Optical properties of a single-colour centre in diamond with a green zero-phonon line

Details Optical properties of a single-colour centre in diamond with a green zero-phonon line Optical properties of a single-colour centre in diamond with a green zero-phonon line

Apr 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011njph...13d5005s&link_type=abstract

New Journal of Physics, Volume 13, Issue 4, pp. 045005 (2011).

Physics

Scientific paper

We report the photoluminescence characteristics of a colour centre in diamond grown by plasma-assisted chemical vapour deposition. The colour centre emits with a sharp zero-phonon line at 2.330 eV (λ=532 nm) and a lifetime of 3.3 ns, thus offering potential for a high-speed single-photon source with green emission. It displays a vibronic emission spectrum with a Huang-Rhys parameter of 2.48 at 77 K. Hanbury-Brown and Twiss measurements reveal that the electronic level structure of the defect includes a metastable state that can be populated from the optically excited state.

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