Abstract
We have experimentally and theoretically investigated active mode locking of a diode end-pumped Nd:YAG laser in which inhomogeneous broadening to >50 GHz caused by spatial hole burning results in pulsewidth reduction from 40 to 15 ps, and a ~30% increase in the time-bandwidth product. The interaction of the mode-locked pulse with the gain grating formed by spatial hole burning has been included in a successful calculation of the steady-state pulsewidth using coupled wave theory.
© 1995 Optical Society of America
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