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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 13 — Jul. 1, 2014
  • pp: 3710–3713

Engineering upconversion emission spectra using plasmonic nanocavities

Christopher Lantigua, Sha He, Milad Akhlaghi Bouzan, William Hayenga, Noah J. J. Johnson, Adah Almutairi, and Mercedeh Khajavikhan  »View Author Affiliations


Optics Letters, Vol. 39, Issue 13, pp. 3710-3713 (2014)
http://dx.doi.org/10.1364/OL.39.003710


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Abstract

We show that the upconversion emission spectra of Tm3+ and Yb3+ codoped β-NaYF4NaYF4 core-shell nanoparticles can be judiciously modified by means of plasmonic nanocavities. Our analysis indicates that more than a 30-fold increase in conversion efficiency to the UV spectral band can be expected by engineering the NIR absorption and the local density of states. The effect of the nanocavity on the resulting radiation patterns is discussed. Our results are exemplified in cylindrical cavity geometries.

© 2014 Optical Society of America

OCIS Codes
(190.7220) Nonlinear optics : Upconversion
(240.6680) Optics at surfaces : Surface plasmons
(260.3800) Physical optics : Luminescence
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:
Nonlinear Optics

History
Original Manuscript: April 11, 2014
Revised Manuscript: May 20, 2014
Manuscript Accepted: May 20, 2014
Published: June 16, 2014

Citation
Christopher Lantigua, Sha He, Milad Akhlaghi Bouzan, William Hayenga, Noah J. J. Johnson, Adah Almutairi, and Mercedeh Khajavikhan, "Engineering upconversion emission spectra using plasmonic nanocavities," Opt. Lett. 39, 3710-3713 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-13-3710

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