Surface plasmon mediated emission in resonant-cavity light-emitting diodes

P. A. Porta, M. Harries, H. D. Summers

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

In this letter the authors describe a particular method to outcouple in air, via surface plasmons (SPs), optical radiation trapped in leaky waveguide modes of a resonant-cavity light-emitting diode. The deposition of a thin metal layer on the device surface creates SP modes at both the metal-dielectric interfaces. The successive overcoating of the metal layer with a thin polymer film and the roughening of its surface produce outcoupling of radiation trapped in leaky modes via SP modes. Experimental results for polarization resolved reflectivity and emission spectra are in excellent agreement with theoretical predictions.

Original languageEnglish (US)
Article number121120
JournalApplied Physics Letters
Volume89
Issue number12
DOIs
StatePublished - 2006

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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