Stimulated fluorescence quenching in nitrogen-vacancy centers of diamond: temperature effects.
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Laser-induced fluorescence quenching in nitrogen-vacancy (NV) centers in diamond is studied simultaneously with in situ measurements of the heating-induced shift of the electron spin resonance of NV centers in the presence of a microwave field. These experiments reveal a strong correlation between fluorescence suppression in NV centers and the rise of the local temperature inside the diamond crystal. This finding sheds light on quantum pathways behind stimulated fluorescence quenching in NV centers of diamond and may imply significant limitations on the applications of this effect as a method of superresolving imaging in biological systems.
author list (cited authors)
Blakley, S. M., Fedotov, A. B., Becker, J., Altangerel, N., Fedotov, I. V., Hemmer, P., Scully, M. O., & Zheltikov, A. M.