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Related Experiment Video

Updated: Jun 15, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
11:08

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Subwavelength diffraction control and self-imaging in curved plasmonic waveguide arrays.

G Della Valle1, S Longhi

  • 1Dipartimento di Fisica and Istituto di Fotonica e Nanotecnologie del CNR, Politecnico di Milano, Piazza L. da Vinci 32, I-20133 Milano, Italy. giuseppe.dellavalle@polimi.it

Optics Letters
|March 3, 2010
PubMed
Summary

Engineered curved metal-dielectric waveguides manage subwavelength light diffraction. This research demonstrates self-imaging effects through precise control of waveguide bending geometry.

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Area of Science:

  • Optics and Photonics
  • Materials Science

Background:

  • Subwavelength light propagation is crucial for advanced optical devices.
  • Controlling light diffraction in nanoscale structures presents significant challenges.

Purpose of the Study:

  • To investigate subwavelength light propagation in coupled metal-dielectric waveguides.
  • To demonstrate the management of subwavelength diffraction using periodically curved waveguide axes.

Main Methods:

  • Analytical modeling of light propagation.
  • Numerical simulations of wave behavior in engineered structures.

Main Results:

  • Achieved subwavelength diffraction management through waveguide geometry.
  • Observed self-imaging effects in the curved waveguide arrays.

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Last Updated: Jun 15, 2026

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Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
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Published on: July 21, 2018

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  • Validated analytical predictions with numerical results.

    • Conclusions:

    • Periodic curvature engineering offers a method for controlling subwavelength light diffraction.
    • Self-imaging phenomena can be realized in these systems.
    • The findings enable novel designs for subwavelength optical components.