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Multi-GHz tunable-repetition-rate mode-locked Nd:GdVO4 laser
Optics Express
|June 6, 2009
Summary
We developed a simple diode-pumped picosecond laser with a tunable repetition rate up to 2.7 GHz. This laser utilizes readily available components and is designed for Schwinger radiation detection experiments.
Area of Science:
- Laser Physics
- Quantum Optics
- Materials Science
Background:
- Picosecond lasers are crucial for high-resolution measurements.
- Tunable repetition rates enhance experimental flexibility.
- Diode-pumping offers efficiency and compactness.
Purpose of the Study:
- To design and demonstrate a simple, tunable multi-GHz picosecond laser.
- To enable experiments detecting Schwinger radiation (dynamical Casimir effect).
Main Methods:
- Utilized a plano-Brewster Nd:GdVO4 crystal in a V-folded cavity.
- Employed passive mode-locking with commercial components.
- Achieved pulse durations of 4.4 picoseconds.
Main Results:
- Demonstrated a multi-GHz tunable-repetition-rate diode-pumped picosecond laser.
- Achieved pulse tunability in the 2.5-2.7 GHz range.
- Successfully integrated readily available commercial components.
Conclusions:
- The developed laser design is simple and effective.
- The laser's performance meets requirements for Schwinger radiation detection.
- This work facilitates advanced experiments in quantum optics.
