Analysis of plasmon excited by Metal-Insulator-Metal structure with insulator thickness of hundreds of nanometers

This paper presents the analysis of plasmon excited by Metal-Insulator-Metal (MIM) structure with insulator thickness of hundreds of nanometers. Since the surface plasmons on each metal excited by the electromagnetic waves that enters the MIM structure is coupled to each other, the incident wave is...

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Bibliographic Details
Main Authors: Tamura, Masaya, Kagata, Hiroshi
Format: Conference Proceeding
Language:English
Subjects:
Electromagnetic coupling
Electromagnetic scattering
electromagnetic wave
Filters
Insulation
Metal-insulator structures
negative permittivity
Nonhomogeneous media
plasmon
plasmon-polariton
Plasmons
Resonance
sensor
Surface waves
Wavelength measurement
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Summary:This paper presents the analysis of plasmon excited by Metal-Insulator-Metal (MIM) structure with insulator thickness of hundreds of nanometers. Since the surface plasmons on each metal excited by the electromagnetic waves that enters the MIM structure is coupled to each other, the incident wave is probably absorbed. At that time, the standing wave is generated in the insulator. We explain the principle of the MIM structure by confirming it with an electromagnetic simulator. We also confirm that the surface plasmon resonant wave is changed by the variation of the insulator thickness. Furthermore, the MIM structure's resonant wavelengths are calculated using a multilayer filter approach and shows good agreement with 3D simulation and measurement.
ISSN:0149-645X
2576-7216
DOI:10.1109/MWSYM.2010.5515132