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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 12 — Jun. 15, 2013
  • pp: 2153–2155

Highly tunable self-assembled plasmonic lattices through nanosphere lithography

M. Farrokh Baroughi, D. Dachhepati, U. Gautam, K. Bayat, and S. May  »View Author Affiliations


Optics Letters, Vol. 38, Issue 12, pp. 2153-2155 (2013)
http://dx.doi.org/10.1364/OL.38.002153


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Abstract

This Letter reports a method to produce two-dimensional self-assembled plasmonic nanopillar (NP) arrays with independent control of the diameter (d), spacing (s), and height (h) of the NPs. A plasmonic lattice was designed and optimized for maximum plasmonic activity at 980 nm using three-dimensional finite-difference time-domain simulations. The optimized lattice with d=365nm, s=410nm, and h=70nm was fabricated utilizing a self-assembled nanosphere lithography approach. Outstanding agreement between the observed and predicted results confirms the validity of the design process and the controllability and repeatability of the fabrication process. The excellent short-range order in the lattice structure suggests that this method can replace the electron-beam lithography approach in a scalable and cost-effective manner.

© 2013 Optical Society of America

OCIS Codes
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Optoelectronics

History
Original Manuscript: March 28, 2013
Revised Manuscript: May 21, 2013
Manuscript Accepted: May 21, 2013
Published: June 13, 2013

Citation
M. Farrokh Baroughi, D. Dachhepati, U. Gautam, K. Bayat, and S. May, "Highly tunable self-assembled plasmonic lattices through nanosphere lithography," Opt. Lett. 38, 2153-2155 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-12-2153


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