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Highly synchronous mode-locked picosecond pulses at two wavelengths
Optics Letters
|August 28, 2009
Summary
Picosecond pulses from a stabilized dye laser demonstrated a 2.2 picosecond cross-correlation width. This study quantifies laser output jitter and round-trip time jitter at approximately 0.3 picoseconds.
Area of Science:
- Optics and Photonics
- Laser Physics
- Ultrafast Science
Background:
- Mode-locked dye lasers are crucial for generating ultrashort optical pulses.
- Characterizing pulse width and timing stability is essential for applications in ultrafast science.
- Laser jitter can limit the precision of time-resolved measurements.
Purpose of the Study:
- To measure the cross-correlation width of picosecond pulses from a double-mode-locked dye laser.
- To quantify the timing jitter of the laser output and round-trip time.
- To investigate the impact of laser optimization and stabilization on pulse characteristics.
Main Methods:
- Utilized a double-mode-locked dye laser system.
- Employed cross-correlation measurements to determine pulse widths.
- Optimized and stabilized the laser for improved performance.
- Measured laser output jitter and round-trip time jitter.
Main Results:
- Achieved a cross-correlation width of 2.2 picoseconds for pulses at two wavelengths.
- Deduced laser output jitter to be approximately 0.3 picoseconds.
- Measured round-trip time jitter to be approximately 0.3 picoseconds.
- Observed resolved satellite pulses in some lasing wavelengths.
Conclusions:
- The optimized and stabilized double-mode-locked dye laser produces picosecond pulses with high temporal resolution.
- The measured jitter levels are low, indicating good stability for ultrafast applications.
- The ability to resolve satellite pulses provides further insight into laser dynamics.
