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Title: Magnetic Resonance with Squeezed Microwaves

Abstract

Vacuum fluctuations of the electromagnetic field set a fundamental limit to the sensitivity of a variety of measurements, including magnetic resonance spectroscopy. We report the use of squeezed microwave fields, which are engineered quantum states of light for which fluctuations in one field quadrature are reduced below the vacuum level, to enhance the detection sensitivity of an ensemble of electronic spins at millikelvin temperatures. By shining a squeezed vacuum state on the input port of a microwave resonator containing the spins, we obtain a 1.2-dB noise reduction at the spectrometer output compared to the case of a vacuum input. This result constitutes a proof of principle of the application of quantum metrology to magnetic resonance spectroscopy.

Authors:
; ; ; ; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1399805
Alternate Identifier(s):
OSTI ID: 1421828
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Published Article
Journal Name:
Physical Review X
Additional Journal Information:
Journal Name: Physical Review X Journal Volume: 7 Journal Issue: 4; Journal ID: ISSN 2160-3308
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats

Bienfait, A., Campagne-Ibarcq, P., Kiilerich, A. H., Zhou, X., Probst, S., Pla, J. J., Schenkel, T., Vion, D., Esteve, D., Morton, J. J. L., Moelmer, K., and Bertet, P. Magnetic Resonance with Squeezed Microwaves. United States: N. p., 2017. Web. doi:10.1103/PhysRevX.7.041011.
Bienfait, A., Campagne-Ibarcq, P., Kiilerich, A. H., Zhou, X., Probst, S., Pla, J. J., Schenkel, T., Vion, D., Esteve, D., Morton, J. J. L., Moelmer, K., & Bertet, P. Magnetic Resonance with Squeezed Microwaves. United States. doi:10.1103/PhysRevX.7.041011.
Bienfait, A., Campagne-Ibarcq, P., Kiilerich, A. H., Zhou, X., Probst, S., Pla, J. J., Schenkel, T., Vion, D., Esteve, D., Morton, J. J. L., Moelmer, K., and Bertet, P. Tue . "Magnetic Resonance with Squeezed Microwaves". United States. doi:10.1103/PhysRevX.7.041011.
@article{osti_1399805,
title = {Magnetic Resonance with Squeezed Microwaves},
author = {Bienfait, A. and Campagne-Ibarcq, P. and Kiilerich, A. H. and Zhou, X. and Probst, S. and Pla, J. J. and Schenkel, T. and Vion, D. and Esteve, D. and Morton, J. J. L. and Moelmer, K. and Bertet, P.},
abstractNote = {Vacuum fluctuations of the electromagnetic field set a fundamental limit to the sensitivity of a variety of measurements, including magnetic resonance spectroscopy. We report the use of squeezed microwave fields, which are engineered quantum states of light for which fluctuations in one field quadrature are reduced below the vacuum level, to enhance the detection sensitivity of an ensemble of electronic spins at millikelvin temperatures. By shining a squeezed vacuum state on the input port of a microwave resonator containing the spins, we obtain a 1.2-dB noise reduction at the spectrometer output compared to the case of a vacuum input. This result constitutes a proof of principle of the application of quantum metrology to magnetic resonance spectroscopy.},
doi = {10.1103/PhysRevX.7.041011},
journal = {Physical Review X},
number = 4,
volume = 7,
place = {United States},
year = {2017},
month = {10}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevX.7.041011

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Cited by: 17 works
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