Programmable and reversible plasmon mode engineering

Ankun Yang, Alexander J. Hryn, Marc R. Bourgeois, Won Kyu Lee, Jingtian Hu, George C. Schatz, Teri W. Odom*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

109 Scopus citations


Plasmonic nanostructures with enhanced localized optical fields as well as narrow linewidths have driven advances in numerous applications. However, the active engineering of ultranarrow resonances across the visible regime-and within a single system-has not yet been demonstrated. This paper describes how aluminum nanoparticle arrays embedded in an elastomeric slab may exhibit high-quality resonances with linewidths as narrow as 3 nm at wavelengths not accessible by conventional plasmonic materials. We exploited stretching to improve and tune simultaneously the optical response of as-fabricated nanoparticle arrays by shifting the diffraction mode relative to single-particle dipolar or quadrupolar resonances. This dynamic modulation of particle-particle spacing enabled either dipolar or quadrupolar latticemodes to be selectively accessed and individually optimized. Programmable plasmon modes offer a robust way to achieve real-time tunable materials for plasmon-enhanced molecular sensing and plasmonic nanolasers and opens new possibilities for integrating with flexible electronics.

Original languageEnglish (US)
Pages (from-to)14201-14206
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Issue number50
StatePublished - Dec 13 2016


  • Flexible substrates
  • Lattice plasmons
  • Mode engineering
  • Nanoparticles
  • Plasmonics

ASJC Scopus subject areas

  • General


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