spellingShingle Paolo Andrich
Charles F. de las Casas
Xiaoying Liu
Hope L. Bretscher
Jonson R. Berman
F. Joseph Heremans
Paul F. Nealey
David D. Awschalom
Long-range spin wave mediated control of defect qubits in nanodiamonds
npj Quantum Information
title Long-range spin wave mediated control of defect qubits in nanodiamonds
title_full Long-range spin wave mediated control of defect qubits in nanodiamonds
title_fullStr Long-range spin wave mediated control of defect qubits in nanodiamonds
title_full_unstemmed Long-range spin wave mediated control of defect qubits in nanodiamonds
title_short Long-range spin wave mediated control of defect qubits in nanodiamonds
title_sort long range spin wave mediated control of defect qubits in nanodiamonds
url https://doi.org/10.1038/s41534-017-0029-z
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