Regensburg 2013 – wissenschaftliches Programm
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HL: Fachverband Halbleiterphysik
HL 91: Poster Session: Quantum dots and wires: preparation & characterization & optical properties & transport properties
HL 91.23: Poster
Donnerstag, 14. März 2013, 16:00–20:00, Poster A
Quantum emitters in whispering gallery mode resonators — •Assegid Flatae1, Tobias Grossmann1, Torsten Beck1, Thomas Laue2, Halald Fuchs2, and Heinz Kalt1 — 1Institute of Applied Physics, Karlsruhe Institute of Technology (KIT), Wolfgang-Gaede-Str.1. 76131 Karlsruhe, Germany — 2Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1. 76344 Eggenstein-Leopoldshafen.
The high Q-factor and the small modal volume of whispering gallery mode resonators play an important role for the study of the interaction between the cavity mode and quantum emitters (e.g. semiconductor quantum dots (QDs)). We fabricated goblet shaped micro-resonators with high Q-factor of ten million using polymers and standard fabrication techniques. We attach QDs to single and coupled resonators using nanotechnological tools (e.g. dip-pen and fountain-pen nanolithography techniques) for the study of weak coupling (Purcell effect), lasing and possibly strong coupling between the emitters and the cavity photons.