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Published on: November 22, 2019
The dissipative Talbot soliton fiber laser
Heze Zhang1, Yueqing Du1, Chao Zeng1
1MOE Key Laboratory of Material Physics and Chemistry Under Extraordinary Conditions, and Key Laboratory of Light Field Manipulation and Information Acquisition, Ministry of Industry and Information Technology, School of Physical Science and Technology, Northwestern Polytechnical University, Xi'an 710129, China.
Researchers demonstrate switchable breathing and stable dissipative Talbot solitons in a fiber laser by manipulating spectral frequencies. This work links the Talbot effect with soliton dynamics, offering new control in optical systems.
Area of Science:
- Nonlinear physics
- Quantum optics
- Laser physics
Background:
- The Talbot effect describes periodic optical field replication, governed by diffraction and dispersion.
- Linking Talbot effect with soliton dynamics in mode-locked lasers is challenging due to disparate conditions.
Purpose of the Study:
- To report switchable breathing and stable dissipative Talbot solitons in a multicolor mode-locked fiber laser.
- To explore the influence of spectral frequency manipulation on laser emission states.
Main Methods:
- Utilizing a multicolor mode-locked fiber laser.
- Manipulating the frequency difference of neighboring spectra.
- Developing a refined Talbot theory incorporating dispersion and nonlinearity.
Main Results:
- Achieved switchable breathing and stable dissipative Talbot solitons.
- Demonstrated that temporal Talbot effect dominates laser emission states.
- Showed that self-imaging distance relative to cavity length dictates breathing or steady states.
Conclusions:
- Established a link between Talbot effect and soliton dynamics in mode-locked lasers.
- Provided a theoretical framework to describe the observed evolution behavior.
- Opened new avenues for controlling dissipative optical systems and nonlinear physics.
