Zhengnan Shi, Fengping Yan, Wenguo Han, Luna Zhang. Theoretical Analysis of Self-Similar Pulse Generation in 2 μm Thulium-Doped Fiber Laser[J]. Laser & Optoelectronics Progress, 2020, 57(9): 091401
- Laser & Optoelectronics Progress
- Vol. 57, Issue 9, 091401 (2020)
Fig. 1. Schematic of the thulium-doped mode-locked fiber laser
Fig. 2. Time domain graphs of self-similar pulse. (a) Pulse evolution graph; (b) output monopulse and chirp curve; (c) change of pulse FWHM at different positions in the cavity
Fig. 3. Relationship between Δβ2 and M2
Fig. 4. Shape fitting of laser output pulse
Fig. 5. Effect of L on different parameters of pulse. (a) Peak power of the pulse; (b) FWHM; (c) single pulse energy
Fig. 6. Effect of g0 on different parameters of pulse. (a) Peak power of the pulse; (b) FWHM; (c) single pulse energy
Fig. 7. Chirp curve corresponding to different g0 values
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