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Single-mode tunable erbium:ytterbium fiber Fabry-Perot microlaser
Optics Letters
|October 22, 2009
Summary
Researchers developed a compact, tunable single-mode fiber laser using novel erbium:ytterbium (Er:Yb) phosphate-glass fiber. This 1535 nm laser features the shortest cavity length reported, enabling wavelength tuning.
Area of Science:
- Optics and Photonics
- Laser Technology
- Materials Science
Background:
- Fiber lasers offer advantages in compactness and robustness.
- Erbium-doped and Ytterbium-codoped (Er:Yb) gain media are crucial for 1550 nm operation.
- Fabry-Perot cavities are fundamental laser resonators.
Purpose of the Study:
- To develop a compact, tunable, single-mode fiber laser.
- To investigate the use of Er:Yb phosphate-glass fiber in a short Fabry-Perot cavity.
- To achieve efficient single-mode lasing at 1535 nm.
Main Methods:
- Utilized a novel combination of high-gain Er:Yb phosphate-glass fiber.
- Implemented a compact fiber Fabry-Perot cavity with a 100-micrometer length.
- Demonstrated wavelength tuning capabilities.
Main Results:
- Achieved single-mode lasing operation at 1535 nm.
- Reported the shortest Er:Yb phosphate-glass fiber Fabry-Perot laser cavity to date (100 micrometers).
- Demonstrated a continuous wavelength tuning range of 4.52 nm.
Conclusions:
- The developed compact fiber laser is highly efficient and tunable.
- The novel Er:Yb phosphate-glass fiber enables short cavity designs for fiber lasers.
- Further research could explore alternative laser designs for enhanced performance.
