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|Type:||Artigo de periódico|
|Title:||Polarization-selective excitation of nitrogen vacancy centers in diamond|
|Abstract:||The nitrogen vacancy (NV) center in diamond is promising as an electron spin qubit due to its long-lived coherence and optical addressability. The ground state is a spin triplet with two levels (m(s)=+/- 1) degenerate at zero magnetic field. Polarization-selective microwave excitation is an attractive method to address the spin transitions independently since this allows operation down to zero magnetic field. Using a resonator designed to produce circularly polarized microwaves, we have investigated the polarization selection rules of the NV center. We first apply this technique to NV ensembles in - and -oriented samples. Next, we demonstrate an imaging technique, based on optical polarization dependence, which allows rapid identification of the orientations of many single NV centers. Finally, we test the microwave polarization selection rules of individual NV centers of known orientation.|
|Editor:||Amer Physical Soc|
|Citation:||Physical Review B. Amer Physical Soc, v. 76, n. 16, 2007.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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