Laser spectroscopy of NV- and NV0 colour centres in synthetic diamond

Fraczek, Elisabeth and Savitski, Vasili G. and Dale, Matthew and Breeze, Ben G. and Diggle, Phil and Markham, Matthew and Bennett, Andrew and Dhillon, Harpreet and Newton, Mark E. and Kemp, Alan J. (2017) Laser spectroscopy of NV- and NV0 colour centres in synthetic diamond. Optical Materials Express, 7 (7). pp. 2571-2585. ISSN 2159-3930 (https://doi.org/10.1364/OME.7.002571)

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Abstract

In this paper, we analyse the prospects for using nitrogen-vacancy centre (NV) containing diamond as a laser gain material by measuring its key laser related parameters. Synthetic chemical vapour deposition grown diamond samples with an NV concentration of ~1 ppm have been selected because of their relatively high NV concentration and low background absorption in comparison to other samples available to us. For the samples measured, the luminescence lifetimes of the NV- and NV0 centres were measured to be 8±1 ns and 20±1 ns respectively. The respective peak stimulated emission cross-sections were (3.6±0.1)×10-17 cm2 and (1.7±0.1)×10-17 cm2. These measurements were combined with absorption measurements to calculate the gain spectra for NV- and NV0 for differing inversion levels. Such calculations indicate that gains approaching those required for laser operation may be possible with one of the samples tested and for the NV- centre.

  • Item type:Article
    ID code:60873
    Dates:
    Date
    Event
    1 July 2017
    Published
    7 June 2017
    Accepted
    Notes:© 2017 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.
    Subjects:Science > Physics > Optics. Light
    Department:Faculty of Science > Physics
    Faculty of Science > Physics > Institute of Photonics
    Depositing user: Pure Administrator
    Date deposited:08 Jun 2017 10:55
    Last modified:19 Apr 2024 00:19
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/60873
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