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Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light
09:19

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Published on: July 29, 2013

Light localization in nonuniformly randomized lattices.

Yaroslav V Kartashov1, Vladimir V Konotop, Victor A Vysloukh

  • 1ICFO-Institut de Ciencies Fotoniques, and Universitat Politecnica de Catalunya, Mediterranean Technology Park, Castelldefels (Barcelona), Spain. Yaroslav.Kartashov@icfo.es

Optics Letters
|February 3, 2012
PubMed
Summary
This summary is machine-generated.

We studied how varying disorder affects light localization in optical lattices. Different disorder profiles create unique light confinement and decay patterns, impacting how light behaves in these systems.

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Area of Science:

  • Optics
  • Condensed Matter Physics

Background:

  • Anderson localization describes the confinement of waves in disordered media.
  • Optical lattices are crucial for simulating condensed matter phenomena.

Purpose of the Study:

  • To investigate Anderson localization of light in optical lattices with transversely varying disorder.
  • To understand how different disorder profiles influence light localization and eigenmode properties.

Main Methods:

  • Theoretical analysis of light propagation in disordered optical lattices.
  • Modeling of transversely varying disorder strengths (step-like and smooth).

Main Results:

  • Disorder variation significantly alters preferred domains for localized eigenmodes.
  • Step-like disorder leads to eigenmodes with distinct decay rates on either side of an interface.
  • Smoothly varying disorder results in modes extending in weakly disordered regions and decaying rapidly in strongly disordered ones.

Conclusions:

  • Transverse disorder profiles critically control Anderson localization of light.
  • Tailoring disorder landscapes offers a method to manipulate light confinement in optical lattices.