Abstract

All-optical active mode locking of a picosecond Nd:YVO<sub>4</sub> laser is demonstrated by use of an intracavity semi­conductor nonlinear Fabry--Perot mirror. The reflectivity of the Fabry--Perot mirror is modulated by optical carrier injection. Depending on the carrier recombination time, the width of the Nd:YVO<sub>4</sub> laser pulses varies from 6 to 20 ps, as is typical for passively mode-locked Nd:YVO<sub>4</sub> lasers.

© 2003 Optical Society of America

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