Optical manipulation of single spins in diamond
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abstract
Nitrogen-vacancy centers in diamond typically have spin-conserving optical transitions, a feature which allows for optical detection of the long-lived electronic spin states through fluorescence detection. However, by applying stress to a sample it is possible to obtain spin-nonconserving transitions in which a single excited state couples to multiple ground states. Here we describe two-frequency optical spectroscopy on single nitrogen-vacancy centers in a high-purity diamond sample at low temperature. When stress is applied to the sample it is possible to observe coherent population trapping with a single center. By adjusting the stress it is possible to obtain a situation in which all of the transitions from the three ground sublevels to a common excited state are strongly allowed. These results show that all-optical spin manipulation is possible for this system, and we propose that that by coupling single centers to optical microcavities, a scalable quantum network could be realized for photonic quantum information processing.
name of conference
Advanced Optical and Quantum Memories and Computing IV
Santori, C., Tamarat, P., Neumann, P., Wrachtrup, J., Fattal, D., Beausoleil, R. G., ... Hemmer, P.
citation count
2
complete list of authors
Santori, Charles||Tamarat, Philippe||Neumann, Philipp||Wrachtrup, Jörg||Fattal, David||Beausoleil, Raymond G||Rabeau, James||Olivero, Paolo||Greentree, Andrew D||Prawer, Steven||Jelezko, Fedor||Hemmer, Philip
editor list (cited editors)
Hasan, Z. U., Craig, A. E., Shahriar, S. M., & Coufal, H. J.
