Coherent Population Trapping of Single Spins in Diamond Under Optical Excitation

Details Coherent Population Trapping of Single Spins in Diamond Under Optical Excitation Coherent Population Trapping of Single Spins in Diamond Under Optical Excitation

2006-07-21

arxiv.org/abs/quant-ph/0607147v3

Phys. Rev. Lett. 97, 247401 (2006)

Physics

Quantum Physics

minor corrections

Scientific paper

10.1103/PhysRevLett.97.247401

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.

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