1301.6197 (P. Kehayias et al.)

The Infrared Absorption Band and Vibronic Structure of the
Nitrogen-Vacancy Center in Diamond    [PDF]

P. Kehayias, M. W. Doherty, D. English, R. Fischer, A. Jarmola, K. Jensen, N. Leefer, P. Hemmer, N. B. Manson, D. Budker

The negatively charged nitrogen-vacancy (NV$^-$) color center in diamond has generated much interest for use in quantum technology. Despite the progress made in developing their applications, several questions about the basic properties of NV$^-$ centers remain unresolved. In particular, knowledge of the phonon modes of the $^1A_1$ electronic state is key for understanding the optical pumping process. Using pump-probe spectroscopy, we measured the phonon sideband of the ${^1}E\rightarrow{^1}A_1$ electronic transition in the NV$^-$ center. From this we calculated the ${^1}E\rightarrow{^1}A_1$ one-phonon absorption spectrum and found it to differ from that of the ${^3}E\rightarrow{^3}A_2$ transition.

View original: http://arxiv.org/abs/1301.6197