Controlling Spontaneous Emission with Plasmonic Optical Patch Antennas

Cherif Belacel 1 Benjamin Habert 2 Florian Bigourdan 2 François Marquier 2 Jean-Paul Hugonin 2 S. Michaelis de Vasconcelos 3 Xavier Lafosse 3 Laurent Coolen 1 Catherine Schwob 1 Clémentine Javaux 4 Benoit Dubertret 4 Jean-Jacques Greffet 2 Pascale Senellart 3 Agnès Maître 1
1 INSP - Institut des Nanosciences de Paris
2 Laboratoire Charles Fabry / Naphel
LCF - Laboratoire Charles Fabry
3 LPN - Laboratoire de photonique et de nanostructures
4 LPEM - Laboratoire de Physique et d'Etude des Matériaux
Abstract : We experimentally demonstrate the control of the spontaneous emission rate and the radiation pattern of colloidal quantum dots deterministically positioned in a plasmonic patch antenna. The antenna consists of a thin gold microdisk separated from a planar gold layer by a few tens of nanometers thick dielectric layer. The emitters are shown to radiate through the entire patch antenna in a highly directional and vertical radiation pattern. Strong acceleration of spontaneous emission is observed, depending on the antenna geometry. Considering the double dipole structure of the emitters, this corresponds to a Purcell factor up to 80 for dipoles perpendicular to the disk.
Keywords : Plasmonic antenna quantum dot Purcell effect deterministic positioning
Type de document :
Article dans une revue
Nano Letters, American Chemical Society, 2013, 13 (4), pp.1516-1521. 〈10.1021/nl3046602〉
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https://hal-iogs.archives-ouvertes.fr/hal-00821543
Contributeur : Jean-Jacques Greffet <>
Soumis le : vendredi 10 mai 2013 - 16:47:36
Dernière modification le : mardi 24 avril 2018 - 15:32:31

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Cherif Belacel, Benjamin Habert, Florian Bigourdan, François Marquier, Jean-Paul Hugonin, et al.. Controlling Spontaneous Emission with Plasmonic Optical Patch Antennas. Nano Letters, American Chemical Society, 2013, 13 (4), pp.1516-1521. 〈10.1021/nl3046602〉. 〈hal-00821543〉

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