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Related Experiment Video

Updated: May 12, 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

Self-accelerating beams in photonic crystals.

Ido Kaminer1, Jonathan Nemirovsky, Konstantinos G Makris

  • 1Physics Department and Solid State Institute, Technion, Haifa 32000, Israel.

Optics Express
|April 11, 2013
PubMed
Summary

Researchers discovered self-accelerating optical beams in periodic structures like photonic crystals. These beams maintain their shape while bending significantly, offering new ways to guide light without structural modification.

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Area of Science:

  • Photonics and Optical Physics
  • Materials Science
  • Wave Propagation

Background:

  • Periodic optical systems, including photonic crystals and metamaterials, are crucial for controlling light propagation.
  • Guiding light typically involves modifying the structure of these materials.
  • Non-paraxial beam propagation in structured media presents unique challenges and opportunities.

Purpose of the Study:

  • To identify and characterize accelerating optical beams in general periodic optical systems.
  • To demonstrate that light can be guided by tailoring the input field rather than altering the material structure.
  • To explore the dependence of beam properties on the lattice structure at different scales.

Main Methods:

  • Theoretical analysis of accelerating beam solutions in general periodic optical systems.

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Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
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Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation

Published on: February 25, 2017

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
08:01

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Published on: November 21, 2019

Related Experiment Videos

Last Updated: May 12, 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

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
13:02

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation

Published on: February 25, 2017

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
08:01

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Published on: November 21, 2019

  • Demonstration using a 2D Kronig-Penney separable model.
  • Investigation of beam behavior at small scales (dependent on cell features) and large scales (dependent on periodicity).

    • Main Results:

    • Discovery of self-accelerating beams that maintain their shape while bending to highly non-paraxial angles.
    • These beams follow circular-like trajectories.
    • Beam properties are shown to depend on the crystal lattice structure, with distinct behaviors at micro and macro scales.

    Conclusions:

    • A general methodology for finding accelerating beams in any periodic structure has been established.
    • Tailoring the incoming light field offers a novel method for guiding beams without structural modifications.
    • The findings open new avenues for light manipulation in diverse periodic optical systems.