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Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light
Published on: July 29, 2013
Light transport and localization in disordered aperiodic Mathieu lattices.
Adding randomness to complex optical systems enhances light transport, leading to diffusive-like behavior and Anderson localization. Increased disorder further enhances localization, shifting detection thresholds in disordered aperiodic Mathieu lattices.
Area of Science:
- Optics and Photonics
- Condensed Matter Physics
- Disordered Systems
Background:
- Deterministic aperiodic Mathieu lattices can impede light diffraction, similar to randomized systems.
- Understanding the interplay between randomness and complexity in optical systems is crucial.
- Previous studies highlight the role of disorder in light transport phenomena.
Purpose of the Study:
- To systematically investigate the effect of incorporating randomness into complex optical systems.
- To quantify the contribution of randomness to light transport and complexity.
- To explore the relationship between disorder degree and Anderson localization in aperiodic lattices.
Main Methods:
- Development of an experimental method for creating disordered aperiodic Mathieu lattices.
- Numerical control over the degree of disorder introduced into the optical system.
- Measurement of light transport properties as a function of disorder.
Main Results:
- Incorporating disorder consistently enhances light transport in aperiodic Mathieu lattices.
- Diffusive-like transport observed at lower disorder degrees, transitioning to Anderson localization at higher degrees.
- Increased disorder leads to decreased light transport and localization length, indicating more pronounced Anderson localization.
Conclusions:
- Randomness plays a significant role in enhancing light transport and inducing Anderson localization in complex optical systems.
- The experimental method allows for controlled investigation of disorder effects.
- Numerical simulations suggest a shift in the Anderson localization detection threshold towards lower disorder degrees at longer propagation distances.
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