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Updated: Jun 27, 2026

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Published on: September 5, 2017

Tooth-shaped plasmonic waveguide filters with nanometeric sizes.

Xian-Shi Lin¹, Xu-Guang Huang

¹Laboratory of Photonic Information Technology, South China Normal University, Guangzhou, 510006, China.

|November 28, 2008

Summary

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Researchers developed a novel nanometric plasmonic filter using a tooth-shaped waveguide. This ultracompact filter offers wavelength-filtering capabilities, paving the way for highly integrated photonic devices.

Area of Science:

Photonics
Plasmonics
Nanotechnology

Background:

Surface plasmon polariton (SPP) filters are crucial for optical devices.
Existing SPP filters often lack compactness, limiting high integration applications.

Purpose of the Study:

To propose and numerically demonstrate a novel, ultracompact nanometric plasmonic filter.
To investigate the wavelength-filtering characteristics and design parameters of the proposed filter.

Main Methods:

Numerical simulation of a tooth-shaped metal-insulator-metal waveguide.
Development of an analytic model using the scattering matrix method.

Main Results:

The tooth-shaped plasmonic filter exhibits distinct wavelength-filtering properties.

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Last Updated: Jun 27, 2026

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Published on: September 5, 2017

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

Published on: December 11, 2013

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

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The filter achieves an ultracompact size of a few hundred nanometers.

Transmission trough wavelength shows linear and nonlinear dependencies on tooth depth and width, respectively.

Conclusions:

The proposed nanometric plasmonic filter is significantly smaller than traditional grating-like SPP filters.
This novel design enables the development of highly integrated ultracompact photonic filters.