Gain-assisted propagation in a plasmonic waveguide at telecom wavelength.
basic_science · Level V
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- Record sourced from PubMed, PMID 19719111.
- Also identified by DOI 10.1021/nl901314u.
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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.