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Nano Lett. 2009 Aug;9(8):2935-9. doi: 10.1021/nl901314u.

Gain-assisted propagation in a plasmonic waveguide at telecom wavelength.

Author information

1
Institut Carnot de Bourgogne, UMR 5209 CNRS et Université de Bourgogne, 21 078 Dijon, France.

Abstract

The spatial confinement of surface plasmon polaritons is a promising route for realizing optical on-board interconnects. However, mode losses increase with the confinement factor. To overcome this road block, we investigate propagation assisted by stimulated emission in a polymer strip-loaded plasmonic waveguide doped with nanocrystals. We achieve 27% increase of the propagation length at telecom wavelength corresponding to a 160 cm(-1) optical gain coefficient. Such a configuration is a step toward integrated plasmonic amplifiers.

PMID:
19719111
DOI:
10.1021/nl901314u

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