Abstract
The light-matter interaction in planar nanostructures with applications in photovoltaic devices is investigated by means of a microscopic quantum-kinetic theory based on the non-equilibrium Green's function formalism. The Dyson and Keldysh equations for the Green's functions of photons are solved numerically. The result is used to couple the optical and electronic degrees of freedom via respective self-energies. The numerical approach for the solution of the optical problem is verified against a standard transfer-matrix formalism and applied to the fluorescent emission of colloidal quantum dots in microresonator cavities and the generation of dark- and photocurrent in ultra-thin-absorber solar cells.
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