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Optical manipulation of the charge state of nitrogen-vacancy center in diamond
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10.1063/1.4813120
/content/aip/journal/apl/103/1/10.1063/1.4813120
http://aip.metastore.ingenta.com/content/aip/journal/apl/103/1/10.1063/1.4813120
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Schematics of the experimental configuration. PBS: polarizing beamsplitter; DM: long pass dichroic mirrors; LP: long pass filter. (b) Time trace of the fluorescence of a single NV under 589 nm, 0.5  continuous wave laser. The solid blue line indicates the fluorescence level. (c) Histogram of photon counts with 589 nm. The solid lines are Poisson distribution fits.

Image of FIG. 2.
FIG. 2.

(a) and (b) The pulse sequences of lasers for detecting steady charge state and charge state conversion rates, respectively. (c) The wavelength dependence of steady NV proportion. The power of lasers was set below . Results of 532 and 637 nm with power larger than 1 mW are presented for comparison. (d) Power dependence of NV population with 443 and 532 nm laser excitation. (e) and (f) Power dependence of conversion rates for recharge and ionization, respectively. The solid lines are quadratic fits.

Image of FIG. 3.
FIG. 3.

(a) The schemes of charge states conversion. The green solid arrows indicate the two-photon process, while the red dashed arrows indicated the single-photon process, and the wave lines are the fluorescence emissions. (b) The ionization process of 637 nm laser with different initialized electron spin states with and without pulse microwave excitation. (c) The dependence of NV population and fluorescence intensity on the 532 nm laser power. The solid lines are guides for eyes.

Image of FIG. 4.
FIG. 4.

(a)–(d) The impact of magnetic field on the charge state conversion. (a) and (c) present ionization process. (b) and (d) present recharge process. 637 nm laser power is about 185  W, the 532 nm laser power is 50 W, and the 405 nm laser power is about 10  W.

Image of FIG. 5.
FIG. 5.

(a) The magnetic dependence of NV population with 1 mW 532 nm laser. (b) and (c) Histogram of photon number for steady state of 1 mW 532 nm excitation with and without magnetic field. The solid lines are the fitting of two Poisson distributions.

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/content/aip/journal/apl/103/1/10.1063/1.4813120
2013-07-03
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Optical manipulation of the charge state of nitrogen-vacancy center in diamond
http://aip.metastore.ingenta.com/content/aip/journal/apl/103/1/10.1063/1.4813120
10.1063/1.4813120
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