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Optimization of Plasmonic Nano-Antennas

Published online by Cambridge University Press:  01 February 2011

Ibrahim Kursat Sendur ,
Orkun Karabasoglu ,
Eray Abdurrahman Baran  and
Gullu Kiziltas
Ibrahim Kursat Sendur
Affiliation:
sendur@sabanciuniv.edu, Sabanci University, Mechatronics, Orhanli - Tuzla, Istanbul, 34956, Turkey, +90-216-483-9527, +90-216-483-9550
Orkun Karabasoglu
Affiliation:
karabasoglu@su.sabanciuniv.edu, Sabanci University, Istanbul, 34956, Turkey
Eray Abdurrahman Baran
Affiliation:
eraybaran@su.sabanciuniv.edu, Sabanci University, Istanbul, 34956, Turkey
Gullu Kiziltas
Affiliation:
gkiziltas@sabanciuniv.edu, Sabanci University, Istanbul, 34956, Turkey
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Abstract

Interaction of light with plasmonic nano-antennas is investigated. First, an extensive parametric study is performed on the material and geometrical effects on dipole and bow-tie nano-antennas. The transmission efficiency is studied for various parameters including length, thickness, width, and composition of the antenna as well as the wavelength of incident light. The modeling and simulation of these structures is done using 3-D finite element method based full-wave solutions of Maxwell's equations. Next, a modeling-based automated design optimization framework is developed to optimize nano-antennas. The electromagnetic model is integrated with optimization solvers such as gradient-based optimization tools and genetic algorithms.

Keywords

simulationopticalsensor
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1077: Symposium L – Functional Plasmonics and Nanophotonics , 2008 , 1077-L02-01
Copyright
Copyright © Materials Research Society 2008

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