Abstract
A simple linear cavity erbium-doped photonic crystal fiber laser is designed and analyzed. Fiber bragg gratings are used for laser wavelength selection device, erbium-doped photonic crystal fiber is used as gain fiber. Laser performance with different lengths of fiber bragg gratings are demonstrated. Experimental results showed that when the fiber bragg grating length is 4 mm, the output spectrum lines are not good, with serious laser bounce. When the fiber bragg grating length is 40 mm, the threshold power is lower, output laser is stable, but the 3dB bandwidth is about 0.04 nm.
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