Optical gain in NV- colour centres for highly-sensitive magnetometry : a theoretical study

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Savitski, Vasili (2017) Optical gain in NV- colour centres for highly-sensitive magnetometry : a theoretical study. Journal of Physics D: Applied Physics, 50. p. 475602. ISSN 1361-6463

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Abstract

Optical gain in an amplifier based on NV- colour centres (CC) in diamond is proposed as a new method for optical magnetic field detection. An analytical expression for magnetic field sensitivity with this method is deduced. The sensitivity is highest at the pump intensities about 100 times above the saturation intensity of NV- CC and can reach values of ~1.4 fT/√Hz in a pump-probe configuration with NV- CC concentration in diamond of 2.5 ppm. Collection efficiency of probe emission can be simpler and significantly higher than that of NV- CC luminescence, used for conventional optical magnetometry in diamond. This makes this method attractive for applications requiring remote magnetic field sensing.

ORCID iDs

Savitski, Vasili ORCID logoORCID: https://orcid.org/0000-0001-5261-1186;
  • Item type:Article
    ID code:61906
    Dates:
    Date
    Event
    20 December 2017
    Published
    22 September 2017
    Accepted
    Notes:This is an author-created, un-copyedited version of an article accepted for publication in Journal of Physics D: Applied Physics. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record will be available online at http://iopscience.iop.org/journal/0022-3727
    Subjects:Science > Physics
    Department:Faculty of Science > Physics > Institute of Photonics
    Depositing user: Pure Administrator
    Date deposited:02 Oct 2017 13:15
    Last modified:11 Nov 2024 11:47
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/61906
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