Since its inception as the cornerstone of the ultrafast pulse laser, semiconductor saturable absorber mirrors (SESAMs) have attracted considerable interest as the kernel of an ultrafast fiber laser system. Meanwhile, low-dimensional (LD) materials based saturable absorbers (SAs) are gaining...

Since its inception as the cornerstone of the ultrafast pulse laser, semiconductor saturable absorber mirrors (SESAMs) have attracted considerable interest as the kernel of an ultrafast fiber laser system. Meanwhile, low-dimensional (LD) materials based saturable absorbers (SAs) are gaining...