title: Microcavities combining a semiconductor with a fused-silica microsphere.
abstract: We report studies of a novel microcavity system that combines a semiconductor quantum well with a fused-silica microsphere. We show that excitonic photoluminescence from the quantum well couples efficiently into whispering-gallery modes. Using a resonant light-scattering technique, we demonstrate that the Q factor of the combined system exceeds 10(5) . Our studies also point to the necessity of using semiconductor nanostructures with a capping layer no more than a few nanometers thick.
authors: Department of Physics and Oregon Center for Optics, University of Oregon, Eugene, Oregon 97403, USA.
authors: X
authors: X
authors: Fan
authors: S
authors: S
authors: Lacey
authors: H
authors: H
authors: Wang