It is demonstrated that Q-switching dynamics in mode-locked lasers can be controlled by use of an active feedback loop. Analytic design rules for the feedback loop are presented. Suppression of Q-switched mode locking in a diode-pumped, passively mode-locked Nd:YVO4 laser is shown experimentally and numerically.
© 2001 Optical Society of America
T. R. Schibli, U. Morgner, and F. X. Kärtner, "Control of Q-switched mode locking by active feedback," Opt. Lett. 26, 148-150 (2001)