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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 5, Iss. 12 — Sep. 30, 2010

Optical properties of a nanomatch-like plasmonic structure

Xudong Cui, Weihua Zhang, Daniel Erni, and Lixin Dong  »View Author Affiliations


JOSA A, Vol. 27, Issue 8, pp. 1783-1790 (2010)
http://dx.doi.org/10.1364/JOSAA.27.001783


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Abstract

The optical properties of a match-like plasmonic nanostructure are numerically investigated using full-wave finite-difference time-domain analysis in conjunction with dispersive material models. This work is mainly motivated by the developed technique enabling reproducible fabrication of nanomatch structures as well as the growing applications that utilize the localized field enhancement in plasmonic nanostructures. Our research revealed that due to the pronounced field enhancement and larger resonance tunabilities, some nanomatch topologies show potentials for various applications in the field of, e.g., sensing as well as a novel scheme for highly reproducible tips in scanning near field optical microscopy, among others. Despite the additional degrees of freedom that are offered by the composite nature of the proposed nanomatch topology, the paper also reflects on a fundamental complication intrinsic to the material interfaces especially in the nanoscale: stoichiometric mixing. We conclude that the specificity in material modeling will become a significant issue in future research on functionalized composite nanostructures.

© 2010 Optical Society of America

OCIS Codes
(230.0230) Optical devices : Optical devices
(240.6680) Optics at surfaces : Surface plasmons
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Optical Devices

History
Original Manuscript: March 19, 2010
Revised Manuscript: June 8, 2010
Manuscript Accepted: June 11, 2010
Published: July 9, 2010

Virtual Issues
Vol. 5, Iss. 12 Virtual Journal for Biomedical Optics

Citation
Xudong Cui, Weihua Zhang, Daniel Erni, and Lixin Dong, "Optical properties of a nanomatch-like plasmonic structure," J. Opt. Soc. Am. A 27, 1783-1790 (2010)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-27-8-1783


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