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Updated: Aug 5, 2026
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Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
Published on: February 28, 2016
900 nm wavelength-tunable all-polarization-maintaining all-fiber mode-locked laser using phase-biased NALM
Optics Letters
|July 31, 2026
Summary
We developed a tunable, all-polarization-maintaining fiber laser operating around 900 nm. This novel dissipative soliton laser offers stable, rectangular pulses for advanced imaging and blue laser applications.
Area of Science:
- Optics and Photonics
- Laser Physics
- Materials Science
Background:
- Mode-locked fiber lasers are crucial for various scientific applications.
- Nd-doped fiber lasers offer unique spectral properties.
- Controlling intracavity loss is key to managing laser output characteristics.
Purpose of the Study:
- To demonstrate a wavelength-tunable, all-polarization-maintaining mode-locked Nd-doped fiber laser.
- To achieve stable operation in the dissipative soliton resonance regime.
- To provide a high-performance light source for applications like two-photon microscopy.
Main Methods:
- Utilized intracavity loss management to tune the laser's central wavelength.
- Suppressed parasitic oscillations at ~1060 nm to ensure stable ~900 nm operation.
- Employed an all-polarization-maintaining fiber design for enhanced stability.
Main Results:
- Achieved a ~900 nm wavelength-tunable laser with a continuous tuning range from 899 nm to 905 nm.
- Generated rectangular pulses with durations tunable from 115 ps to 1430 ps.
- Obtained a maximum single-pulse energy of 1.30 nJ with excellent long-term stability.
Conclusions:
- The developed fiber laser operates effectively in the dissipative soliton resonance regime.
- The all-polarization-maintaining configuration provides environmental robustness.
- This laser is a promising light source for two-photon microscopy and blue laser generation.
