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.
Original language | English |
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Title of host publication | Advanced Optical and Quantum Memories and Computing IV |
Editors | Zameer U. Hasan, Alan E. Craig, Selim M. Shahriar, Hans J. Coufal |
Place of Publication | Bellingham, USA |
Pages | 1-10 |
Number of pages | 10 |
Volume | 6482 |
DOIs | |
Publication status | Published - 2007 |
Externally published | Yes |
Event | Advanced Optical and Quantum Memories and Computing IV - San Jose, CA, United States Duration: 24 Jan 2007 → 25 Jan 2007 |
Other
Other | Advanced Optical and Quantum Memories and Computing IV |
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Country/Territory | United States |
City | San Jose, CA |
Period | 24/01/07 → 25/01/07 |