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Conferences > EQEC > 2017 > EG_5 > EG_5_4
  • 2017 European Conference on Lasers and Electro-Optics and European Quantum Electronics Conference
  • (Optica Publishing Group, 2017),
  • paper EG_5_4

Purcell Effect and Photoluminescence Emission Enhancement of Individual CdSe/CdS/PMMA Nano Particles Coupled to Metallic Bullseye Resonators

Florian Werschler, Benjamin Lindner, Christopher Hinz, Tjaard de Roo, Stefan Mecking, Denis V. Seletskiy, and Alfred Leitenstorfer

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Abstract

Polymer-capped colloidal semiconductor quantum dots [1] offer a robust material system for time-resolved analysis and individual control of ultrafast charge carrier dynamics [2]. This goal necessitates a strong enhancement of light-matter interaction. In this work we demonstrate an efficient coupling of individual CdSe/CdS/PMMA quantum dots (QDs) to plasmonic resonators formed out of multiple concentric rings patterned in a 280-nm thick gold layer. Such a “bullseye” design allows for efficient manipulation of single QDs into the center of the antenna while imposing no polarization selectivity [3]. As a result, we achieve a dramatic increase of the photoluminescence (PL) emission intensity and the radiative decay rates due to the Purcell effect.

© 2017 IEEE

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