Abstract
Utilizing the modulation of the refractive index of the fiber Bragg grating based on the arc discharge process, a scheme of the single frequency narrow linewidth distributed feedback (DFB) fiber laser based on the corrugation-pitch-modulated fiber Bragg grating (CPM-FBG) is proposed. The mathematical model and simulation study of the CPM-FBG is established, and the interest of phase shifted fiber Bragg grating (PSFBG) is proved. An on-line CPM-FBG production system is achieved, and the erbium-doped CPM-FBG is formed. A single-frequency narrow linewidth distributed feedback (DFB) fiber laser is realized, and the laser threshold power is 25.4 mW with 3 dB linewidth at 805 Hz and side mode rejection ratio greater than 48.8 dB.
| Original language | English |
|---|---|
| Pages (from-to) | 1647-1651 |
| Number of pages | 5 |
| Journal | Guangdianzi Jiguang/Journal of Optoelectronics Laser |
| Volume | 25 |
| Issue number | 9 |
| State | Published - 15 Sep 2014 |
Keywords
- Arc discharge
- Distributed feedback fiber (DFB) fiber laser
- Fiber optics
- Phase shifted fiber Bragg grating (PSFBG)
- Single frequency narrow linewidth
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