title: Numerical analysis of efficient light extraction with an elliptical solid immersion lens.
abstract: We introduce and analyze a design concept based on nonspherical solid immersion lens (SIL) geometry. We find via finite difference time domain (FDTD) simulations that elliptical solid immersion lenses (eSILs) exhibit a notably improved emission directionality compared to the standard SIL design. Large light-collection efficiencies are achieved even for small numerical apertures (NAs). For example, using a NA as low as 0.3, over 65% of the total light emitted by a dipole can be collected.
authors.forename: Andreas W
authors.initials: AW
authors.lastname: Schell
authors.forename: Tanja
authors.initials: T
authors.lastname: Neumer
authors.forename: Oliver
authors.initials: O
authors.lastname: Benson