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Mode-locked all-fiber dumbbell-shaped laser based on a nonlinear amplifying optical loop mirror
Applied Optics
|November 10, 2016
Summary
A novel hybrid fiber laser design generated noise-like pulses at 8.85 MHz. This passively mode-locked laser achieved pulse energies of 16.2 and 26.4 nJ from its two output ports.
Area of Science:
- Optics and Photonics
- Laser Physics
- Nonlinear Optics
Background:
- Fiber lasers are crucial for various applications.
- Passively mode-locked lasers offer advantages in pulse generation.
- Hybrid configurations can enhance laser performance.
Purpose of the Study:
- To develop a hybrid passively mode-locked fiber laser.
- To investigate the performance of a dumbbell-shaped fiber laser.
- To explore novel laser configurations for noise-like pulse generation.
Main Methods:
- Utilizing a nonlinear optical loop mirror (NOLM).
- Incorporating a nonlinear amplifying optical fiber-loop mirror (NAOFM).
- Designing a dumbbell-shaped fiber laser cavity.
Main Results:
- Achieved stable noise-like pulse generation.
- Obtained a repetition rate of 8.85 MHz.
- Delivered pulse energies of 16.2 nJ and 26.4 nJ from two output ports.
Conclusions:
- The hybrid laser design is effective for generating high-energy noise-like pulses.
- The dumbbell-shaped cavity and hybrid mirrors enable unique laser dynamics.
- Further investigation into observed phenomena is warranted.
