Figure 7
From: Can silicon carbide serve as a saturable absorber for passive mode-locked fiber lasers?

Performance of the EDFL with a C-rich SixC1−x saturable absorber at various pumping operations.
(a) Optical spectra, (b) temporal pulse and (c) pulse train of the passively mode-locked EDFL with a C-rich SixC1−x saturable absorber at different pumping operations.