Abstract

Self-focusing has recently been used for fast saturable absorber mode locking and femtosecond pulse generation in Ti:Al2O3 lasers. We describe the operation, design, and optimization of self-focusing loss modulators for mode locking. A new formalism is developed that simplifies the treatment of self-focusing in thick nonlinear media by using a simple transform of the complex Gaussian beam parameter. Theoretical predictions are confirmed by experimental measurements.

© 1992 Optical Society of America

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Errata

Wojciech Nasalski, "Aberrationless effects of nonlinear propagation," J. Opt. Soc. Am. B 13, 1736-1747 (1996)
https://www.osapublishing.org/josab/abstract.cfm?uri=josab-13-8-1736

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