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Experimental investigations on nonlinear dynamics in supercontinuum generation with feedback.
Nicoletta Brauckmann1, Michael Kues, Till Walbaum
1Institute of Applied Physics, Westfälische Wilhelms-Universität, 48149 Münster, Germany. brauckmann@uni-muenster.de
Optics Express
|April 15, 2010
Summary
This study presents a novel nonlinear oscillator for supercontinuum generation using photonic crystal fiber. Researchers observed complex dynamical behaviors, including chaos, by interacting laser pulses within the fiber ring cavity.
Area of Science:
- Nonlinear Optics
- Laser Physics
- Condensed Matter Physics
Background:
- Supercontinuum generation is crucial for various applications.
- Photonic crystal fibers offer unique light-matter interaction properties.
- Ring cavities enable complex nonlinear dynamics.
Purpose of the Study:
- To investigate a supercontinuum generation system acting as a nonlinear oscillator.
- To explore the nonlinear dynamical behavior of such a system.
- To compare experimental observations with numerical simulations.
Main Methods:
- Utilizing a synchronously pumped ring cavity with photonic crystal fiber.
- Implementing femtosecond laser pulses for supercontinuum generation.
- Conducting experimental measurements and numerical simulations.
Main Results:
- Observed steady state, period doubling, and repetition rate multiplication.
- Identified limit cycle and chaotic behavior in the supercontinuum generation.
- Validated experimental findings through numerical simulations.
Conclusions:
- The presented system functions as a robust nonlinear oscillator.
- Complex nonlinear dynamics arise from the interaction of supercontinuum and laser pulses.
- This research provides insights into nonlinear fiber optics and chaotic systems.
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