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|Title:||Use of a gold reflecting-layer in optical antenna substrates for increase of photoluminescence enhancement|
|Source:||Fernandez-Garcia, R., Rahmani, M., Hong, M., Maier, S.A., Sonnefraud, Y. (2013-05-20). Use of a gold reflecting-layer in optical antenna substrates for increase of photoluminescence enhancement. Optics Express 21 (10) : 12552-12561. ScholarBank@NUS Repository. https://doi.org/10.1364/OE.21.012552|
|Abstract:||We report on a straightforward way to increase the photoluminescence enhancement of nanoemitters induced by optical nanotantennas. The nanoantennas are placed above a gold film-silica bilayer, which produces a drastic increase of the scattered radiation power and near field enhancement. We demonstrate this increase via photoluminescence enhancement using an organic emitter of low quantum efficiency, Tetraphenylporphyrin (TPP). An increase of the photoluminescence enhancement by a factor larger than three is observed compared to antennas without the reflecting-layer. In addition, we study the possibility of influencing the polarization of the light emitted by utilizing asymmetry of dimer antennas. © 2013 Optical Society of America.|
|Source Title:||Optics Express|
|Appears in Collections:||Staff Publications|
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