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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 4 — Feb. 15, 2013
  • pp: 395–397

Enhanced light trapping in the silicon substrate with plasmonic Ag nanocones

Wensheng Yan, Nicholas Stokes, Baohua Jia, and Min Gu  »View Author Affiliations

Optics Letters, Vol. 38, Issue 4, pp. 395-397 (2013)

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Ag nanocone enhanced light trapping in the silicon substrate is numerically investigated. For a wide range of the dielectric spacer thickness, the normalized scattering cross section of the rear located particles is higher than that of the front located particles, which is contrary to previous reports. This design not only avoids the conflict with the detrimental Fano effect but is also beneficial to the rear located particles. The fraction of the incident light scattered into silicon is calculated. The path length enhancement is assessed. The Ag nanocone shows highly competitive light-trapping potential.

© 2013 Optical Society of America

OCIS Codes
(350.6050) Other areas of optics : Solar energy
(250.5403) Optoelectronics : Plasmonics

ToC Category:

Original Manuscript: October 19, 2012
Revised Manuscript: December 1, 2012
Manuscript Accepted: December 23, 2012
Published: February 6, 2013

Wensheng Yan, Nicholas Stokes, Baohua Jia, and Min Gu, "Enhanced light trapping in the silicon substrate with plasmonic Ag nanocones," Opt. Lett. 38, 395-397 (2013)

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