Spectroscopy of persistent hole burning in the quantum dot-matrix system: Quantum-confined stark effect and electroabsorption
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A theory of persistent spectral hole burning is developed. Within a simple, exactly solvable model (a cubic potential well with infinitely high walls in a uniform electric field), the energy spectrum and the rate of electron-hole pair generation are determined with due regard for the effect of the field induced in this case owing to the spatial separation of electrons and holes. The dependence of the energy spectrum on the field vector orientation relative to the symmetry axes of a quantum dot is studied. An expression describing the shape of the differential spectrum is derived.
PACS numbers73.21.La 73.22.-f 78.67.-n 61.46.-w
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