publication . Article . Other literature type . 2012

Dark state photophysics of nitrogen-vacancy centres in diamond

Han, K.; Wildanger, D.; Rittweger, E.; Meijer, J.; Pezzagna, S.; Hell, S.; Eggeling, C.;
English
  • Published: 04 Dec 2012 Journal: New Journal of Physics, volume 14, issue 12 (issn: 1367-2630, eissn: 1367-2630, Copyright policy)
  • Country: United Kingdom
Abstract
Nitrogen-vacancy (NV) colour centres in diamond are attractive fluorescence emitters owing to their unprecedented photostability and superior applicability to spin manipulation and sub-diffraction far-field optical microscopy. However, some applications are limited by the co-occurrence of dark state population and optical excitation. In this paper, we use fluorescence microscopy and correlation spectroscopy on single negatively charged NV centres in type IIa bulk diamond to unravel the population kinetics of a >100 s long-lived dark state. The bright-dark state interconversion rates show a quadratic dependence on the applied laser intensity, which implies that h...
Subjects
free text keywords: General Physics and Astronomy, Dark state, Optical microscope, law.invention, law, Excitation, Vacancy defect, Excited state, Diamond, engineering.material, engineering, Fluorescence, Population, education.field_of_study, education, Physics, Atomic physics
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