Tingting Yang, Hongshan Chen, Heyan Liu, Jingjie Hao, Jinwei Zhang. High-power, few-cycle 2 μm laser pulse generation based on soliton self-compression (Invited)[J]. Infrared and Laser Engineering, 2021, 50(8): 20210355
- Infrared and Laser Engineering
- Vol. 50, Issue 8, 20210355 (2021)
Fig. 1. (a) Experimental setup; HWP: Half-wave plate, TFP: Thin film polarizer, OPA: Gold 90° off-axis parabolic mirror, BS: Beam splitter; (b) Spectrum of the mode-locked pulses; (c) Autocorrelation trace of the mode-locked pulses
Fig. 2. Relationship of achievable pulse durations with average output power and fiber length
Fig. 3. Spectra at different average output powers
Fig. 4. Comparison of input, measured, retrieved and simulated spectrum
Fig. 5. The retrieved and simulated temporal profile
Fig. 6. The pulse duration change of laser pulse at different distances in the PCF
Fig. 7. The measured and retrieved SHG-FROG traces
Fig. 8. (a) Fiber without damage; (b) The fiber was damaged after a long working time
Fig. 9. (a) The simulated spectrum of the pulses with LMA-25 fiber; (b) The simulated pulse temporal profile with LMA-25 fiber
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Table 1. Results of ultrafast laser soliton self-compression
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