Micro Lens

The example is an adaption to the single photon source design in Gschrey et al. [1]. The geometry consists of a multi-layer substrate which serves as Bragg mirror and a micro lens on top, a quantum dot is situated within the top layer:

_images/mesh8.png

Schematics of the geometry of a micro lens with Bragg mirror (rotationally symmetric)

Near field and far field plots @ 969\mathrm{nm}

The following figures show near field intensities and far fields of three dipoles with different polarizations for a spherical micro lens (with different scalings of the pseudo color plots):

Intensities of x, y, and z-polarized dipoles (@ 969\mathrm{nm}), spherical micro lens)

intensity_x-pol-spherical

intensity_y-pol-spherical

intensity_z-pol-spherical

Upper far fields (in air) of x, y, and z-polarized dipoles (@ 969\mathrm{nm}), spherical micro lens)

farfield_upper-x-pol-spherical

farfield_upper-y-pol-spherical

farfield_upper-z-pol-spherical

Lower far fields (in substrate) of x, y, and z-polarized dipoles (@ 969\mathrm{nm}), spherical micro lens)

farfield_lower-x-pol-spherical

farfield_lower-y-pol-spherical

farfield_lower-z-pol-spherical

Bibliography