Sub-Hertz resonance by weak measurement

Although the possibility to use weak measurements for metrological purposes has long been known, its practicality and the effective potential advantage are debated. Here, the authors demonstrate a WM-based correlation spectroscopy technique allowing low-frequency fT-level magnetometry at room temper...

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Main Authors: Weizhi Qu, Shenchao Jin, Jian Sun, Liang Jiang, Jianming Wen, Yanhong Xiao
Format: Article
Language:English
Published: Nature Portfolio 2020-04-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-020-15557-6
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author Weizhi Qu
Shenchao Jin
Jian Sun
Liang Jiang
Jianming Wen
Yanhong Xiao
author_facet Weizhi Qu
Shenchao Jin
Jian Sun
Liang Jiang
Jianming Wen
Yanhong Xiao
author_sort Weizhi Qu
collection DOAJ
description Although the possibility to use weak measurements for metrological purposes has long been known, its practicality and the effective potential advantage are debated. Here, the authors demonstrate a WM-based correlation spectroscopy technique allowing low-frequency fT-level magnetometry at room temperature.
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spelling doaj.art-b763a6678f3247f9b8c0f15177241f972022-12-21T19:25:22ZengNature PortfolioNature Communications2041-17232020-04-011111910.1038/s41467-020-15557-6Sub-Hertz resonance by weak measurementWeizhi Qu0Shenchao Jin1Jian Sun2Liang Jiang3Jianming Wen4Yanhong Xiao5Department of Physics, State Key Laboratory of Surface Physics, and Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Fudan UniversityDepartment of Physics, State Key Laboratory of Surface Physics, and Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Fudan UniversityDepartment of Physics, State Key Laboratory of Surface Physics, and Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Fudan UniversityPritzker School of Molecular Engineering, University of ChicagoDepartment of Physics, Kennesaw state UniversityDepartment of Physics, State Key Laboratory of Surface Physics, and Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Fudan UniversityAlthough the possibility to use weak measurements for metrological purposes has long been known, its practicality and the effective potential advantage are debated. Here, the authors demonstrate a WM-based correlation spectroscopy technique allowing low-frequency fT-level magnetometry at room temperature.https://doi.org/10.1038/s41467-020-15557-6
spellingShingle Weizhi Qu
Shenchao Jin
Jian Sun
Liang Jiang
Jianming Wen
Yanhong Xiao
Sub-Hertz resonance by weak measurement
Nature Communications
title Sub-Hertz resonance by weak measurement
title_full Sub-Hertz resonance by weak measurement
title_fullStr Sub-Hertz resonance by weak measurement
title_full_unstemmed Sub-Hertz resonance by weak measurement
title_short Sub-Hertz resonance by weak measurement
title_sort sub hertz resonance by weak measurement
url https://doi.org/10.1038/s41467-020-15557-6
work_keys_str_mv AT weizhiqu subhertzresonancebyweakmeasurement
AT shenchaojin subhertzresonancebyweakmeasurement
AT jiansun subhertzresonancebyweakmeasurement
AT liangjiang subhertzresonancebyweakmeasurement
AT jianmingwen subhertzresonancebyweakmeasurement
AT yanhongxiao subhertzresonancebyweakmeasurement