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Evolution of localization in frequency for modulated light pulses in a recirculating fiber loop
Shimie Atkins1, Amir Rosen, Alexander Bekker
1Department of Electrical Engineering, Technion--Israel Institute of Technology, Haifa 32000, Israel.
Optics Letters
|December 3, 2003
Summary
We experimentally demonstrated how light pulse frequencies evolve localization. This occurs after repeated phase modulation kicks and propagation through fiber with weak dispersion.
Area of Science:
- Optics and Photonics
- Nonlinear Dynamics
- Quantum Optics
Background:
- Light pulse propagation in optical fibers is fundamental to optical communications.
- Understanding spectral evolution is crucial for managing signal integrity.
- Localization phenomena in wave systems can lead to unique spectral behaviors.
Purpose of the Study:
- To experimentally demonstrate the spectral evolution of light pulses undergoing phase modulation.
- To investigate the phenomenon of frequency localization in a periodically kicked system.
- To analyze the role of weak dispersion in the observed spectral dynamics.
Main Methods:
- Utilizing a long fiber recirculating loop for repeated experimental cycles.
- Applying periodic phase modulation to light pulses.
- Propagating pulses through sections of fiber with weak chromatic dispersion.
- Monitoring spectral changes of the light pulses after each propagation cycle.
Main Results:
- Observed the evolution of frequency localization in light pulses.
- Demonstrated that repeated phase modulation and propagation lead to spectral localization.
- Showcased the influence of weak dispersion on the localization dynamics.
Conclusions:
- The experiment provides a clear demonstration of frequency localization in optical systems.
- The findings contribute to understanding wave dynamics in periodically driven systems with dispersion.
- This work has implications for controlling and manipulating light pulse spectra in optical fiber systems.