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12 September 2019 Luminescence enhancement by collective Mie-resonances
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Abstract
Embedding Ge-quantum dot emitters in Mie resonators leads to an enhancement of their luminescence efficiency due to the Purcell effect. To increase this effect, collective Mie resonances in extended Mie-resonator chains are investigated leading to a partial cancellation of radiation losses and experimentally observed Q-factors of up to 500. The corresponding modes and their field localization are theoretically analysed and traced back to a combination of individual oscillating dipoles.
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V. Rutckaia, V. Talalaev, F. Heyroth, A. Novikov, M. Shaleev, M. Petrov, D. Schulze, and J. Schilling "Luminescence enhancement by collective Mie-resonances", Proc. SPIE 11081, Active Photonic Platforms XI, 1108120 (12 September 2019); https://doi.org/10.1117/12.2528493
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