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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 8 — Aug. 1, 2007
  • pp: 1968–1980

Enhancement of luminescence efficiency using surface plasmon polaritons: figures of merit

Jacob B. Khurgin, Greg Sun, and Richard A. Soref  »View Author Affiliations

JOSA B, Vol. 24, Issue 8, pp. 1968-1980 (2007)

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We develop a rigorous theory of the enhancement of spontaneous emission from a light-emitting device via coupling the radiant energy in and out of surface plasmon polaritons (SPPs) on the metal-dielectric interface. We show that while the efficiency of coupling into the SPP mode can be quite high, the radiative efficiency of the SPP itself is relatively low, with a substantial fraction of the energy lost in the metal. Using the Ga N Ag system as an example we obtain easy-to-interpret analytical results that unequivocally indicate that using SPP pays off only for emitters that have medium-to-low luminescence efficiency; thus the SPP applications should be limited to those in sensing and analysis rather than in the development of efficient light sources.

© 2007 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Optics at Surfaces

Original Manuscript: December 21, 2006
Manuscript Accepted: April 7, 2007
Published: July 19, 2007

Jacob B. Khurgin, Greg Sun, and Richard A. Soref, "Enhancement of luminescence efficiency using surface plasmon polaritons: figures of merit," J. Opt. Soc. Am. B 24, 1968-1980 (2007)

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