Fig. 1. Schematic of the dissipative soliton Tm-doped fiber laser.

Fig. 2. Single-pulse operation. (a) Mode-locked spectrum; (b) pulse train, inset: pulse train over 60 μs; (c) the measured autocorrelation trace of the uncompressed output pulse (blue) and the compressed pulse (red); (d) RF spectrum; (e) averaged shot-to-shot spectrum, inset: single-shot spectrum of the 200th round trip; (f) shot-to-shot spectrum with 350 round trips; (g) real-time spectral evolution by DFT.

Fig. 3. Double pulse operation. (a) Spectrum with log and linear coordinates; (b) pulse train; (c) shot-to-shot spectrum over 350 round trips, inset: averaged shot-to-shot spectrum.

Fig. 4. Soliton molecule. (a) Spectrum; (b) pulse train; (c) autocorrelation trace; (d) single-shot spectrum of the 100th round trip; (e) shot-to-shot spectra of 350 round trips.

Fig. 5. Noise-like pulse. (a) Spectrum; (b) pulse train; inset: pulse train over 4 μs; (c) autocorrelation trace; (d) RF spectrum.

Fig. 6. (a)–(d) Mode-locked spectra with different net-cavity GDD; (e)–(h) corresponding autocorrelation traces.