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Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light
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Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light

Published on: July 29, 2013

Anderson cross-localization.

S Stützer1, Y V Kartashov, V A Vysloukh

  • 1Institute of Applied Physics, Friedrich-Schiller-Universität Jena, Jena, Germany.

Optics Letters
|May 26, 2012
PubMed
Summary
This summary is machine-generated.

We observed Anderson localization in optical waveguide arrays. Anisotropic disorder in waveguide separation strongly localized light along both axes, with weaker localization perpendicular to the disorder direction.

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Area of Science:

  • Condensed matter physics
  • Quantum optics
  • Photonics

Background:

  • Anderson localization describes the suppression of wave propagation in disordered media.
  • Optical waveguide arrays are used to simulate complex physical phenomena.
  • Disorder is crucial for observing localization effects.

Purpose of the Study:

  • To investigate Anderson localization in two-dimensional optical waveguide arrays.
  • To study the effect of anisotropic disorder on light localization.
  • To analyze the directional dependence of localization.

Main Methods:

  • Fabrication of two-dimensional optical waveguide arrays.
  • Introduction of uncorrelated disorder in waveguide separation along one axis.
  • Theoretical modeling of wave propagation in disordered arrays.
  • Experimental observation of light localization patterns.

Main Results:

  • Demonstrated Anderson localization in the engineered waveguide arrays.
  • Showcased that anisotropic disorder induces strong localization along both array axes.
  • Quantified that cross-axis localization is weaker than the primary disorder axis.

Conclusions:

  • Anisotropic disorder in waveguide separation is an effective method to control Anderson localization.
  • The findings provide insights into wave localization in lower-dimensional systems.
  • The study bridges theoretical predictions and experimental observations in photonics.