Journal
OPTICS EXPRESS
Volume 29, Issue 18, Pages 29034-29043Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.432637
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Funding
- Ville de Paris (Emergences de la Ville de Paris)
- Conseil regional du Grand Est
- FEDER
- LABEX WIFI [ANR-10-LABX-24, ANR-10-IDEX-0001-02 PSL]
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The study focuses on the characterization of a hybrid dielectric/plasmonic waveguide and experimentally demonstrates the strong directionality of the device. It also highlights the ability of the plasmonic antenna to generate powerful coupling between a single emitter and the waveguide through numerical simulations.
The development of integrated photonic devices has led to important advancements in the field of light-matter interaction at the nanoscale. One of the main focal points is the coupling between single photon emitters and optical waveguides aiming to achieve efficient optical confinement and propagation. In this work, we focus on the characterization of a hybrid dielectric/plasmonic waveguide consisting of a gold triangular nanoantenna placed on top of a TiO2 waveguide. The strong directionality of the device is experimentally demonstrated by comparing the intensity scattered by the nanotriangle to the one scattered by a SNOM tip for different illumination geometries. The ability of the plasmonic antenna to generate powerful coupling between a single emitter and the waveguide will also be highlighted through numerical simulations. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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