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Jitter analysis of timing-distribution and remote-laser synchronization systems
Optics Express
|September 24, 2016
Summary
We developed a new jitter analysis method for laser synchronization systems. This method accurately measures laser jitter, even over long distances, with the slave laser being the primary noise source.
Area of Science:
- Physics
- Optical Engineering
- Metrology
Background:
- Precise timing is crucial for advanced scientific systems.
- Existing jitter analysis methods struggle with remote synchronization challenges.
Purpose of the Study:
- To introduce a novel jitter analysis method for timing-distribution and remote-laser synchronization.
- To quantify jitter in master-slave laser synchronization setups, both locally and remotely.
Main Methods:
- Developed a feedback-based jitter analysis technique.
- Implemented master-slave synchronization of mode-locked lasers over a fiber link.
- Utilized a comprehensive feedback model for noise source identification.
Main Results:
- Local synchronization revealed slave laser jitter of 2.1 fs RMS (>20 kHz).
- Remote synchronization showed out-of-loop jitter of 8.55 fs RMS (1 Hz - 1 MHz).
- The feedback model accurately predicted experimental results, identifying seven noise sources.
Conclusions:
- The slave laser's intrinsic jitter (8.19 fs RMS) is the dominant noise source.
- The developed method provides accurate jitter analysis for remote laser synchronization.
- This technique enhances the performance and reliability of timing-distribution systems.
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