High energy ultrafast laser generation from a Tm-doped Mamyshev oscillator

Ultrafast fiber lasers, owing to their high peak power and perfect beam quality, have been widely applied in many fields, such as laser sensing, laser processing, optical
communication, and so on. As a result, how to generate stable ultrashort laser pulses is a hot topic. Traditional ultrashort laser pulses are usually obtained through a passive mode-locking technique that exploits an artificial or real saturable absorber, such as nonlinear polarization rotation or SESAM. However, these methods have some
obvious drawbacks, such as environmental sensitivity or a low damaging threshold. What's more, the laser pulse generated through these methods cannot stand up with high nonlinear effects and split. Thus, it is desirable to develop some new techniques to overcome them.