Singlet levels of the NV${}^{-}$ centre in diamond

Lachlan J. Rogers, Marcus W. Doherty, Michael S. J. Barson +3

The characteristic transition of the NV- centre at 637 nm is between ${}^3{\mathrm{A}}_2$ and ${}^3\mathrm{E}$ triplet states. There are also intermediate ${}^1{\mathrm{A}}_1$ and ${}^…