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In summary, we have fabricated high-Q micropillar cavities with circular and elliptical cross section containing CdSe/ZnS quantum dots or rods in the spacer layer. We find a systematically higher Q-factor along the short axis of the elliptical pillar compared to circular ones. The spectral position of the cavity resonances have been calculated by modeling the pillar cavity as a waveguide with an effective...
We demonstrate the strong coupling between a CdSe nanocrystal and a single photon mode of a polymer microsphere. The strong exciton-photon coupling is manifested by the observation of a cavity mode splitting of hOmegaexpap37 mueV.
The phenomenon of cooperative spontaneous emission (Dickepsilas superradiance) is investigated numerically for ensembles of strongly-confined quantum dots coupled to low-Q optical cavities. Clear signatures of superradiance are predicted for emission dynamics and photon statistics.
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