Self-starting all-fiber PM Er:laser mode locked by a biased nonlinear amplifying loop mirror Project supported by the National Natural Science Foundation of China (Grant Nos. 61805282, 11802339, and 11504420), the Opening Foundation of State Key Laboratory of High Performance Computing, China (Grant No. 201601-02), the Open Research Fund of Hunan Provincial Key Laboratory of High Energy Technology, China (Grant No. GNJGJS03), the Opening Foundation of State Key Laboratory of Laser Interaction with Matter, China (Grant No. SKLLIM1702), and the China Postdoctoral Innovation Science Foundation (Grant No. BX20180373). |
Peak power evolution of output pulse, showing: 1 exponential growth from noise, 2 damping state, and 3 steady state, with inset showing zoom-in plot of damping state. |