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American Physical Society, Physical Review Letters, 24(97)

DOI: 10.1103/physrevlett.97.247401

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Coherent Population Trapping of Single Spins in Diamond Under Optical Excitation

Journal article published in 2006 by Charles Santori, Philippe Tamarat, Philipp Neumann, Jorg Wrachtrup, David Fattal, Raymond G. Beausoleil, James Rabeau, Paolo Olivero ORCID, Andrew D. Greentree, Steven Prawer, Fedor Jelezko, Philip Hemmer
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This paper is available in a repository.

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Abstract

Coherent population trapping is demonstrated in single nitrogen-vacancy centers in diamond under optical excitation. For sufficient excitation power, the fluorescence intensity drops almost to the background level when the laser modulation frequency matches the 2.88 GHz splitting of the ground states. The results are well described theoretically by a four-level model, allowing the relative transition strengths to be determined for individual centers. The results show that all-optical control of single spins is possible in diamond. ; Comment: minor corrections