“Probing electric-dipole-enabled transitions in the excited state of the nitrogen-vacancy center in diamond”, T. Delord, R. Monge, G.I. Lopez-Morales, O. Bach, C.E. Dreyer, J. Flick, C.A. Meriles, Phys. Rev. Lett. 135, 226401 (2025). Available as arXiv:2405.16280. Learn some more here.