Passively mode-locked Nd:GGG laser with a semiconductor saturable absorber mirror

Abstract

The mode locking operation of the Nd:GGG crystal with a semiconductor saturable absorber mirror (SESAM) was demonstrated. Continuous wave (CW) mode locking was obtained with the pulse dura tion of 11 ps and the pulse repetition rate of 40.38 MHz. At 7 W of pump power, the maximum average output power of 1.1 W was obtained with the slope efficiency of 18.1%.