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Berlin 2012 – scientific programme

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O: Fachverband Oberflächenphysik

O 34: Poster Session I (Graphene; Plasmonics and nanooptics; Coherence and coherent control in nanophotonics and plasmonics)

O 34.53: Poster

Tuesday, March 27, 2012, 18:15–21:45, Poster E

Towards Quantum Plasmonics on a Chip: An Efficient Photon-Plasmon-Coupler for Single-Mode Operation — •Günter Kewes1, Andreas W. Schell1, Rico Henze1, Sven Burger2, and Oliver Benson11Institut für Physik, Humboldt-Universität zu Berlin — 2Konrad-Zuse-Zentrum für Informationstechnik Berlin

Not only the ability of surface plasmon polaritons to guide energy and information below the diffraction limit of light [1] but also their quantum nature [2], hold great potential for highly integrated photonic/plasmonic circuits or on-chip experiments. We numerically investigate and design a photon to plasmon coupler which consists of a tapered dielectric waveguide and a V-shaped metal part, using adaptive finite-element methods. We pay special attention on an easy-to-fabricate approach and focus on single-mode operation since this will simplify quantum plasmonic experiments.

[1] W. L. Barnes et al., "Surface plasmon subwavelength optics", Nature 424, 824-830 (2003) [2] A. V. Akimov et al., "Generation of single optical plasmons in metallic nanowires coupled to quantum dots", Nature 450, 402-406 (2007)

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