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Related Experiment Video

Updated: May 22, 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

Mechanical active control of surface plasmon properties.

Damien Armand1, Gen Taguchi, Yutaka Kadoya

  • 1CREST, Japan Science and Technology Agency, 5 Sanbancho, Chiyoda-lon, Tokyo, 102-1075 Japan.

Optics Express
|April 27, 2012
PubMed
Summary

We developed a multilayer device to control Surface Plasmon (SP) propagation. Adjusting the inner air gap thickness modifies SP properties by coupling with the Parallel-Plate (PP) mode.

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Area of Science:

  • Physics
  • Materials Science
  • Nanotechnology

Background:

  • Surface Plasmon (SP) propagation is crucial for nanoscale optics and photonics.
  • Controlling SP properties like propagation length and extension is essential for device applications.
  • Existing methods for SP control can be complex or limited in tunability.

Purpose of the Study:

  • To present a novel multilayer device for tunable control of Surface Plasmon propagation.
  • To investigate the effect of inner air gap thickness on SP propagation characteristics.
  • To explore the coupling mechanism between Surface Plasmon and Parallel-Plate modes.

Main Methods:

  • Fabrication of a multilayer device with a variable inner air gap.
  • Experimental characterization of SP propagation properties.
  • Numerical simulations to analyze mode coupling effects.

Main Results:

  • Demonstrated precise control over SP propagation length and extension via air gap modification.
  • Observed strong influence of air gap thickness on SP mode due to coupling with Parallel-Plate (PP) mode.
  • Identified a simple yet effective method for tuning SP behavior.

Conclusions:

  • The proposed multilayer device offers a straightforward approach to engineer SP propagation.
  • The coupling between SP and PP modes provides a powerful mechanism for controlling plasmonic behavior.
  • This work has implications for the design of advanced plasmonic devices and sensors.

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Last Updated: May 22, 2026

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