Spin-manipulated nanoscopy for single nitrogen-vacancy center localizations in nanodiamonds

Barbiero, M, Castelletto, S, Gan, X and Gu, M 2017, 'Spin-manipulated nanoscopy for single nitrogen-vacancy center localizations in nanodiamonds', Light: Science and Applications, vol. 6, no. 11, e17085, pp. 1-7.

Document type: Journal Article
Collection: Journal Articles

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Title Spin-manipulated nanoscopy for single nitrogen-vacancy center localizations in nanodiamonds
Author(s) Barbiero, M
Castelletto, S
Gan, X
Gu, M
Year 2017
Journal name Light: Science and Applications
Volume number 6
Issue number 11
Article Number e17085
Start page 1
End page 7
Total pages 7
Publisher Nature
Abstract Due to their exceptional optical and magnetic properties, negatively charged nitrogen-vacancy (NV -) centers in nanodiamonds (NDs) have been identified as an indispensable tool for imaging, sensing and quantum bit manipulation. The investigation of the emission behaviors of single NV - centers at the nanoscale is of paramount importance and underpins their use in applications ranging from quantum computation to super-resolution imaging. Here, we report on a spin-manipulated nanoscopy method for nanoscale resolutions of the collectively blinking NV - centers confined within the diffraction-limited region. Using wide-field localization microscopy combined with nanoscale spin manipulation and the assistance of a microwave source tuned to the optically detected magnetic resonance (ODMR) frequency, we discovered that two collectively blinking NV - centers can be resolved. Furthermore, when the collective emitters possess the same ground state spin transition frequency, the proposed method allows the resolving of each single NV - center via an external magnetic field used to split the resonant dips. In spin manipulation, the three-level blinking dynamics provide the means to resolve two NV - centers separated by distances of 23 nm. The method presented here offers a new platform for studying and imaging spin-related quantum interactions at the nanoscale with super-resolution techniques.
Subject Nanoscale Characterisation
Keyword(s) Nanodiamonds
Superresolutions methods
DOI - identifier 10.1038/lsa.2017.85
Copyright notice © 2017 The Author(s). This work is licensed under a Creative Commons Attribution 4.0 International License
ISSN 2095-5545
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