All-plasmonic modulation via stimulated emission of copropagating surface plasmon polaritons on a substrate with gain.
basic_science · Level V
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- Record sourced from PubMed, PMID 21542632.
- Also identified by DOI 10.1021/nl200255t.
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Abstract
We experimentally demonstrate suppressed absorption and stimulated emission of surface plasmon polaritons (SPP) leading to all-plasmonic modulation of an SPP signal propagating at the interface between a metal and a gain medium; these observations are supported by the developed theory. The use of copropagating signal and control waves can provide more than 10 times more efficient SPP stimulated emission compared to out-of-plane pumping and opens up the possibility to realize integratable plasmonic components for active nanophotonic circuitry.
Medical subject headings
- Aluminum Compounds
- Erbium
- Gold
- Phosphates
- Surface Plasmon Resonance