Surface plasmon propagation on overcrossing metallic waveguides fabricated by a pick-and-place method

Plasmonic waveguides can transport light while still confining it beyond the diffraction limit. Recently, crossing plasmonic waveguides have been suggested for the implementation of higher-density optical networks. However, suppressing undesirable scattering at their crossing point is still a challe...

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Bibliographic Details
Published in:MRS communications 2015-12, Vol.5 (4), p.587-591
Main Authors: Nagasaki, Yusuke, Miyata, Masashi, Higuchi, Mai, Takahara, Junichi
Format: Article
Language:English
Subjects:
Biomaterials
Characterization and Evaluation of Materials
Materials Engineering
Materials Science
Metamaterials Research Letter
Nanotechnology
Photonics
Plasmonics
Plasmonics, Photonics, and Metamaterials Research Letters
Polymer Sciences
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Summary:Plasmonic waveguides can transport light while still confining it beyond the diffraction limit. Recently, crossing plasmonic waveguides have been suggested for the implementation of higher-density optical networks. However, suppressing undesirable scattering at their crossing point is still a challenging task because waveguides in these structures are physically connected. Here, we present an experimental demonstration of surface plasmon propagation on an overcrossing metallic waveguide fabricated by a pick-and-place method. By spatially separating the waveguides, the undesirable interaction at the interconnection can be suppressed. Our approach could be a powerful platform to achieve high-density integration of optical waveguides.
ISSN:2159-6859
2159-6867
DOI:10.1557/mrc.2015.80