Related Experiment Video
Updated: Mar 11, 2026

Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light
Published on: July 29, 2013
Disorder and dephasing as control knobs for light transport in optical fiber cavity networks
Silvia Viciani1,2, Stefano Gherardini2,3,4, Manuela Lima1,2
1CNR-INO, National Institute of Optics, Largo Fermi 6, I-50125 Firenze, Italy.
Researchers created a controllable optical fiber network to emulate energy transport. They found that tuning noise parameters like disorder and dephasing optimizes transport efficiency, mimicking natural processes for clean energy applications.
Area of Science:
- Physics
- Chemistry
- Biology
- Energy Science
Background:
- Transport phenomena are crucial in diverse scientific fields, including physics, chemistry, and biology.
- Controllable experimental setups are needed to emulate and optimize energy transmission, such as in light harvesting processes.
Purpose of the Study:
- To experimentally build a scalable and controllable transport emulator using optical fiber cavity networks.
- To investigate the role of noise parameters in optimizing transport efficiency and path control.
Main Methods:
- Fabrication of a scalable optical fiber cavity network.
- Fine-tuning of system noise parameters, specifically disorder and dephasing.
- Experimental demonstration of noise-induced interference for optimizing transport paths.
Main Results:
- Demonstrated a controllable transport emulator with tunable noise parameters.
- Showcased that disorder and dephasing noise act as control knobs to optimize transport efficiency.
- Achieved constructive and destructive interference to guide transport towards an exit site.
Conclusions:
- Optical fiber networks provide a versatile platform for emulating complex transport phenomena.
- Noise engineering in these systems can significantly enhance energy transfer efficiency.
- This approach offers a promising route for designing artificial nanoscale structures for efficient clean energy technologies.
Related Concept Videos
Time and frequency -Domain Interpretation of Phase-lag Control
Phase-lag controllers do not place a pole at zero, but instead influence the steady-state error by amplifying any...
Time and frequency -Domain Interpretation of Phase-lead Control
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
Time-Domain Interpretation of PD Control
Consider the example of control of motor torque. Initially, a positive...
Frequency-Domain Interpretation of PD Control
The proportional control gain, combined with the...

