Abstract
We combine the transfer matrix based algebraic approach with the Green’s function method to theoretically study polarization resolved far-field angular distributions of photoluminescence from quantum nanorods (NRs) embedded in an optically anisotropic film. The emission and excitation properties of NRs are described by the emission and excitation anisotropy tensors. These tensors and the solution of the emission problem expressed in terms of the evolution operators are used to derive the orientationally averaged coherency matrix of the emitted wavefield. For the case of in-plane alignment and unpolarized excitation, we estimate the emission anisotropy parameter and compute the angular profiles for the photoluminescence polarization parameters such as the degree of linear polarization, the Stokes parameter s1, the ellipticity and the polarization azimuth. We show that the alignment order parameter has a profound effect on the angular profiles.
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