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Plasmonic nanoantennas can enhance the radiative decay rate of quantum emitters via the Purcell‐effect. Similar to their radiofrequency equivalents, they can also direct the emitted light into preferential directions. In this paper we first investigate plasmonic Yagi‐Uda antennas that are able to confine light to and direct light from subwavelength size volumes. Hence, enhanced transition rates and...
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