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Plasmonics for solid-state lighting: enhanced excitation and directional emission of highly efficient light sources

查看全文 作　　者：Gabriel [1]Lozano;Davy J [2]Louwers;Said RK Rodrı´[1]guez;Shunsuke [1,3]Murai;Olaf TA [2]Jansen;Marc A [2]Verschuuren;Jaime Gomez [1,4]Rivas 高影响力作者 机构地区：[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高影响力机构 出　　处：《Light(Science & Applications)》索引2013年第2卷第1期,共7页高影响力期刊 基　　金：This work is part of the research program of the Foundation for Fundamental Research on Matter(FOM),which is financially supported by the Netherlands Organization for Fundamental Research(NWO);It is also part of an industrial partnership program between Philips and FOM.It is supported by NanoNextNL of the Government of the Netherlands and 130 partners. 摘　　要：Light sources based on reliable and energy-efficient light-emitting diodes (LEDs) are instrumental in the development of solid-statelighting (SSL). Most research efforts in SSL have focused on improving both the intrinsic quantum efficiency (QE) and the stability oflight emitters. For this reason, it is broadly accepted that with the advent of highly efficient (QE close to 1) and stable emitters, thefundamental research phase of SSL is coming to an end. In this study, we demonstrate a very large improvement in SSL emission (above70-fold directional enhancement for p-polarized emission and 60-fold enhancement for unpolarized emission) using nanophotonicstructures. This is attained by coupling emitters with very high QE to collective plasmonic resonances in periodic arrays of aluminumnanoantennas. Our results open a new path for fundamental and applied research in SSL in which plasmonic nanostructures are able tomold the spectral and angular distribution of the emission with unprecedented precision. 关 键 词：DIFFRACTION FLUORESCENCE LED NANOPHOTONICS PLASMONICS
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