Laser-related spectroscopic parameters of NV colour centres in diamond

Savitski, V. G. and Fraczek, E. and Dale, M. and Breeze, B. G. and Dziechciarczyk, L. and Diggle, P. and Markham, M. and Bennett, A. and Dhillon, H. and Newton, M. E. and Kemp, A. J.; (2017) Laser-related spectroscopic parameters of NV colour centres in diamond. In: The European Conference on Lasers and Electro-Optics 2017. The Optical Society, DEU. ISBN 978-1-5090-6736-7

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Abstract

One of the most common impurities in synthetic diamond is single substitutional nitrogen, which is incorporated in the diamond lattice substituting a carbon atom [1]. If the nitrogen is adjacent to a vacancy in the diamond lattice, it forms the nitrogen-vacancy (NV) colour centre (CC) [1]. The negatively charged state of this CC, NV-, is particularly well studied since its quantum properties are suitable for applications such as quantum information processing, single-photon sources and optical magnetometry [2]. NV CCs in the neutral state (NV0) are less widely studied. This CC exhibits broadband luminescence at slightly shorter wavelengths than NV-, and hence is also potentially of interest for tuneable and ultrafast visible laser applications. In this report, we present a detailed study of the laser-related spectroscopic properties of a diamond containing NV0 and NV- CCs.

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