Fig. 1. Fabrication process of Te SA.

Fig. 2. (a) AFM image of Te SA at the scales of 5 µm. (b) The typical height profiles of Te SAs in a larger area. (c) AFM image of Te SAs at the scales of 1 µm. (d) The typical height profiles of Te SAs in a smaller area.

Fig. 3. (a) XRD pattern of Te. (b) Raman spectrum of Te SA. (c) TEM image of Te samples. (d) High-resolution (HR) TEM image of Te samples.

Fig. 4. (a) Normalized transmittance versus z axis at the excitation pulse energy of 100 nJ. (b) The nonlinear transmission versus energy intensity of Te SAs.

Fig. 5. Schematic of the mode-locked laser setup based on Te SA.

Fig. 6. (a) Average output power versus absorbed pump power of the mode-locked solid-state laser. (b) The typical QML pulse trains recorded on different time scales. (c) The typical CWML pulse trains recorded on different time scales. (d) Autocorrelation trace for 5.8 ps duration. Inset, the corresponding spectrum centered at 1064.3 nm.

Table 1. Comparison of 1 µm CWML Laser Characteristics Based on Different SAs