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Observation of coupled plasmon-polariton modes of plasmon waveguides for electromagnetic energy transport below the diffraction limit

Published online by Cambridge University Press:  01 February 2011

Stefan A. Maier ,
Pieter G. Kik ,
Mark L. Brongersma ,
Harry A. Atwater ,
Sheffer Meltzer ,
Ari A.G. Requicha  and
Bruce E. Koel
Stefan A. Maier
Affiliation:
Thomas J. Watson Laboratory of Applied Physics, California Institute of Technology, Pasadena, CA 91125, USA
Pieter G. Kik
Affiliation:
Thomas J. Watson Laboratory of Applied Physics, California Institute of Technology, Pasadena, CA 91125, USA
Mark L. Brongersma
Affiliation:
Thomas J. Watson Laboratory of Applied Physics, California Institute of Technology, Pasadena, CA 91125, USA
Harry A. Atwater
Affiliation:
Thomas J. Watson Laboratory of Applied Physics, California Institute of Technology, Pasadena, CA 91125, USA
Sheffer Meltzer
Affiliation:
Laboratory for Molecular Robotics University of Southern California, Los Angeles, CA 90089, USA
Ari A.G. Requicha
Affiliation:
Laboratory for Molecular Robotics University of Southern California, Los Angeles, CA 90089, USA
Bruce E. Koel
Affiliation:
Laboratory for Molecular Robotics University of Southern California, Los Angeles, CA 90089, USA
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Abstract

We study the influence of optical near-field interactions on the dipole surface plasmon resonance of Au nanoparticles in closely spaced particle arrays using finite-difference timedomain simulations. In particular, the resonance energies of the collective plasmon-polariton modes are determined for longitudinal and transverse polarization for different particle array lengths and inter-particle spacings of 50 nm Au spheres in air. The obtained results are set in context with recent publications suggesting the possibility to use ordered arrays of closely spaced noble metal nanoparticles as plasmon waveguides for electromagnetic energy below the diffraction limit of light.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 722: Symposia K/L – Materials and Devices for Optoelectronics and Photonics – Photonic Crystals-From Materials to Devices , 2002 , L6.2
Copyright
Copyright © Materials Research Society 2002

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