Author(s): M. K. Bhaskar, D. D. Sukachev, A. Sipahigil, R. E. Evans, M. J. Burek, C. T. Nguyen, L. J. Rogers, P. Siyushev, M. H. Metsch, H. Park, F. Jelezko, M. Lončar, and M. D. Lukin
A diamond color center with a germanium defect has superior optical coherence properties over other color centers, with implications for application.

[Phys. Rev. Lett. 118, 223603] Published Wed May 31, 2017