Journal
JOURNAL OF APPLIED PHYSICS
Volume 130, Issue 23, Pages -Publisher
AIP Publishing
DOI: 10.1063/5.0072884
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Funding
- Luxembourg National Research Fund [C19/MS/13624497]
- European Commission [964363]
- ERDF Programme [2017-03-022-19]
- Brazilian agency CNPq [429496/2018-4, 305958/2018-6]
- MCTIC, under the Brazil 6G project of the Radiocommunication Reference Center (Centro de Referencia em Radiocomunicacoes -CRR) of the National Institute of Telecommunications (Instituto Nacional de Telecomunicacoes Inatel), Brazil [01245.010604/2020-14]
- Ministry of Science and Higher Education of the Russian Federation, Megagrant Project [075-15-2019-1934]
- Russian Foundation of Basic Research Project [18-29-20113]
- RNP
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Magnetic nanostructures with different optical modes have potential for magnetometry and refractive index probing, but compact devices for industrial application are needed. Emerging trends focus on innovative sensors that can manipulate optical properties using an externally applied magnetic field. Recent advances also explore the use of all-dielectric platforms to overcome losses inherent to metallic components.
Magnetic nanostructures sustaining different types of optical modes have been used for magnetometry and label-free ultrasensitive refractive index probing, where the main challenge is the realization of compact devices that are able to transfer this technology from research laboratories to smart industry. This Perspective discusses the state-of-the-art and emerging trends in realizing innovative sensors containing new architectures and materials exploiting the unique ability to actively manipulate their optical properties using an externally applied magnetic field. In addition to the well-established use of propagating and localized plasmonic fields, in the so-called magnetoplasmonics, we identified a new potential of the all-dielectric platforms for sensing to overcome losses inherent to metallic components. In describing recent advances, emphasis is placed on several feasible industrial applications, trying to give our vision on the future of this promising field of research merging optics, magnetism, and nanotechnology.
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