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Fluorescent diamond microparticle doped glass fiber for magnetic field sensing

journal contribution
posted on 2024-11-02, 19:44 authored by Dongbi Bai, Philipp ReineckPhilipp Reineck, Andrew GreentreeAndrew Greentree, Brant GibsonBrant Gibson
Diamond containing the nitrogen-vacancy (NV) center is emerging as a significant sensing platform. However, most NV sensors require microscopes to collect the fluorescence signals and therefore are limited to laboratory settings. By embedding micron-scale diamond particles at an annular interface within the cross section of a silicate glass fiber, we demonstrate a robust fiber material capable of sensing magnetic fields. Luminescence spectroscopy and electron spin resonance characterization reveal that the optical properties of NV centers in the diamond microcrystals are well preserved throughout the fiber drawing process. The hybrid fiber presents a low propagation loss of ∼4.0 dB/m in the NV emission spectral window, permitting remote monitoring of the optically detected magnetic resonance signals. We demonstrate NV-spin magnetic resonance readout through 50 cm of fiber. This study paves a way for the scalable fabrication of fiber-based diamond sensors for field-deployable quantum metrology applications.

Funding

Laser threshold sensing

Australian Research Council

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History

Related Materials

  1. 1.
    DOI - Is published in 10.1063/5.0013473
  2. 2.
    ISSN - Is published in 2166532X

Journal

APL Materials

Volume

8

Number

081102

Issue

8

Start page

1

End page

8

Total pages

8

Publisher

American Institute of Physics

Place published

United States

Language

English

Copyright

© 2020 Author(s).

Former Identifier

2006112566

Esploro creation date

2022-03-12

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