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Design and Application of Quantum Sensors
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Design and Application of Quantum Sensors

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Physical Sensors".

Deadline for manuscript submissions: 20 November 2024 | Viewed by 6248

Special Issue Editor

Dr. Weijian Chen

E-Mail Website
Guest Editor
Department of Physics, Washington University, St. Louis, MO 63130, USA
Interests: superconducting circuits; photonics; non-Hermitian physics; open quantum systems; quantum sensing

Special Issue Information

Dear Colleagues,

Quantum sensing takes advantage of the unique properties of quantum systems, including quantum squeezing, superposition, and entanglement, to measure various physical quantities, such as magnetic field, electric field, temperature, acceleration, rotation, time, and frequency. Recent advances in quantum state preparation, control, and detection have enabled quantum sensing applications with unprecedented sensitivity and precision. Quantum sensors have been realized in many physical platforms from photons, neutral atoms, trapped ions, and solid-state spins to superconducting circuits and found novel applications in high-resolution magnetic resonance spectroscopy, noise spectroscopy, and dark matter detection, to name a few.

Quantum sensing has demonstrated a quantum advantage over its classical counterpart and is currently a rapidly growing research field. This Special Issue on the “Design and Application of Quantum Sensors” aims to highlight the latest advances of this field and is open to both original research papers and review articles, with particular emphasis on new design and sensing protocols for quantum sensors and their real-world applications.

Dr. Weijian Chen
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • quantum sensors
  • measurement protocols
  • entanglement
  • decoherence
  • magnetic resonance
  • opto-mechanics
  • nitrogen-vacancy center in diamond
  • superconducting qubit
  • noise spectroscopy
  • biomedical imaging

Published Papers (4 papers)

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Research

11 pages, 1759 KiB  
Communication
Photonic Crystal Surface Modes for Trapping and Waveguiding of Ultracold Atoms
by Valery Konopsky
Sensors 2023, 23(21), 8812; https://doi.org/10.3390/s23218812 - 30 Oct 2023
Viewed by 678
Abstract
The design of a photonic system for the trapping and waveguiding of ultracold atoms far above a dielectric surface is proposed and analyzed. The system consists of an optical rib waveguide deposited on a planar one-dimensional photonic crystal, which sustains two wavelengths of [...] Read more.
The design of a photonic system for the trapping and waveguiding of ultracold atoms far above a dielectric surface is proposed and analyzed. The system consists of an optical rib waveguide deposited on a planar one-dimensional photonic crystal, which sustains two wavelengths of photonic crystal surface modes tuned in the red and blue sides relative to the atomic transition of the neutral atom. The addition of a third blue-tuned wavelength to the system allows the neutral atoms to be stabilized in the lateral dimension above the rib waveguide. Trapping atoms at relatively large distances, more than 600 nm above the dielectric surface, allows to reduce the influence of Casimir–Polder forces in this system. The detailed design methodology and specifications of the photonic system are provided. The presented design can be employed in atomic chips and quantum sensors. Full article
(This article belongs to the Special Issue Design and Application of Quantum Sensors)
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13 pages, 5284 KiB  
Article
Accuracy Improvement of a Compact 85Rb Atom Gravimeter by Suppressing Laser Crosstalk and Light Shift
by Guiguo Ge, Xi Chen, Jinting Li, Danfang Zhang, Meng He, Wenzhang Wang, Yang Zhou, Jiaqi Zhong, Biao Tang, Jie Fang, Jin Wang and Mingsheng Zhan
Sensors 2023, 23(13), 6115; https://doi.org/10.3390/s23136115 - 3 Jul 2023
Cited by 4 | Viewed by 1198
Abstract
We design and implement a compact 85Rb atom gravimeter (AG). The diameter of the sensor head is 35 cm and the height is 65 cm; the optical and electronic systems are installed in four standard 3U cabinets. The measurement accuracy of this [...] Read more.
We design and implement a compact 85Rb atom gravimeter (AG). The diameter of the sensor head is 35 cm and the height is 65 cm; the optical and electronic systems are installed in four standard 3U cabinets. The measurement accuracy of this AG is improved by suppress laser crosstalk and light shift. In addition, the angle of the Raman laser reflector is adjusted and locked, and the attitude of the sensing head is automatically adjusted, and the vibration noise is also compensated. The comparison measurement results between this AG and the superconducting gravimeter indicate that its long-term stability is 0.65 μGal @50000 s. Full article
(This article belongs to the Special Issue Design and Application of Quantum Sensors)
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17 pages, 2892 KiB  
Article
An Approach of Vibration Compensation for Atomic Gravimeter under Complex Vibration Environment
by Hao Che, An Li, Zhu Zhou, Wenbin Gong, Jinxiu Ma and Fangjun Qin
Sensors 2023, 23(7), 3535; https://doi.org/10.3390/s23073535 - 28 Mar 2023
Cited by 2 | Viewed by 1517
Abstract
Atomic gravimeter has been more frequently applied under complex and dynamic environments, but its measurement accuracy is seriously hampered by vibration-induced noise. In this case, vibration compensation provides a way to enhance the accuracy of gravity measurements by correcting the phase noise that [...] Read more.
Atomic gravimeter has been more frequently applied under complex and dynamic environments, but its measurement accuracy is seriously hampered by vibration-induced noise. In this case, vibration compensation provides a way to enhance the accuracy of gravity measurements by correcting the phase noise that resulted from the vibration of a Raman reflector, and improving the fitting of an interference fringe. An accurate estimation of the transfer function of vibration between the Raman reflector and the sensor plays a significant role in optimizing the effect of vibration compensation. For this reason, a vibration compensation approach was explored based on EO (equilibrium optimizer) for estimating the transfer function simplified model of a Raman reflector, and it was used to correct the interference fringe of an atomic gravimeter. The test results revealed that this approach greatly restored the actual vibration of the Raman reflector in a complex vibration environment. With a vibration compensation algorithm, it achieved the correction and fitting of the original interference fringe. In general, it dramatically reduced the RMSE (root mean square error) at the time of fitting and significantly improved the residual error in the gravity measurement. Compared with other conventional algorithms, such as GA (genetic algorithm) and PSO (particle swarm optimization), this approach realized a faster convergence and better optimization, so as to ensure more accurate gravity measurements. The study of this vibration compensation approach could provide a reference for the application of an atomic gravimeter in a wider and more complex environment. Full article
(This article belongs to the Special Issue Design and Application of Quantum Sensors)
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9 pages, 5250 KiB  
Communication
A Testing Method for Shipborne Atomic Gravimeter Based on the Modulated Coriolis Effect
by Yin Zhou, Can Zhang, Peijun Chen, Bing Cheng, Dong Zhu, Kainan Wang, Xiaolong Wang, Bin Wu, Zhongkun Qiao, Qiang Lin and Rui Li
Sensors 2023, 23(2), 881; https://doi.org/10.3390/s23020881 - 12 Jan 2023
Cited by 8 | Viewed by 1725
Abstract
Shipborne atomic gravimeter (SAG) is an instrument that can directly measure absolute gravity in dynamic environments. As a new type of gravity sensor, a standard method for evaluating its detailed performance has not been proposed and the detailed performance of SAG was rarely [...] Read more.
Shipborne atomic gravimeter (SAG) is an instrument that can directly measure absolute gravity in dynamic environments. As a new type of gravity sensor, a standard method for evaluating its detailed performance has not been proposed and the detailed performance of SAG was rarely reported. In this paper, a system of dynamic gravity measurement, which was integrated with a home-made atomic gravimeter, is demonstrated, and a novel and simple method for testing the performance of SAG on the lake based on the modulated Coriolis effect is put forward. Firstly, in the state of ship mooring, a tilt modulation of the gravity sensor has been realized to make sure the Raman wave vector is parallel to the gravity axis. Moreover, a comparison between the measurement result of CG-5 and SAG has also been carried out to evaluate the accuracy of the SAG. Then, the Coriolis effect modulating experiment is carried out with various routes on lake to test its performance in dynamic environments. In the ship mooring state, the accuracy has been demonstrated to be 0.643 mGal. The internal consistency reliabilities are evaluated to be 0.8 mGal and 1.2 mGal under the conditions of straight line and circle navigation, respectively. Full article
(This article belongs to the Special Issue Design and Application of Quantum Sensors)
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