Kangdi Niu, Ruyi Sun, Qingyun Chen, Baoyuan Man, Huanian Zhang. Passively mode-locked Er-doped fiber laser based on SnS2 nanosheets as a saturable absorber[J]. Photonics Research, 2018, 6(2): 72
- Photonics Research
- Vol. 6, Issue 2, 72 (2018)
Fig. 1. Preparation process of the SnS 2 - PVA
Fig. 2. (a) SEM image of the SnS 2 SnS 2
Fig. 3. (a) TEM image of the SnS 2
Fig. 4. (a) X-ray diffraction of the SnS 2 SnS 2
Fig. 5. (a) Experimental setup of the Z-scan testing platform. (b) Open-aperture Z-scan curves of the SnS 2 - PVA
Fig. 6. (a) Linear transmission of the SnS 2 - PVA SnS 2 - PVA
Fig. 7. Experimental setup of the mode-locked fiber laser.
Fig. 8. (a) Emission spectrum. (b) Autocorrelation trace.
Fig. 9. (a) Relationships between the average output power and pump power. (b) Pulse train of the mode-locked operation. (c) Radio frequency (RF) spectrum of the mode-locked laser located at 29.33 MHz. (d) RF spectrum with a bandwidth of 300 MHz.
Fig. 10. (a) Emission spectra at different times. (b) Central wavelengths and spectrum widths at different times.
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