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All-fiber mode-locked laser based on microfiber polarizer
Optics Letters
|February 28, 2015
Summary
A new all-fiber mode-locked laser utilizes a novel microfiber polarizer. This compact, cost-effective polarizer offers high polarization extinction, enabling stable picosecond pulse generation.
Area of Science:
- Photonics and Optics
- Materials Science
Background:
- Mode-locked fiber lasers are crucial for various applications.
- Existing polarizers can be complex and expensive.
Purpose of the Study:
- To propose and demonstrate a novel all-fiber mode-locked fiber laser.
- To introduce a new type of microfiber polarizer for laser applications.
Main Methods:
- Fabrication of a microfiber polarizer by overlapping two microfibers.
- Characterization of the microfiber polarizer's birefringence and polarization-selective properties.
- Integration of the microfiber polarizer into an all-fiber mode-locked laser.
Main Results:
- The microfiber polarizer exhibits strong birefringence and high polarization extinction ratio (26 dB).
- The developed laser generates stable pulse sequences with a duration of 2.9 picoseconds.
- The microfiber polarizer offers advantages in fabrication simplicity, cost, bandwidth, and size.
Conclusions:
- The proposed microfiber polarizer is effective for all-fiber mode-locked lasers.
- This technology presents a compact and cost-efficient solution for generating ultrashort pulses.
