December 16 2014

New Article: Phys. Rev. A 90, 063818 (2014)

Quantum optical master equation for solid-state quantum emitters

Ralf Betzholz, Juan Mauricio Torres, and Marc Bienert
Phys. Rev. A 90, 063818 (2014)

We provide an elementary description of the dynamics of defect centers in crystals in terms of a quantum optical master equation which includes spontaneous decay and a simplified vibronic interaction with lattice phonons. We present the general solution of the dynamical equation by means of the eigensystem of the Liouville operator and exemplify the usage of this damping basis to calculate the dynamics of the electronic and vibrational degrees of freedom and to provide an analysis of the spectra of scattered light. The dynamics and spectral features are discussed with respect to the applicability for color centers, especially for negatively charged nitrogen-vacancy centers in diamond.

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