Optical properties of a nanomatch-like plasmonic structure

Cui, Xudong; Zhang, Weihua; Erni, Daniel; Dong, Lixin (2010). Optical properties of a nanomatch-like plasmonic structure. Journal of the Optical Society of America. A - optics, image science, and vision, 27(8), pp. 1783-90. Washington, D.C.: Optical Society of America 10.1364/JOSAA.27.001783

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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.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Orthopaedic, Plastic and Hand Surgery (DOPH) > Clinic of Plastic and Hand Surgery > Plastic, Reconstructive and Aesthetic Surgery

UniBE Contributor:

Erni, Dominique

ISSN:

1084-7529

Publisher:

Optical Society of America

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 14:10

Last Modified:

04 May 2014 23:05

Publisher DOI:

10.1364/JOSAA.27.001783

PubMed ID:

20686582

Web of Science ID:

000280666900005

URI:

https://boris.unibe.ch/id/eprint/1286 (FactScience: 202642)

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