By optical modulation of the reflectivity of an intracavity nonlinear Fabry–Perot semiconductor mirror, the pulse train from a passively mode-locked picosecond Nd:YVO<sub>4</sub> laser oscillator is synchronized to an independent femtosecond-mode-locked Ti:sapphire laser. We obtain stable synchronized pulse trains at central wavelengths of 1064 and 850 nm, and the Ti:sapphire laser is still independently tunable over a large wavelength range. The tolerable cavity-length difference between the two laser oscillators exceeds 20μ;m .
© 2002 Optical Society of America
W. Seitz, T. R. Schibli, U. Morgner, F. X. Kärtner, C. H. Lange, W. Richter, and B. Braun, "Passive synchronization of two independent laser oscillators with a Fabry-Perot modulator," Opt. Lett. 27, 454-456 (2002)