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Kilowatt-level all-fiber burst-mode laser with flexible-tailored temporal configuration
Optics Express
|December 19, 2025
Summary
This study introduces a flexible all-fiber picosecond burst-mode laser system with controllable parameters. The novel laser suppresses nonlinear effects, achieving record 1.04 kW average power for diverse applications.
Area of Science:
- Fiber laser technology
- Nonlinear optics
- High-power laser systems
Background:
- Burst-mode lasers offer customizable pulse packets but lack parameter control.
- Limited controllability over sub-pulse separation and intensity hinders adoption.
Purpose of the Study:
- To develop an all-fiber picosecond burst-mode laser with flexible temporal characteristics.
- To investigate the impact of burst parameters on nonlinear effects for power scaling.
Main Methods:
- Designed an all-fiber picosecond burst-mode laser system.
- Investigated nonlinear effects using multi-stage fiber amplifiers.
- Optimized burst parameters and pre-shaped the envelope.
Main Results:
- Achieved record average power up to 1.04 kW and 10 mJ burst energy.
- Demonstrated suppressed nonlinear effects through parameter optimization.
- Obtained temporally flattened profiles and 47 dB stimulated Raman scattering signal-to-noise ratio.
Conclusions:
- The developed burst-mode laser system offers versatile and superior performance.
- Optimized burst parameters effectively mitigate nonlinear effects for power scaling.
- The system is suitable for precision manufacturing, laser ranging, and optical metrology.
