1.Center for Nanophotonics, FOM Institute AMOLF, c/o Philips Research Laboratories, Eindhoven, The Netherlands
2.Philips Research Laboratories, Eindhoven, The Netherlands
3.Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan
4.COBRA Research Institute, Eindhoven University of Technology, Eindhoven, The Netherlands
Author bio:
Dr G Lozano, Center for Nanophotonics, FOM Institute AMOLF, c/o Philips Research Laboratories, High Tech Campus 4, 5656 AE, Eindhoven, The NetherlandsE-mail: lozano@amolf.nl Email: lozano@amolf.nl
Professor J Gómez-Rivas, Center for Nanophotonics, FOM Institute AMOLF, c/o Philips Research Laboratories, High Tech Campus 4, 5656 AE, Eindhoven, The Netherlands Email: rivas@amolf.nl
Lozano, G. et al. Plasmonics for solid-state lighting: enhanced excitation and directional emission of highly efficient light sources. Light: Science & Applications, 2, e66 (2013).
DOI:
Lozano, G. et al. Plasmonics for solid-state lighting: enhanced excitation and directional emission of highly efficient light sources. Light: Science & Applications, 2, e66 (2013). DOI: 10.1038/lsa.2013.22.
Plasmonics for solid-state lighting: enhanced excitation and directional emission of highly efficient light sources
Light sources based on reliable and energy-efficient light-emitting diodes (LEDs) are instrumental in the development of solid-state lighting (SSL). Most research efforts in SSL have focused on improving both the intrinsic quantum efficiency (QE) and the stability of light emitters. For this reason
it is broadly accepted that with the advent of highly efficient (QE close to 1) and stable emitters
the fundamental research phase of SSL is coming to an end. In this study
we demonstrate a very large improvement in SSL emission (above 70-fold directional enhancement for p-polarized emission and 60-fold enhancement for unpolarized emission) using nanophotonic structures. This is attained by coupling emitters with very high QE to collective plasmonic resonances in periodic arrays of aluminum nanoantennas. Our results open a new path for fundamental and applied research in SSL in which plasmonic nanostructures are able to mold the spectral and angular distribution of the emission with unprecedented precision.
关键词
Keywords
diffractionfluorescenceLEDnanophotonicsplasmonics
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