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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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Trapping light in plasmonic waveguides.

Junghyun Park1, Kyoung-Youm Kim, Il-Min Lee

  • 1National Creative Research Center for Active Plasmonics Application Systems, Inter-University Semiconductor Research Center and School of Electrical Engineering, Seoul National University, Seoul, Korea.

Optics Express
|February 23, 2010
PubMed
Summary
This summary is machine-generated.

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Light trapping in plasmonic waveguides (metal-insulator-metal and insulator-metal-insulator) is analyzed. Specific conditions on material properties and waveguide geometry enable efficient light confinement, crucial for nanophotonic devices.

Area of Science:

  • Plasmonics
  • Nanophotonics
  • Waveguide Optics

Background:

  • Plasmonic waveguides offer unique light confinement properties.
  • Understanding light trapping is key for designing advanced optical devices.

Purpose of the Study:

  • To investigate light trapping phenomena in metal-insulator-metal (MIM) and insulator-metal-insulator (IMI) plasmonic waveguides.
  • To classify guided modes based on geometrical symmetry and analyze their light trapping conditions.

Main Methods:

  • Theoretical analysis of light propagation in MIM and IMI waveguides.
  • Classification of guided modes into anti-symmetric and symmetric types.
  • Definition of a parameter rho = -epsilon(m)/epsilon(d) for lossless cases.

Main Results:

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Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment
09:13

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

Published on: April 4, 2017

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Last Updated: Jun 16, 2026

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

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment
09:13

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

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  • Light trapping occurs for anti-symmetric modes in MIM waveguides (1 < rho < 1.28).
  • Light trapping occurs for symmetric modes in MIM waveguides (rho << 1) and IMI waveguides (rho < 1).
  • Conditions for light trapping are linked to field distributions within the waveguide core and cladding.

Conclusions:

  • The study provides specific criteria for achieving light trapping in plasmonic waveguides.
  • Mode properties, including supported modes and cutoff core width, are presented for practical applications.