We demonstrate that intracavity filtering and soliton formation in actively mode-locked lasers can lead to pulse shortening by as much as a factor of 30. Pulses as short as 310 fs have been generated from a Nd:glass laser that is mode locked only by an acousto-optic modulator.
© 1994 Optical Society of America
Original Manuscript: July 25, 1994
Published: December 15, 1994
D. Kopf, F. X. Kärtner, K. J. Weingarten, and U. Keller, "Pulse shortening in a Nd:glass laser by gain reshaping and soliton formation," Opt. Lett. 19, 2146-2148 (1994)