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

P. A. Porta | Zendy; Matthew Harries | Zendy; Huw D. Summers | Zendy

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

Author(s) -

P. A. Porta,

Matthew Harries,

Huw D. Summers

Publication year - 2006

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.2357034

Subject(s) - materials science , surface plasmon , optoelectronics , light emitting diode , diode , polarization (electrochemistry) , dielectric , optics , plasmon , metal , radiation , layer (electronics) , resonant cavity , thin film , chemistry , laser , nanotechnology , physics , metallurgy

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.

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