Using the electronic spin of nitrogen-vacancy (NV) centers in diamond is a promising approach to realizing high-precision temperature sensors; furthermore, pulsed optically detected magnetic resonance (pulsed-ODMR) is one way to measure the temperature using these NV centers. However, pulsed-ODMR techniques such as D-Ramsey, thermal echo, or thermal Carr–Purcell–Meiboom–Gill sequences require careful calibration and strict time synchronization to control the microwave (MW) pulses, which complicates their applicability. Continuous-wave ODMR (CW-ODMR) is a more advantageous way to measure temperature with NV centers because it can be implemented simply by continuous application of a green laser and MW radiation. However, CW-ODMR has lower sensitivity than pulsed-ODMR. Therefore, it is important to improve the temperature sensitivity of CW-ODMR techniques. Herein, we thus propose and demonstrate a method for measuring temperature using CW-ODMR with a quantum spin state dressed by a radio-frequency (RF) field under a transverse magnetic field. The use of an RF field is expected to suppress the inhomogeneous broadening resulting from strain and/or electric-field variations. The experimental results confirm that the linewidth is decreased in the proposed scheme when compared to the conventional scheme. In addition, we measured the temperature sensitivity to be about , and this is approximately eight times better than that of the conventional scheme.
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14 January 2023
Research Article|
January 12 2023
Temperature sensing with RF-dressed states of nitrogen-vacancy centers in diamond
Hibiki Tabuchi
;
Hibiki Tabuchi
(Investigation, Writing – original draft)
1
School of Fundamental Science and Technology, Keio University
, Yokohama, Kanagawa 223-8522, Japan
2
Center for Spintronics Research Network, Keio University
, Yokohama, Kanagawa 223-8522, Japan
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Yuichiro Matsuzaki
;
Yuichiro Matsuzaki
a)
(Investigation, Supervision, Writing – review & editing)
3
National Institute of Advanced Industrial Science and Technology (AIST)
, Tsukuba, Ibaraki 305-8568, Japan
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Noboru Furuya
;
Noboru Furuya
(Investigation)
1
School of Fundamental Science and Technology, Keio University
, Yokohama, Kanagawa 223-8522, Japan
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Yuta Nakano
;
Yuta Nakano
(Investigation, Resources)
4
Graduate School of Natural Science and Technology, Kanazawa University
, Kanazawa, Ishikawa 920-1192, Japan
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Hideyuki Watanabe
;
Hideyuki Watanabe
(Investigation, Resources, Writing – review & editing)
3
National Institute of Advanced Industrial Science and Technology (AIST)
, Tsukuba, Ibaraki 305-8568, Japan
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Norio Tokuda
;
Norio Tokuda
(Investigation, Resources, Writing – review & editing)
4
Graduate School of Natural Science and Technology, Kanazawa University
, Kanazawa, Ishikawa 920-1192, Japan
5
Nanomaterials Research Institute, Kanazawa University
, Kanazawa, Ishikawa 920-1192, Japan
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Norikazu Mizuochi
;
Norikazu Mizuochi
(Conceptualization, Writing – review & editing)
6
Institute for Chemical Research, Kyoto University
, Uji, Kyoto 611-0011, Japan
7Center for Spintronics Research Network, Kyoto University, Uji, Kyoto 611-0011, Japan
8International Center for Quantum-field Measurement Systems for Studies of the Universe and Particles (QUP), KEK, Tsukuba, Ibaraki 305-0801, Japan
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Junko Ishi-Hayase
Junko Ishi-Hayase
a)
(Conceptualization, Funding acquisition, Investigation, Project administration, Resources, Supervision, Writing – review & editing)
1
School of Fundamental Science and Technology, Keio University
, Yokohama, Kanagawa 223-8522, Japan
2
Center for Spintronics Research Network, Keio University
, Yokohama, Kanagawa 223-8522, Japan
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J. Appl. Phys. 133, 024401 (2023)
Article history
Received:
October 06 2022
Accepted:
December 24 2022
Citation
Hibiki Tabuchi, Yuichiro Matsuzaki, Noboru Furuya, Yuta Nakano, Hideyuki Watanabe, Norio Tokuda, Norikazu Mizuochi, Junko Ishi-Hayase; Temperature sensing with RF-dressed states of nitrogen-vacancy centers in diamond. J. Appl. Phys. 14 January 2023; 133 (2): 024401. https://doi.org/10.1063/5.0129706
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