Abstract
The processes of relaxation and dephasing of the electronic state of a nitrogen vacancy (NV) center within the continuum approximation for the spectrum of acoustic phonons in crystalline diamond are studied in this paper. The model of mixing of the excited electronic states of the center and its effect on the Rabi oscil-lations of populations and resonant fluorescence are analyzed. The conditions under which it is possible to implement quantum one-qubit operations both in the spin and charge subspaces of an NV center are formu-lated. The optical properties of elliptical microdisks containing NV centers are simulated and the effect of asymmetry on the spectral characteristics of such microresonators is studied.
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