Fig. 1. Schematic setup of the mode-locked fiber laser with NALM.

Fig. 2. Principle diagram of the reflective grating.

Fig. 3. (a) Relation between the incident angle α and the received center wavelength λ at different angle θ. (b) Variation in the filter bandwidth with the distance between the grating and the collimator.

Fig. 4. Output characteristics of the fiber lasers. (a), (b) The output spectrum and the autocorrelation trace at port 1. (c), (d) The output spectrum and the autocorrelation trace at port 2.

Fig. 5. (a) Output power versus pump power. (b) The oscilloscopic pulse train. (c) The RF spectrum of dissipative soliton, 5 MHz span with a 1 Hz resolution bandwidth. (d) The RF spectrum in 2 GHz with a resolution bandwidth of 200 Hz.

Fig. 6. (a) Schematic setup of the external cavity compression. (b) Corresponding autocorrelation trace.

Fig. 7. Typical mode-locked spectral tuning range diagram (1011.80–1065.64 nm).

Fig. 8. (a) The power fluctuations of the laser output. (b) The spectra fluctuations of the laser output.