We report on pulse energy scaling of a thulium fiber laser mode-locked by nonlinear polarization evolution. By adding a semiconductor saturable absorber to the resonator the pulse energy could be significantly increased. Implementation of normal dispersion fiber led to shorter pulses.
Maria ChernyshevaA. A. KrylovChengbo MouRaz ArifAleksey RozhinMark H. RummelliSergei K. TuritsynE. M. Dianov
Fangzhou TanJiang LiuHuihui LiPu Wang
H. AhmadMuhamad Zharif SamionNorazriena Yusoff