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Updated: Jun 21, 2026

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
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Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

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Observation of localized surface plasmons in spatially controlled array structures.

J W Chou1, Kao-Chin Lin, Yao-Jen Lee

  • 1Department of Electrophysics, National Chiao Tung University, Hsinchu 30050, Taiwan.

Nanotechnology
|July 8, 2009
PubMed
Summary
This summary is machine-generated.

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Researchers controlled localized surface plasmon modes in gold-coated silicon nanorod arrays by adjusting lattice constants. Experimental and simulation results showed good agreement, demonstrating spatial control over plasmon behavior.

Area of Science:

  • Plasmonics
  • Nanophotonics
  • Materials Science

Background:

  • Localized surface plasmon resonances (LSPRs) are crucial for nanophotonic applications.
  • Controlling LSPRs spatially is key to designing advanced optical devices.
  • Gold-coated silicon nanorods offer a tunable platform for plasmonic studies.

Purpose of the Study:

  • To investigate the spatial control of localized surface plasmon modes.
  • To explore the relationship between geometric parameters and plasmonic behavior.
  • To validate experimental findings with numerical simulations.

Main Methods:

  • Fabrication of three distinct nano-scale array structures of Au-coated Si nanorods.
  • Measurement of reflectance spectra for each nanostructure.

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Trapping of Micro Particles in Nanoplasmonic Optical Lattice
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Trapping of Micro Particles in Nanoplasmonic Optical Lattice

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Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation
09:29

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Published on: September 27, 2011

Related Experiment Videos

Last Updated: Jun 21, 2026

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
07:39

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Published on: July 21, 2018

Trapping of Micro Particles in Nanoplasmonic Optical Lattice
07:20

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Published on: September 5, 2017

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation
09:29

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Published on: September 27, 2011

  • Two-dimensional numerical simulations using the finite element method (FEM).

    • Main Results:

    • Reflectance spectra trends demonstrated clear spatial control of LSPRs.
    • Lattice constants were identified as a key geometric parameter for tuning plasmon modes.
    • Experimental data showed satisfactory agreement with FEM simulation results.

    Conclusions:

    • Geometric manipulation, specifically lattice constants, enables precise spatial control of plasmon modes in nanorod arrays.
    • The study validates the use of FEM for simulating plasmonic behavior in such nanostructures.
    • This work provides a foundation for designing tailored plasmonic devices.