Extending the coherence of spin defects in hBN enables advanced qubit control and quantum sensing

Abstract Negatively-charged boron vacancy centers ( $${{V}_{B}}^{-}$$ V B − ) in hexagonal Boron Nitride (hBN) are attracting increasing interest since they represent optically-addressable qubits in a van der Waals material. In particular, these spin defects have shown promise as sensors for tempera...
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Autor*in:	Roberto Rizzato [verfasserIn] Martin Schalk [verfasserIn] Stephan Mohr [verfasserIn] Jens C. Hermann [verfasserIn] Joachim P. Leibold [verfasserIn] Fleming Bruckmaier [verfasserIn] Giovanna Salvitti [verfasserIn] Chenjiang Qian [verfasserIn] Peirui Ji [verfasserIn] Georgy V. Astakhov [verfasserIn] Ulrich Kentsch [verfasserIn] Manfred Helm [verfasserIn] Andreas V. Stier [verfasserIn] Jonathan J. Finley [verfasserIn] Dominik B. Bucher [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Übergeordnetes Werk:	In: Nature Communications - Nature Portfolio, 2016, 14(2023), 1, Seite 9
Übergeordnetes Werk:	volume:14 ; year:2023 ; number:1 ; pages:9

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1038/s41467-023-40473-w

Katalog-ID:	DOAJ092900038

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allfields	10.1038/s41467-023-40473-w doi (DE-627)DOAJ092900038 (DE-599)DOAJ13c3dba96ee046aca3109a6f87d59e18 DE-627 ger DE-627 rakwb eng Roberto Rizzato verfasserin aut Extending the coherence of spin defects in hBN enables advanced qubit control and quantum sensing 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Negatively-charged boron vacancy centers ( $${{V}_{B}}^{-}$$ V B − ) in hexagonal Boron Nitride (hBN) are attracting increasing interest since they represent optically-addressable qubits in a van der Waals material. In particular, these spin defects have shown promise as sensors for temperature, pressure, and static magnetic fields. However, their short spin coherence time limits their scope for quantum technology. Here, we apply dynamical decoupling techniques to suppress magnetic noise and extend the spin coherence time by two orders of magnitude, approaching the fundamental T 1 relaxation limit. Based on this improvement, we demonstrate advanced spin control and a set of quantum sensing protocols to detect radiofrequency signals with sub-Hz resolution. The corresponding sensitivity is benchmarked against that of state-of-the-art NV-diamond quantum sensors. This work lays the foundation for nanoscale sensing using spin defects in an exfoliable material and opens a promising path to quantum sensors and quantum networks integrated into ultra-thin structures. Science Q Martin Schalk verfasserin aut Stephan Mohr verfasserin aut Jens C. Hermann verfasserin aut Joachim P. Leibold verfasserin aut Fleming Bruckmaier verfasserin aut Giovanna Salvitti verfasserin aut Chenjiang Qian verfasserin aut Peirui Ji verfasserin aut Georgy V. Astakhov verfasserin aut Ulrich Kentsch verfasserin aut Manfred Helm verfasserin aut Andreas V. Stier verfasserin aut Jonathan J. Finley verfasserin aut Dominik B. Bucher verfasserin aut In Nature Communications Nature Portfolio, 2016 14(2023), 1, Seite 9 (DE-627)626457688 (DE-600)2553671-0 20411723 nnns volume:14 year:2023 number:1 pages:9 https://doi.org/10.1038/s41467-023-40473-w kostenfrei https://doaj.org/article/13c3dba96ee046aca3109a6f87d59e18 kostenfrei https://doi.org/10.1038/s41467-023-40473-w kostenfrei https://doaj.org/toc/2041-1723 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_211 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2110 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2023 1 9
spelling	10.1038/s41467-023-40473-w doi (DE-627)DOAJ092900038 (DE-599)DOAJ13c3dba96ee046aca3109a6f87d59e18 DE-627 ger DE-627 rakwb eng Roberto Rizzato verfasserin aut Extending the coherence of spin defects in hBN enables advanced qubit control and quantum sensing 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Negatively-charged boron vacancy centers ( $${{V}_{B}}^{-}$$ V B − ) in hexagonal Boron Nitride (hBN) are attracting increasing interest since they represent optically-addressable qubits in a van der Waals material. In particular, these spin defects have shown promise as sensors for temperature, pressure, and static magnetic fields. However, their short spin coherence time limits their scope for quantum technology. Here, we apply dynamical decoupling techniques to suppress magnetic noise and extend the spin coherence time by two orders of magnitude, approaching the fundamental T 1 relaxation limit. Based on this improvement, we demonstrate advanced spin control and a set of quantum sensing protocols to detect radiofrequency signals with sub-Hz resolution. The corresponding sensitivity is benchmarked against that of state-of-the-art NV-diamond quantum sensors. This work lays the foundation for nanoscale sensing using spin defects in an exfoliable material and opens a promising path to quantum sensors and quantum networks integrated into ultra-thin structures. Science Q Martin Schalk verfasserin aut Stephan Mohr verfasserin aut Jens C. Hermann verfasserin aut Joachim P. Leibold verfasserin aut Fleming Bruckmaier verfasserin aut Giovanna Salvitti verfasserin aut Chenjiang Qian verfasserin aut Peirui Ji verfasserin aut Georgy V. Astakhov verfasserin aut Ulrich Kentsch verfasserin aut Manfred Helm verfasserin aut Andreas V. Stier verfasserin aut Jonathan J. Finley verfasserin aut Dominik B. Bucher verfasserin aut In Nature Communications Nature Portfolio, 2016 14(2023), 1, Seite 9 (DE-627)626457688 (DE-600)2553671-0 20411723 nnns volume:14 year:2023 number:1 pages:9 https://doi.org/10.1038/s41467-023-40473-w kostenfrei https://doaj.org/article/13c3dba96ee046aca3109a6f87d59e18 kostenfrei https://doi.org/10.1038/s41467-023-40473-w kostenfrei https://doaj.org/toc/2041-1723 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_211 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2110 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2023 1 9
allfields_unstemmed	10.1038/s41467-023-40473-w doi (DE-627)DOAJ092900038 (DE-599)DOAJ13c3dba96ee046aca3109a6f87d59e18 DE-627 ger DE-627 rakwb eng Roberto Rizzato verfasserin aut Extending the coherence of spin defects in hBN enables advanced qubit control and quantum sensing 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Negatively-charged boron vacancy centers ( $${{V}_{B}}^{-}$$ V B − ) in hexagonal Boron Nitride (hBN) are attracting increasing interest since they represent optically-addressable qubits in a van der Waals material. In particular, these spin defects have shown promise as sensors for temperature, pressure, and static magnetic fields. However, their short spin coherence time limits their scope for quantum technology. Here, we apply dynamical decoupling techniques to suppress magnetic noise and extend the spin coherence time by two orders of magnitude, approaching the fundamental T 1 relaxation limit. Based on this improvement, we demonstrate advanced spin control and a set of quantum sensing protocols to detect radiofrequency signals with sub-Hz resolution. The corresponding sensitivity is benchmarked against that of state-of-the-art NV-diamond quantum sensors. This work lays the foundation for nanoscale sensing using spin defects in an exfoliable material and opens a promising path to quantum sensors and quantum networks integrated into ultra-thin structures. Science Q Martin Schalk verfasserin aut Stephan Mohr verfasserin aut Jens C. Hermann verfasserin aut Joachim P. Leibold verfasserin aut Fleming Bruckmaier verfasserin aut Giovanna Salvitti verfasserin aut Chenjiang Qian verfasserin aut Peirui Ji verfasserin aut Georgy V. Astakhov verfasserin aut Ulrich Kentsch verfasserin aut Manfred Helm verfasserin aut Andreas V. Stier verfasserin aut Jonathan J. Finley verfasserin aut Dominik B. Bucher verfasserin aut In Nature Communications Nature Portfolio, 2016 14(2023), 1, Seite 9 (DE-627)626457688 (DE-600)2553671-0 20411723 nnns volume:14 year:2023 number:1 pages:9 https://doi.org/10.1038/s41467-023-40473-w kostenfrei https://doaj.org/article/13c3dba96ee046aca3109a6f87d59e18 kostenfrei https://doi.org/10.1038/s41467-023-40473-w kostenfrei https://doaj.org/toc/2041-1723 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_211 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2110 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2023 1 9
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allfieldsSound	10.1038/s41467-023-40473-w doi (DE-627)DOAJ092900038 (DE-599)DOAJ13c3dba96ee046aca3109a6f87d59e18 DE-627 ger DE-627 rakwb eng Roberto Rizzato verfasserin aut Extending the coherence of spin defects in hBN enables advanced qubit control and quantum sensing 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Negatively-charged boron vacancy centers ( $${{V}_{B}}^{-}$$ V B − ) in hexagonal Boron Nitride (hBN) are attracting increasing interest since they represent optically-addressable qubits in a van der Waals material. In particular, these spin defects have shown promise as sensors for temperature, pressure, and static magnetic fields. However, their short spin coherence time limits their scope for quantum technology. Here, we apply dynamical decoupling techniques to suppress magnetic noise and extend the spin coherence time by two orders of magnitude, approaching the fundamental T 1 relaxation limit. Based on this improvement, we demonstrate advanced spin control and a set of quantum sensing protocols to detect radiofrequency signals with sub-Hz resolution. The corresponding sensitivity is benchmarked against that of state-of-the-art NV-diamond quantum sensors. This work lays the foundation for nanoscale sensing using spin defects in an exfoliable material and opens a promising path to quantum sensors and quantum networks integrated into ultra-thin structures. Science Q Martin Schalk verfasserin aut Stephan Mohr verfasserin aut Jens C. Hermann verfasserin aut Joachim P. Leibold verfasserin aut Fleming Bruckmaier verfasserin aut Giovanna Salvitti verfasserin aut Chenjiang Qian verfasserin aut Peirui Ji verfasserin aut Georgy V. Astakhov verfasserin aut Ulrich Kentsch verfasserin aut Manfred Helm verfasserin aut Andreas V. Stier verfasserin aut Jonathan J. Finley verfasserin aut Dominik B. Bucher verfasserin aut In Nature Communications Nature Portfolio, 2016 14(2023), 1, Seite 9 (DE-627)626457688 (DE-600)2553671-0 20411723 nnns volume:14 year:2023 number:1 pages:9 https://doi.org/10.1038/s41467-023-40473-w kostenfrei https://doaj.org/article/13c3dba96ee046aca3109a6f87d59e18 kostenfrei https://doi.org/10.1038/s41467-023-40473-w kostenfrei https://doaj.org/toc/2041-1723 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_211 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2110 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2023 1 9
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author	Roberto Rizzato
spellingShingle	Roberto Rizzato misc Science misc Q Extending the coherence of spin defects in hBN enables advanced qubit control and quantum sensing
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topic_title	Extending the coherence of spin defects in hBN enables advanced qubit control and quantum sensing
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title	Extending the coherence of spin defects in hBN enables advanced qubit control and quantum sensing
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title_full	Extending the coherence of spin defects in hBN enables advanced qubit control and quantum sensing
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author_browse	Roberto Rizzato Martin Schalk Stephan Mohr Jens C. Hermann Joachim P. Leibold Fleming Bruckmaier Giovanna Salvitti Chenjiang Qian Peirui Ji Georgy V. Astakhov Ulrich Kentsch Manfred Helm Andreas V. Stier Jonathan J. Finley Dominik B. Bucher
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title_sort	extending the coherence of spin defects in hbn enables advanced qubit control and quantum sensing
title_auth	Extending the coherence of spin defects in hBN enables advanced qubit control and quantum sensing
abstract	Abstract Negatively-charged boron vacancy centers ( $${{V}_{B}}^{-}$$ V B − ) in hexagonal Boron Nitride (hBN) are attracting increasing interest since they represent optically-addressable qubits in a van der Waals material. In particular, these spin defects have shown promise as sensors for temperature, pressure, and static magnetic fields. However, their short spin coherence time limits their scope for quantum technology. Here, we apply dynamical decoupling techniques to suppress magnetic noise and extend the spin coherence time by two orders of magnitude, approaching the fundamental T 1 relaxation limit. Based on this improvement, we demonstrate advanced spin control and a set of quantum sensing protocols to detect radiofrequency signals with sub-Hz resolution. The corresponding sensitivity is benchmarked against that of state-of-the-art NV-diamond quantum sensors. This work lays the foundation for nanoscale sensing using spin defects in an exfoliable material and opens a promising path to quantum sensors and quantum networks integrated into ultra-thin structures.
abstractGer	Abstract Negatively-charged boron vacancy centers ( $${{V}_{B}}^{-}$$ V B − ) in hexagonal Boron Nitride (hBN) are attracting increasing interest since they represent optically-addressable qubits in a van der Waals material. In particular, these spin defects have shown promise as sensors for temperature, pressure, and static magnetic fields. However, their short spin coherence time limits their scope for quantum technology. Here, we apply dynamical decoupling techniques to suppress magnetic noise and extend the spin coherence time by two orders of magnitude, approaching the fundamental T 1 relaxation limit. Based on this improvement, we demonstrate advanced spin control and a set of quantum sensing protocols to detect radiofrequency signals with sub-Hz resolution. The corresponding sensitivity is benchmarked against that of state-of-the-art NV-diamond quantum sensors. This work lays the foundation for nanoscale sensing using spin defects in an exfoliable material and opens a promising path to quantum sensors and quantum networks integrated into ultra-thin structures.
abstract_unstemmed	Abstract Negatively-charged boron vacancy centers ( $${{V}_{B}}^{-}$$ V B − ) in hexagonal Boron Nitride (hBN) are attracting increasing interest since they represent optically-addressable qubits in a van der Waals material. In particular, these spin defects have shown promise as sensors for temperature, pressure, and static magnetic fields. However, their short spin coherence time limits their scope for quantum technology. Here, we apply dynamical decoupling techniques to suppress magnetic noise and extend the spin coherence time by two orders of magnitude, approaching the fundamental T 1 relaxation limit. Based on this improvement, we demonstrate advanced spin control and a set of quantum sensing protocols to detect radiofrequency signals with sub-Hz resolution. The corresponding sensitivity is benchmarked against that of state-of-the-art NV-diamond quantum sensors. This work lays the foundation for nanoscale sensing using spin defects in an exfoliable material and opens a promising path to quantum sensors and quantum networks integrated into ultra-thin structures.
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title_short	Extending the coherence of spin defects in hBN enables advanced qubit control and quantum sensing
url	https://doi.org/10.1038/s41467-023-40473-w https://doaj.org/article/13c3dba96ee046aca3109a6f87d59e18 https://doaj.org/toc/2041-1723
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author2	Martin Schalk Stephan Mohr Jens C. Hermann Joachim P. Leibold Fleming Bruckmaier Giovanna Salvitti Chenjiang Qian Peirui Ji Georgy V. Astakhov Ulrich Kentsch Manfred Helm Andreas V. Stier Jonathan J. Finley Dominik B. Bucher
author2Str	Martin Schalk Stephan Mohr Jens C. Hermann Joachim P. Leibold Fleming Bruckmaier Giovanna Salvitti Chenjiang Qian Peirui Ji Georgy V. Astakhov Ulrich Kentsch Manfred Helm Andreas V. Stier Jonathan J. Finley Dominik B. Bucher
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Extending the coherence of spin defects in hBN enables advanced qubit control and quantum sensing

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