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Laser-polarization-dependent spontaneous emission of the zero phonon line from single nitrogen-vacancy center in diamond |
| Wuhan Polytechnic University |
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Abstract We investigate spontaneous emission properties and control of the zero phonon line (ZPL) from
a diamond nitrogen-vacancy (NV) center coherently driven by a single elliptically polarized control
field. We use the Schrodinger equation to calculate the probability amplitudes of the wave func-
tion of the coupled system and derive analytical expressions of the spontaneous emission spectra.
The numerical results show that a few interesting phenomena such as enhancement, narrowing,
suppression, and quenching of the ZPL spontaneous emission can be realized by modulating the
polarization-dependent phase, the Zeeman shift and the intensity of the control field in our system.
In the dressed-state picture of the control field, we find that multiple spontaneously generated
coherence arises due to three close-lying states decay to the same state. These results are useful in
real experiments.
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Received: 26 July 2013
Published: 31 October 2013
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| Fund: the National Research Foundation and Ministry of Education, Singapore;Department of Education of Zhejiang province;Shandong Province Science Foundation for Youths |
Cite this article:
Laser-polarization-dependent spontaneous emission of the zero phonon line from single nitrogen-vacancy center in diamond Chin. Phys. B 0
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