Mode-locking of Nd:YAG laser at 1.064 µm, as well as, Q-switching of Nd:KGW at 1.067 µm and Englass at 1.54 µm lasers with PbS quantum dots doped silicate glasses as saturable absorber are demonstrated. Intensity dependent transmission of PbS doped glasses at 1.064 and 1.54 µm is discussed.

© 2001 Optical Society of America

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