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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 16 — Aug. 3, 2009
  • pp: 13532–13540

Purcell effect of nanoshell dimer on single molecule’s fluorescence

Jiunn-Woei Liaw, Jeng-Hong Chen, Chi-San Chen, and Mao-Kuen Kuo  »View Author Affiliations

Optics Express, Vol. 17, Issue 16, pp. 13532-13540 (2009)

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The Purcell effect of a nanoshell dimer on the fluorescence of a single molecule placed within the dimer’s gap is studied. The numerical results show that the nanoshell dimer acts as an antenna, making the energy transfer from an excited molecule to the dimer more efficient, and as a lowpass filter for the radiation of fluorescence to the far field. Moreover, the enhancement factor of a nanoshell dimer on the fluorescence is much higher than that of a solid Au dimer in the longer-wavelength regime.

© 2009 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(260.2160) Physical optics : Energy transfer
(260.2510) Physical optics : Fluorescence
(260.3910) Physical optics : Metal optics

ToC Category:
Optics at Surfaces

Original Manuscript: June 10, 2009
Revised Manuscript: July 10, 2009
Manuscript Accepted: July 11, 2009
Published: July 22, 2009

Jiunn-Woei Liaw, Jeng-Hong Chen, Chi-San Chen, and Mao-Kuen Kuo, "Purcell effect of nanoshell dimer on single molecule’s fluorescence," Opt. Express 17, 13532-13540 (2009)

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